320C FOREST MACHINE ELECTRICAL SCHEMATIC USED IN SERVICE MANUAL RENR3860

©
2000 Caterpillar
All Rights Reserved
Printed in U.S.A.
RENR3866
October2000
320C Forest Swing Machine
Electrical Schematic
BGB1-UP
BKK1-UP
Connector Location
Connector Number
Schematic
Location
Machine
Location
CONN 1 ET CONN J-11 E
CONN 2 G-9 E
CONN 3 G-9 E
CONN 4 G-8 E
CONN 5 G-8 E
CONN 6 G-7 E
CONN 7 G-7 E
CONN 8 D-6 A
CONN 9 J-6,H-6 D
CONN 10 G-6 D
CONN 11 J-5 A
CONN 12 H-5 59
CONN 13 F-5 A
CONN 14 F-4 43
CONN 15 F-4 10
CONN 16 H-3 52
CONN 17 H-3 53
CONN 18 B-2 7
CONN 19 C-3 59
CONN 20 C-3 A
CONN 21 C-3 D
CONN 22 E-2 D
CONN 23 H-2 D
CONN 24 H-2 61
CONN 25 G-1 D
The connectors shown in this chart are for harness to harness connectors.
Connectors that join a harness to a component are generally located at or near the
component. See the Component Location Chart.
Related Electrical Service Manuals
Form Number
Engine/Pump Control:
RENR3814
Valve Control Tool:
RENR3823
Title
Resistor, Sender and Solenoid Specifications
Part No. Component Description Resistance (Ohms)¹
20824-25451 @ 0 °C (32 °F)
6134-7496 @ 25 °C (77 °F)
3989-4875 @ 35 °C (95 °F)
4I-5394 Sender: Hydraulic Oil Temperature 2224-2718 @ 50 °C (122 °F)
973-1189 @ 75 °C (167 °F)
475-522 @ 100 °C (212 °F)
221-269 @ 125 °C (257 °F)
102-8016 Resistor: Backup 47.0 ± 2.35
107-7056 Solenoid: Fine Swing 34 ± .5 @ °C (68 °F)
¹ At room temperature unless otherwise noted.
Wire Description
Wire
Number
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Distribution Circuits Accessory Circuits (continued)
101 RD Bat (+) A582 PU Wiper Motor Stop
103 RD Aux Ckt A583 YL Power Window Interlock To Wiper Cont
105 RD Key Start Sw A584 BU ront Window Limit SW To Wiper Cont
109 RD Alt Output (+) Term. A586 OR Wiper SW To Wiper Cont
110 RD Timer Relay A587 YL Power Window Cont To Safety Sol Relay
112 PU Main Power Rly Output A588 GN Safety Sol Relay To Sol
113 OR Opr Mon Panel B (+) Switched C537 GN A/C Photo Sensor + Sig
114 GN Warning Horn (Forward) C538 OR A/C Photo Sensor - Sig
115 PK Aux Ckt C560 OR
118 GY Aux Ckt C566 PK
120 YL Aux Ckt C569 YL Atch 12V 7A Socket
123 WH Seat Heater E554 PK A/C Clutch Solenoid
124 GN A/C Lighting Circuits
129 RD Aux Ckt 607 PK Flood Lamps - Front
130 BU Atch Valve Control 615 YL Cab Flood Lamp/Rops
135 BU Aux Ckt 616 BU Boom Flood Lamp
147 PU Aux Ckt 645 RD Boom Lamp Relay
149 PU Aux Ckt 646 RD Chassis Lamp Relay
150 RD Bat (+) 684 RD Cab Lamp Relay
151 GN Aux Ckt Control Circuits
152 BU Aux Ckt 763 BU Torque Converter Sw
154 RD Aux Ckt 780 PU Atch Quick Coupler
160 PU Chassis Lamp 788 YL Engine Speed (+)
168 RD Aux Ckt A718 PU Start Aid Coolant Sensor Signal
169 PK Backup/Monitor Control A755 PK Throttle Sw #1
175
PK
Aux Ckt
A756
BU
179 BU 12V 7A Convertor A757 GY Throttle Sw #3
180 GN Aux Ckt A758 BR Throttle Sw #4
184 RD Eng/Pump Control A761 PU Electronic Pump Cont Throttle Ground
189 RD Aux Ckt A762 PU Elec Pump Cont Eng Speed Ground
191 WH Aux Ckt A768 BU Pump Control Valve #1 (+)
Ground Circuits A769 GY Pump Control Valve #2 (-)
200 BK Main Chassis A770 PK Elec Pump Cont Bypass Sw
201 BK Operator Monitor Return F773 OR Governor Accel
235 BK Electronic Pump Ctrl Gnd F774 WH Governor Decel
Basic Machine Circuits J703 PK Alt Pulse Sig To Anti-Start Relay
304 WH Starter Relay No. 1 Output K776 GN Start Cont Relay
306 GN Starter Relay Coil To Neut Start SW Or M728 WH Flow Limit Press PRV
307 OR Key Start SW To Neutral Start SW Or M729 OR Primary NFC Press PRV
308 YL Main Power Relay Coil M730 YL PRV Return (1)
310 PU Start Aid SW To Start Aid Sol M731 PK Travel Straight Sol
320 RD Horn Relay Coil To SW M732 GY Travel Alarm Cancel SW
M733 PU AEC Mode SW
321 BR Backup Alarm Lamp Travel Alarm M734 BR Travel Mode SW
322 GY Warning Horn (Forward) M736 BU Governor Comand/Backup SW
323 WH Atch Refueling Pump/Relay 877 YL Glow Plug Magnetic SW To Glow Plug
325 PK Atch Refueling Stop Sw 892 BR Cat Data Link (-)
326 RD Key SW "C" Term 893 GR Cat Data Link (+)
329 YL Atch Refueling Stop Relay/Power Relay K841 BR Stem1 Extend SW
330 YL Neutral Start Relay Coil K842 BU Stem2 Extend SW
365 YL Refueling Relays K843 GN Stem3 Extend SW
Monitoring Circuits K844 GY Stem4 Extend SW
403 GN Alternator (R) Term. K845 OR Stem1 Retract SW
405 GY Opr Mon Oil Press. (Low Setting) K846 PK Stem2 Retract SW
410 WH Action Alarm K847 PU Stem3 Retract SW
412 BU Operator Monitor Cool Flow K848 WH Stem4 Retract SW
430 BU Operator Monitor Air Filter K849 YL Atch Stem1 Swing Cancel
487 OR Hydraulic Filter SW K850 BR Atch Stem2 Swing Cancel
491 PK Hydraulic Oil Temp Sensor K851 BU Atch Stem3 Swing Cancel
492 GY Coolant Temp Sensor Signal K852 GN Atch Stem4 Swing Cancel
495 GN Fuel Level K853 GY Pump1 F1 Flow Cont PRV
496 WH Operator Monitor Panel Hyd Oil Level K854 OR Pump2 F1 Flow Cont PRV
C468 BU Engine oIl Level K855 PK Separate Valve PRV
E465 GN Travel Alarm Cancel K856 PU ATT Stem1 Cont PRV (A)
E466 BU AEC Mode Indicator K857 WH ATT Stem2 Cont PRV (A)
E467 WH Travel Mode Indicator K858 YL ATT Stem3 Cont PRV (A)
E469 YL Tool Press Sensor K859 BR ATT Stem4 Cont PRV (A)
E470 BR Negative Cont Press Sensor 1 K860 BU ATT Stem1 Cont PRV (B)
E471 BU Negative Cont Press Sensor 2 K861 GN ATT Stem2 Cont PRV (B)
E472 GN 12V Supply K862 GY ATT Stem3 Cont PRV (B)
E473 GY Att Stem1 Modulation K863 OR ATT Stem4 Cont PRV (B)
E474 GN Att Stem2 Modulation K864 PK ATT1 Relief PRV
E474 OR Travel Right Press SW K865 PU ATT2 Relief PRV
E475 BU Travel Left Press SW K866 WH 1Way/2Way Cont Sol
E475 PK Att Stem3 Modulation K867 YL PRV Return (1)
E476 PU Att Stem4 Modulation K868 BR Sol Gnd2
E476 WH Joystick Press SW K869 BU Sol Gnd3
Accessory Circuits K870 GN Sol Gnd4
501 GN Wiper - Front (Low) K871 WH
506 PU Washer - Front K872 OR
508 PU Radio Speaker - Left K874 BR
509 WH Radio Speaker - Left (Common) K879 GN
511 BR Radio Speaker - Right 954 GN Hammer Sw A
512 GN Radio Speaker - Right (Common) G976 BU Water Separator Level SW
530 OR Washer Right K904 GN Pump Discharge - Signal
535 BU Atch Window Limit SW K906 GN Swing Brake Sol - Signal
575 YL Wiper - Aux K907 BU Swing Brake Sol - +B
576 PK Wiper - Aux L968 OR Electronic Pump COntrol Ps Valve (-)
578 BU Washer - Aux L969 WH Electronic Pump Control Ps Valve (+)
586 BR Aux Hydraulic - Close L970 GY Elec Pump Cont To Sw Common Ret
590 GY Wiper Sw To Intermittent Module L971 GN Elec Pump Cont To Travel Press Sw
592 BU DC/DC Converter Power Output L972 BU Low Idle SW
A513 RD Radio to Convertor L973 GN Fine Swing Cont Relay To Sol Valve
A537 PK Seat Heater L974 GN Elec Pump Ctrl Boom Raise Press SW
A579 OR Wiper Motor + L975 PK Start Aid Cont Lamp 1 Output
A580 BR Wiper Motor T967 YL Pump Discharge(2) Press Sensor
A581 GN Wiper Motor Raise
Code Description of Problems
1301 Engine oil pressure is too low.
1302 Engine coolant temperature is too high.
1303 Hydraulic oil temperature is too high.
1304 Air filter is clogged.
1305 Battery voltage is not normal.
2201 Governor actuator feedback sensor circuit is open or shorted to battery voltage.
2202 Governor actuator feedback sensor circuit is shorted to body ground.
2301 Governor actuator feedback signal is not stable.
2302 Governor actuator feedback signal deviates.
2303 Governor actuator does not move.
2304 Calibration data error.
3201 Monitor RAM is not normal.
4101 Electric power supply to the controller is too much (43 volts).
4102 Over-current in proportional reducing valve.
4103 Proportional reducing valve circuit is open.
4104 Monitor power supply (digital output) over current.
4105 Over-current in digital output (trenching solenoid).
4106 Over-current in digital output (fine control solenoid).
4107 Over-current in digital output (travel speed change solenoid).
4108 Over-current in digital output (travel alarm).
4109 Spare solenoid 1 (digital output) over current.
410A Over-current in digital output (swing brake solenoid).
410b Spare solenoid 2 (digital output) over current.
4201 Engine speed is not normal.
4202 Engine coolant temperature sensor is shorted to body ground.
4203 Hydraulic oil temperature sensor is shorted to body ground.
4204 PWM sensor of pump delivery pressure is shorted to body ground.
4205 Spare PWM sensor 1 is shorted to body ground.
4206 Spare PWM sensor 2 is shorted to body ground.
4207 PWM sensor of pump delivery pressure is open in circuit.
420A Fuel sensor is shorted to body ground
420B Fuel sensor is open or shorted to battery voltage.
420C Electric power supply is to low (below 23 volts).
420D Electric power supply is to high (above 32 volts).
420E Engine speed dial is not in one of the 10 specified positions.
4301 Data mismatch 1 between alternator and speed sensor (alternator is abnormal).
4302 Data mismatch 2 between alternator and speed sensor (speed sensor is abnormal).
4303 Engine stalls.
A201 Monitor communication is not normal.
A202 Monitor takes too much time to respond to controller's signal.
A203 Communication is abnormal in controller.
A20d ADEM communication disconnect.
Real Time Error Codes
Failure Mode Identifiers (FMI)¹
FMI No.
Failure Description
0 Data valid but above normal operational range.
1 Data valid but below normal operational range.
2 Data erratic, intermittent, or incorrect.
3 Voltage above normal or shorted high.
4 Voltage below normal or shorted low.
5 Current below normal or open circuit.
6 Current above normal or grounded circuit.
7 Mechanical system not responding properly.
8 Abnormal frequency, pulse width, or period.
9 Abnormal update.
10 Abnormal rate of change.
11 Failure mode not identifiable.
12 Bad device or component.
13 Out of calibration.
14 Parameter failures.
15 Parameter failures.
16 Parameter not available.
17 Module not responding.
18 Sensor supply fault.
19 Condition not met.
20 Parameter failures.
¹The FMI is a diagnostic code that indicates what type of failure has occurred.
CID
Component
1522
Variable Relief (1) Solenoid Valve
1523
Variable Relief (2) Solenoid Valve
1524
Flow Control Solenoid Valve
2004
ATT Stem1 Modulation
2005
ATT Stem2 Modulation
2006
ATT Stem3 Modulation
2012
1Way/2Way Change Solenoid Valve
2016
ATT Stem1 Extended Solenoid Valve
2017
ATT Stem1 Extended Solenoid Valve
2018
ATT Stem2 Extended Solenoid Valve
2019
ATT Stem2 Extended Solenoid Valve
2020
ATT Stem3 Extended Solenoid Valve
2021
ATT Stem3 Extended Solenoid Valve
Component Identifiers (CID)¹ and
Module Identifier (MID106)² for (Atch) Valve Control
¹ The CID is a diagnostic code that indicates which component is faulty.
² The MID is a diagnostic code that indicates which electronic control module
diagnosed the fault.
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
A/C Switch Panel D-3
A
Sender - Hyd. Oil Temp. A-6
F
Actuator Governor A-12
1
Sensor - A/C Photo E-1
A
Air Heater A-10
2
Sensor - AIH Coolant Temp. C-12
16
Alarm - Fault D-1
A
Sensor - Fuel Level A-5
17
Alarm - Travel A-5
3
Sensor - Pump Discharge Press 1 A-7
F
Alternator C-12
4
Sensor - Pump Discharge Press 2 A-7
F
Antenna D-5
5
Sensor - Speed A-10
18
Battery J-12
6
Sockets - 12V 7A D-6
A
Block Terminal G-8
E
Solenoid - A/C Clutch B-12
19
Breaker Alt. G-10
E
Solenoid - Fine Swing A-5
A
Controller-Valve D-9
22
Solenoid - Flow Limit A-9
F
Controller-Eng/Pump F-8
E
Solenoid - Hyd. Lock D-12
G
Converter D-5
40
Solenoid - Power Shift Cont. A-7
F
Converter - 12V 7A J-6
D
Solenoid - Power Shift Control A-8
F
Converter - 12V 7A J-6
41
Solenoid - Stem 1 Cont (A) D-11 34
Eng. Speed Dial G-1
B
Solenoid - Stem 1 Cont (B) D-12
35
Fuse Block J-10
E
Solenoid -Stem 2 Cont (B) D-12
37
Horn C-2, B-2
7
Solenoid - Swing Brake D-12
G
Joystick H-1
B
Solenoid - Swing Brake D-12
G
Joystick J-2
C
Solenoid - Travel Speed D-12
G
Lamp - Boom C-1
8
Solenoid - Travel Straight D-12
G
Lamp - Cab F-1
9
Solenoid -Stem 2 Cont (A) D-11
36
Lamp - Chassis B-2
10
Speaker E-6
A
Lamp - Dome E-6
A
Switch - Air Cleaner J-12
24
Lighter - Cigar D-2
A
Switch - Aux Hyd. Press. H-1
D
Meter - Service D-2
A
Switch - Backup G-2
B
Monitor E-1
A
Switch - Coolant Level J-12
25
Motor - Lower Washer J-12
11
Switch - Disconnect G-11
E
Motor - Lower Wiper J-1
D
Switch - Eng. Oil Level A-12
26
Motor - Starter B-12
12
Switch - Eng. Oil Press. A-12
27
Motor - Washer J-12
13
Switch - Fine Swing Cont. D-4
50
Motor - Wiper E-1
A
Switch - Hammer Press J-1
D
Relay - Boom Lamp J-11
E
Switch - Horn J-2
C
Relay - Cab Lamp J-11
E
Switch - Hyd. Oil Filter A-6
F
Relay - Cab Lamp H-11
E
Switch - Hyd. Oil Level A-6
F
Relay - Cab Lamp G-11
E
Switch - Joystick Press. J-1 D
Relay - Chassis Lamp J-11
E
Switch - Key G-1 B
Relay - Chassis Lamp H-11
E
Switch - Lower Washer D-4 A
Relay - Heater J-8
E
Switch - Lower Wiper D-4 A
Relay - Horn H-11
E
Switch - Neutral Start J-2 D
Relay - Hyd. Lock Sol. H-11
E
Switch - One Touch Low Idle H-1 B
Relay - Main J-7
E
Switch - Panel D-3 A
Relay - Neutral Start H-11
E
Switch - Seat Heater D-4 A
Relay - Panel J-8
E
Switch - Speed Change G-1 B
Relay - Refueling Power A-2
43
Switch - Travel Left Press. J-1 D
Relay - Refueling Start A-3
44
Switch - Travel Right Press. J-1 D
Relay - Refueling Stop A-2
45
Switch - Under Window Limit E-1 A
Relay - Start Cont. J-10
E
Switch - Window Limit F-1 A
Relay - Starter G-7
E
Unit Heater F-5 28
Relay - Timer J-10
E
Unit Heater Control J-7 E
Resistor - Backup J-8
E
Unit IND G-1 B
Seat With Seat Heater H-1
14
Wiper Control D-2 A
Sender - Eng. Coolant Temp. C-12
15
Machine locations are repeated for components located close together.
A = Located inside of cab.
C = Located inside of left console.
D = Backside of platform.
E = Located around relay panel.
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a
specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close again
with a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected
from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded
by being fastened to the machine.
Electrical Schematic Symbols And Definitions
Pressure
Symbol
Temperature
Symbol
Level
Symbol
Flow
Symbol
A AA
2
A AA
1
2
325-PK-14
C
A
325-PK-14
200-BK-14
T
FUSE - A component in an electrical circuit that will open the circuit if too much current flows
through it.
REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes the
contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
SENDER - A component that is used with a temperature or pressure gauge. The sender
measures the temperature or pressure. Its resistance changes to give an indication to the
gauge of the temperature or pressure.
RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity.
It has a coil that makes an electromagnet when current flows through it. The electromagnet
can open or close the switch part of the relay.
CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too
much current flows through it. This does not destroy the circuit breaker and it can be reset to
become part of the circuit again.
SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coil
that makes an electromagnet when current flows through it. The electromagnet can open or
close a valve or move a piece of metal that can do work.
Harness And Wire Electrical Schematic Symbols
Socket
Pin
Pin or Socket
Number
Wire, Cable, or Harness
Assembly Identification
Single Wire
Connector
Circuit Number
Identification
Wire
Gauge
Wire
Color
Plug
Receptacle
9X-1123
Component
Part Number
Electrical Schematic Symbols And Definitions
1
1
1
2
2
Typical representation of a
Sure-Seal connector. The
plugand receptacle contain
both pins and sockets.
Typical representation of a
Deutsch connector. The
plug contains all sockets
and the receptacle contains
all pins.
A
3
4
5
6
8
9
10
11
13
C
D
E
1
2
19
21
25
31
32
33
34
36
7
F
41
44
45
46
47
48
B
G
14
15
16
12
17
18
20
22
23
24
26
27
28
29
30
37
35
38
39
40
42
43
54
57
58
49
50
51
52
53
55
56
59
14
15
16
B
17
18
20
22
23
24
26
27
28
29
30
37
35
38
39
40
42
43
C
D
E
F
A
G
3
4
5
6
8
1
2
7
10
11
13
8
9
9
19
21
25
31
32
33
34
36
41
44
45
46
47
48
50
51
52
53
55
56
57
58
54
49
59
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
Travel Left Pressure
Travel Right Pressure
167-3466 Joystick Pressure 490.00 ± 49.00 kPa 290.00 kPa MIN Normally Open
Atch: Medium Line Pressure (71.07 ± 7.11 psi) (42.06 psi MIN)
Atch: Hydraulic Pressure
Atch: Hammer Pressure
Atch: Straight Travel
G = Located around Control Valve.
B = Located inside right console.
F = Located inside of pump area.
Machine Harness Connector And Component Locations
2
1
OPERATOR STATION
5
4
6
D
HORN SW
D
128-2134
NEUTRAL START
LIMIT SW
163-6785
3
2
D
2
1
A
E474-OR-18
E472-GN-18
A
B
C
A
189-RD
151-GN
154-RD
5
4
6
2
DA
1
235-BK-18
235-BK-18
235-BK-18
K848-WH-18
235-BK-18
200-BK-18
320-RD-18
K844-GY-183
K848-WH-18
K844-GY-18
235-BK-18
E474-OR-18
235-BK-18
200-BK-18
E472-GN-18
320-RD-18
RD-18
WH-18
BK-18
CONSOLE(LH)
A
4
3
2
E
K847-PU-18
K843-GN-18
E473-GY-18
235-BK-18
200-BK-18
200-BK-18
200-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
E472-GN-18 1
535-BU
235-BK-18
235-BK-18
235-BK-18
H473-BR-18
K852-GN-18
235-BK-18
K849-YL-18
235-BK-18
235-BK-18
235-BK-18
576-PK-18
H475-BU-18
H474-GN-18
235-BK-18
K851-BU-18
11
10
9
7
8
6
5
3
2
4
200-BK-18
F773-OR-18
M736-BU-18
169-PK-18
607-PK
L972-BU-18
A758-BR-18
A757-GY-18
A756-BU-18
F774-WH-18
A
12
11
9
10
8
7
5
4
6
E
307-OR
308-YL
L968-OR-18
A770-PK-18
326-RD
105-RD
L969-WH-18
K907-BU-18
A537-PK-18
A755-PK-18 1
575-YL-18
235-BK-18 12
200-BK-18
GROUND STRAP
128-8886
3
GROUND STRAP
7G-1060
CHASSISRISER
JOYSTICK
PRESS. SW
RISER
1
A
L11 L11
200-BK
200-BK
A
PLATFORM
L10 L10
200-BK-14
200-BK-14
200-BK-18
H476-WH-18
167-3466
L9
1
2
A
1
2
E
K906-GN-18
A768-BU-18
780-PU-18
150-OR-18
E
535-BU
615-YL
615-YL
103-RD
607-PK
L9L9
200-BK-14
200-BK-14
575-YL-18
893-GN-18
576-PK-18
113-OR-18
235-BK-18 2
A769-GY-18 3
A537-PK-18
235-BK-18
200-BK-18
607-PK
235-BK-18
235-BK-18
K847-PU-18
K843-GN-18
E473-GY-18
E472-GN-18
235-BK-18
L972-BU-18
200-BK-18
235-BK-18
E
E
150-OR-18
780-PU-18
105-RD
326-RD
307-OR
308-YL
A755-PK-18
A756-BU-18
A757-GY-18
A758-BR-18
780-PU-18
150-OR-18
235-BK-18
235-BK-18
F774-WH-18
F773-OR-18
A768-BU-18
K906-GN-18
K907-BU-18
A770-PK-18
L969-WH-18
L968-OR-18
A769-GY-18
F773-OR-18
K906-GN-18
A768-BU-18
F774-WH-18
E1
BACKUP
E
2
A/D
163-6711
GOV SW
3
2
5
1
6
4
3
235-BK-18
CAB
200-BK
615-YL
235-BK-18
BACKUP
A769-GY-18
EPR VALVE SW
163-6710
8
E
11
7
9
12
E
10
152-BU
200-BK
535-BU
C537-GN-18
C538-OR-18
103-RD-18
201-BK-18
169-PK-18
893-GN-18
892-BR-18
A582-PU
A581-GN
A580-BR
607-PK-18
(NOTE B)
M736-BU-18
307-OR
118-GY
307-OR
307-OR
310-PU
307-OR
578-BU
210-BK
229-BK
135-BU
147-PU
152-BU
L8L8
M742-PU-18
H465-GN-18
586-BR-18
646-RD-18
645-RD-18
A537-PK-18
M734-BR-18
506-PU-18
892-BR-18
410-WH-18
123-WH-18
169-PK-18
169-PK-18
169-PK-18
169-PK-18
L973-GN-18
H467-WH-18
H466-BU-18
M741-GY-18
C569-YL
403-GN-18
607-PK
L5
L7 L7
L5
200-BK
200-BK-18
200-BK-18
200-BK
200-BK
200-BK
L7L7
L6L6
L5L5
21
20
235-BK-18
200-BK-14
175-RD-14
200-BK-14
E554-PK-18
124-GN-14
M736-BU-18
169-PK-18
169-PK-18
235-BK-18
L968-OR-18
L969-WH-18
A770-PK-18
K907-BU-18
169-PK-18
169-PK-18
129-BU
200-BK-18
200-BK-14
200-BK-14
4
189-RD
200-BK
103-RD
607-PK
200-BK
200-BK
175-RD-14
124-GN-14
615-YL
129-BU
152-BU
118-GY
615-YL
607-PK
113-OR-18
123-WH-18
200-BK
210-BK
135-BU
200-BK
200-BK
229-BK
120-YL
120-YL
179-BU
A
1
R
C569-YL
147-PU
C569-YL
151-GN
154-RD
147-PU
210-BK
229-BK
135-BU
147-PU
147-PU
105-RD
320-RD-18
308-YL
308-YL
308-YL
308-YL
H473-BR-18
K852-GN-18
K849-YL-18
K851-BU-18
307-OR
646-RD-18
645-RD-18
169-PK-18
H475-BU-18
H476-WH-18
H474-GN-18
A768-BU-18
A769-GY-18
M736-BU-18
E554-PK-18
K906-GN-18
A770-PK-18
615-YL
189-RD
615-YL
103-RD
152-BU
118-GY
3
6
5
4
7
8
9
10
147-PU
129-BU
105-RD
151-GN
154-RD
11
12
1
2
3
5
4
175-RD-14
124-GN-14
113-OR-18
123-WH-18
607-PK
607-PK
607-PK
607-PK
AR
1
2
3
4
5
6
7
9
8
11
10
H474-GN-18
H476-WH-18
H475-BU-18
E554-PK-18
L972-BU-18
M736-BU-18
F773-OR-18
F774-WH-18
A755-PK-18
K852-GN-18
K849-YL-18
6 607-PK
2 607-PK179-BU
5
179-BU
120-YL
615-YL
1
3
2
J
GND
24V IN
24V MEMORY
6
200-BK
120-YL
120-YL
5
6
12V OUT
GND
135-BU
210-BK
CONVERTER
167-3467
ATCH 12V 7A
CONVERTER
167-3467
J
12V 7A
ATCH 12V 7A
12V MEMORY
4
179-BU
120-YL
615-YL
103-RD
189-RD
129-BU
118-GY
152-BU
147-PU
607-PK
105-RD
123-WH-18
113-OR-18
124-GN-14
175-RD-14
320-RD-18
169-PK-18
A770-PK-18
645-RD-18
307-OR
154-RD
151-GN
308-YL
H476-WH-18
H475-BU-18
H474-GN-18
646-RD-18
K906-GN-18
A755-PK-18
F774-WH-18
F773-OR-18
M736-BU-18
A769-GY-18
A768-BU-18
L972-BU-18
308-YL
GND
1
3
4
2
GND
5
6
12V OUT
24V IN
24V MEMORY
12V MEMORY
ATCH 12V 7A
2
1
GND
GND
4
3
6
5
12V MEMORY
24V MEMORY
24V IN
12V OUT
CONVERTER
167-3467
3
1
2
7
6
5
4
8
9
10
11
320-RD-18
169-PK-18
A770-PK-18
646-RD-18
645-RD-18
105-RD
308-YL
151-GN
307-OR
154-RD
123-WH-18
113-OR-18
124-GN-14
175-RD-14
129-BU
147-PU
118-GY
152-BU
103-RD
189-RD
607-PK
K849-YL-18
K852-GN-18
A755-PK-18
F774-WH-18
F773-OR-18
M736-BU-18
L972-BU-18
E554-PK-18
H475-BU-18
H476-WH-18
H474-GN-18
615-YL615-YL
OPERATOR STATION
L972-BU-18
A758-BR-18
A757-GY-18
A756-BU-18
L968-OR-18
L969-WH-18
K907-BU-18
M742-PU-18
M741-GY-18
H465-GN-18
M734-BR-18
892-BR-18
893-GN-18
F773-OR-18
403-GN-18
F774-WH-18
H467-WH-18
H466-BU-18
200-BK-14
200-BK-18
578-BU
506-PU-18
L973-GN-18
410-WH-18
E472-GN-18
E472-GN-18
310-PU
E473-GY-18
326-RD
E472-GN-18
E474-OR-18
E472-GN-18
200-BK-14
147-PU
13
15
14
17
19
18
16
22
21
24
23
26
25
28
27
20
M741-GY-18
H465-GN-18
M742-PU-18
H466-BU-18
H467-WH-18
200-BK-14
200-BK-18
200-BK-14
A758-BR-18
A757-GY-18
M734-BR-18
E474-OR-18
E473-GY-18
E472-GN-18
L973-GN-18
(NOTE A)
326-RD
307-OR
30
29
32
31
34
36
35
33
308-YL
38
41
40
39
43
42
45
44
308-YL37
235-BK-18
A768-BU-18
A769-GY-18
893-GN-18
892-BR-18
H473-BR-18
K851-BU-18
169-PK-18
645-RD-18
646-RD-18
A770-PK-18
320-RD-18
K906-GN-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
586-BR-18
19
18
16
15
17
12
13
9
11
10
14
8
7
5
4
6
1
2
F
17
18
3
A
310-PU
578-BU
47
46
49
48
51
50
53
52
607-PK
124-GN-14
A
2
5
4
3
1
E554-PK-18
175-RD-14
200-BK-14
54
506-PU-18
L968-OR-18
L969-WH-18
K907-BU-18
586-BR-18
410-WH-18
403-GN-18
15
16
13
12
14
9
11
10
8
7
A
6
200-BK-14
5
4
2
1
3
F
11
12
9
10
A
6
578-BU
M741-GY-18
M742-PU-18
H467-WH-18
H466-BU-18
H465-GN-18
410-WH-18
K907-BU-18
893-GN-18
M734-BR-18
L969-WH-18
L968-OR-18
A757-GY-18
A758-BR-18
506-PU-18
403-GN-18
147-PU
310-PU
326-RD
586-BR-18
E474-OR-18
E472-GN-18
200-BK-14
200-BK-14
200-BK-18
K851-BU-18
K849-YL-18
K852-GN-18
H473-BR-18
E554-PK-18
E473-GY-18
892-BR-18
L973-GN-18
18
19
17
16
15
13
14
21
22
23
24
25
26
27
28
20
29
30
31
32
33
34
35
36
38
39
40
41
42
43
44
45
37
(NOTE A)
326-RD
K906-GN-18
L973-GN-18
E472-GN-18
E473-GY-18
E474-OR-18
K851-BU-18
H473-BR-18
892-BR-18
893-GN-18
M734-BR-18
A769-GY-18
A768-BU-18
308-YL
A757-GY-18
A758-BR-18
147-PU
200-BK-14
200-BK-18
200-BK-14
H467-WH-18
H466-BU-18
M742-PU-18
H465-GN-18
M741-GY-18
235-BK-18
(NOTE A)
R
B
G
R
ATCH
235-BK-18
(NOTE A)
A/C UNIT
161-3779
B
(NOTE A)
7
6
3
4
5
2
1
F
A
HEATER UNIT
164-0490
46
47
48
49
50
51
52
53
RB
54
L13 L13
CAB
310-PU
586-BR-18
403-GN-18
578-BU
410-WH-18
K907-BU-18
L969-WH-18
L968-OR-18
506-PU-18
8
BR
R/L
12 A756-BU-18A756-BU-18 A756-BU-18 A755-PK-1812
235-BK-18
M741-GY-18
M742-PU-18
H465-GN-18
H467-WH-18
H466-BU-18
235-BK-18
235-BK-18
235-BK-18
307-OR
E554-PK-18
147-PU
310-PU
A537-PK-18
410-WH-18
893-GN-18
892-BR-18
506-PU-18
M734-BR-18
152-BU
200-BK-18
578-BU
645-RD-18
129-BU
200-BK-14
175-RD-14
646-RD-18
200-BK-14
118-GY
103-RD
200-BK-18
586-BR-18
K906-GN-18
200-BK-18
200-BK-18
200-BK-18
154-RD
151-GN
189-RD
A537-PK-18
235-BK-18
235-BK-18
235-BK-18
K851-BU-18
K849-YL-18
K852-GN-18
H473-BR-18
M736-BU-18
A755-PK-18
F774-WH-18
F773-OR-18
K907-BU-18
113-OR-18
A770-PK-18
169-PK-18
307-OR
169-PK-18
L969-WH-18
C569-YL
L968-OR-18
A769-GY-18
A768-BU-18
200-BK-14
105-RD
308-YL
307-OR
A756-BU-18
A757-GY-18
A758-BR-18
L972-BU-18
235-BK-18
200-BK-14
615-YL
L973-GN-18
615-YL
H476-WH-18
H474-GN-18
H475-BU-18
607-PK
607-PK
607-PK
169-PK-18
123-WH-18
326-RD
E472-GN-18
320-RD-18
229-BK
210-BK
135-BU
E473-GY-18
235-BK-18
E472-GN-18
E474-OR-18
403-GN-18
124-GN-14
200-BK
615-YL
A584-BU-18
200-BK-18
A584-BU-18
200-BK
615-YL
200-BK
H
2
1
201-BK-18
103-RD-18
615-YL
F
200-BK-18
118-GY
200-BK
200-BK
129-BU
410-WH-18
200-BK-18
530-OR-18
A579-OR
506-PU-18
A580-BR
A581-GN
A582-PU
A584-BU-18
A579-OR
235-BK-18
403-GN-18
A586-OR-18
501-GN-18
590-GY-18
113-OR-18
200-BK-18
646-RD-18
M734-BR-18
645-RD-18
A586-OR-18
501-GN-18
530-OR-18
H467-WH-18
H466-BU-18
M741-GY-18
H465-GN-18
M742-PU-18
590-GY-18
4
6
5
8
7
892-BR-18
893-GN-18
607-PK-18
F
(NOTE A)
C538-OR-18
C537-GN-18
F
WIPER
MOTOR
F
152-BU
535-BU
F
161-3667
A579-OR
A580-BR
A581-GN
A582-PU
F
F
CIGAR
LIGHTER
9W-0335
129-BU
200-BK
F
-
+
F
F
2
1
13
METER
REV
FAULT ALARM
132-1829
11
10
9
7
8
6
5
3
2
4
GND
RISE. S
LOW
INT (3)
WASH
ACC
WA+
W. CW
INT (6)
WIPER CONT
155-7042
WIPER CUT
STOP 12
200-BK
590-GY-18
A584-BU-18
A582-PU
A581-GN
501-GN-18
A580-BR
506-PU-18
118-GY
530-OR-18
A586-OR-18
200-BK-18
410-WH-18
235-BK-18
403-GN-18
SERVICE
6T-7337
169-PK-183
200-BK
200-BK-14
200-BK
200-BK-18
201-BK-18
200-BK-14
200-BK
200-BK-18
893-GN-18
169-PK-18
103-RD-18
235-BK-18
535-BU
152-BU
607-PK-18
892-BR-18
200-BK
200-BK
200-BK
200-BK
F
CAB
200-BK-18
410-WH-18
506-PU-18
118-GY
403-GN-18
645-RD-18
646-RD-18
129-BU
113-OR-18
L4
M734-BR-18
C538-OR-18
C537-GN-18
M741-GY-18
H466-BU-18
H467-WH-18
H465-GN-18
M742-PU-18
A584-BU-18
200-BK-14
L973-GN-18
210-BK-14
135-BU-14
229-BK-14
C569-YL-14
235-BK-18
152-BU
893-GN-18
892-BR-18
200-BK
201-BK-18
235-BK-18
F
20
18
19
17
16
14
13
15
AEC MODE IND
ALARM CANCEL IND
WASH
W. LOW
GND
12
10
11
9
8
+B
6
5
3
2
4
7
W. INT (6)
TRAVEL MODE IND 1
TRAVEL MODE SW
TRAVEL MODE IND 2
AEC MODE SW
ALARM CANCEL SW
L. BOOM
W. INT (3)
530-OR-18
501-GN-18
A586-OR-18
645-RD-18
M734-BR-18
200-BK-18
113-OR-18
590-GY-18
H467-WH-18
H466-BU-18
M741-GY-18
H465-GN-18
M742-PU-18
L6
L4L4
F
1
A/C SW PANEL
L. CHASSIS
F
646-RD-18
C538-OR-18
C537-GN-18
575-YL-18
576-PK-18
200-BK-18
200-BK-18
535-BU-18
607-PK-18
A579-ORW. CCW 1
200-BK
P
1
2200-BK
616-BU
P
1
2
616-BU
200-BK
PN
1
2
OPERATOR STATION
N
2
1
200-BK
616-BU
B
200-BK
616-BU
HORN
M
HORN
M
7Y-3920
7Y-3919
LAMP
CHASSIS
135-0550
LAMP
CHASSIS
135-0550
S
1
2
1
2
S
M
1
2
322-GY
200-BK
B
S
1
3
2
4
607-PK
200-BK
200-BK
607-PK
B
200-BK
607-PK
607-PK
200-BK
200-BK
200-BK
200-BK
322-GY
322-GY
322-GY
SWITCH PANEL
163-6701
ATCH
HEATER SW PANEL
176-2005
L3L3
ATCH LOWER
WIPER SW
163-6718
L2L2
L1L1
M737-WH-18
321-BR-18
K904-GN-18
T967-YL-18
A769-GY-18
A768-BU-18
487-OR-18
491-PK-18
495-GN-18
496-WH-18
147-PU
147-PU
M739-YL-18
200-BK-18
200-BK-18
200-BK-18
235-BK
200-BK
607-PK
616-BU
322-GY
200-BK
200-BK
200-BK
200-BK
607-PK
607-PK
200-BK-18
L973-GN-18
200-BK
200-BK
200-BK
322-GY
616-BU
607-PK
200-BK
607-PK
157-3210
535-BU
200-BK-14
535-BU
535-BU
535-BU
169-PK-18
118-GY
506-PU-18
893-GN-18
410-WH-18
892-BR-18
M734-BR-18
H467-WH-18
H466-BU-18
M742-PU-18
403-GN-18
646-RD-18
123-WH-18
576-PK-18
645-RD-18
M741-GY-18
H465-GN-18
169-PK-18
103-RD-18
200-BK-14
506-PU-18
118-GY
410-WH-18
M734-BR-18
129-BU
H467-WH-18
403-GN-18
A584-BU-18
113-OR-18
H466-BU-18
H465-GN-18
M742-PU-18
M741-GY-18
535-BU
646-RD-18
535-BU
607-PK-18
200-BK-18
645-RD-18
578-BU
147-PU
A537-PK-18
152-BU
575-YL-18
129-BU
307-OR
310-PU
586-BR-18
113-OR-18
200-BK-14
113-OR-18
113-OR-18
103-RD
103-RD
103-RD-18
103-RD-18
103-RD-18
607-PK
615-YL
113-OR-18
535-BU-18
535-BU-18
576-PK-18
123-WH-18
535-BU
200-BK-18
575-YL-18
A537-PK-18
200-BK-18
578-BU
200-BK-18
147-PU
L973-GN-18
607-PK-18
200-BK-18
586-BR-18
310-PU
147-PU
147-PU
147-PU
607-PK-18
FF
578-BU
A537-PK-18
200-BK-18
200-BK-18
200-BK-18
200-BK-18
123-WH-18
535-BU-18
607-PK-18
607-PK-18
607-PK-18
607-PK-18
FF
(NOTE B)
F
147-PU
200-BK-18
200-BK-18
586-BR-18
200-BK-18
607-PK-18
607-PK-18
607-PK-18
607-PK-18
147-PU
L973-GN-18
200-BK-18
200-BK-18
200-BK-18
(NOTE A)
200-BK-14
103-RD-18
615-YL
607-PK
615-YL
607-PK-18
512-GN-18
511-BR-18
607-PK-18
607-PK-18
A584-BU-18
508-PU-18
200-BK
201-BK-18
509-WH-18
113-OR-18
103-RD-18
200-BK-18
607-PK-18
511-BR-18
607-PK-18
229-BK-14
508-PU-18
509-WH-18
512-GN-18
135-BU-14
210-BK-14
200-BK-14
201-BK-18
200-BK
C569-YL-14
615-YL
615-YL
200-BK-14
103-RD-18
511-BR-18
512-GN-18
508-PU-18
509-WH-18
200-BK-14
A584-BU-18
200-BK
200-BK
200-BK-18
200-BK-18
200-BK-18
200-BK-18
200-BK
200-BK
103-RD-18
113-OR-18
200-BK-18
200-BK-18
200-BK-18
F
511-BR-18
508-PU-18
512-GN-18
509-WH-18
200-BK-18
200-BK-18
K
GND
IGN
24V
12V
MEM
592-BU-18
A513-RD-18
200-BK-18
113-OR-18
103-RD-18
4
5
6
K
8
7
2
1
3
512-GN-18
509-WH-18
511-BR-18
508-PU-18
A513-RD-18
592-BU-18
200-BK-18
307-OR
607-PK-18
607-PK-18
F
K
9
4
7
8
6
3
5
F
2
1
10
607-PK-18
512-GN-18
511-BR-18
509-WH-18
508-PU-18
200-BK-18
103-RD-18
113-OR-18
C566-PK-18
C560-OR-18
CAB
307-OR 615-YL310-PU
(NOTE B)
ATCH LOWER
WASHER SW
163-6719
ATCH SEAT
HEATER SW
163-6721
487-OR-18
491-PK-18
496-WH-18
M737-WH-18
M739-YL-18
495-GN-18
K904-GN-18
T967-YL-18
A769-GY-18
147-PU
147-PU
A768-BU-18
SWING CONT SW
163-6722
235-BK
321-BR-18
L973-GN-18
200-BK-18
ATCH
134-1346
CONVERTER
TO RADIO
496-WH-18
491-PK-18
487-OR-18
147-PU
147-PU
235-BK
A769-GY-18
T967-YL-18
K904-GN-18
M739-YL-18
M737-WH-18
A768-BU-18
ATCH
ANTENNA
167-3492
M739-YL-18
M737-WH-18
235-BK-18
235-BK-18
K904-GN-18
T967-YL-18
A769-GY-18
A768-BU-18
147-PU
147-PU
235-BK
235-BK
235-BK
235-BK-18
235-BK-18
235-BK
495-GN-18
321-BR-18
487-OR-18
491-PK-18
496-WH-18
235-BK-18
235-BK-18
OPERATOR STATION
ATCH FINE
615-YL
410-WH-18
506-PU-18
578-BU
535-BU
152-BU
129-BU
645-RD-18
892-BR-18
403-GN-18
893-GN-18
103-RD
586-BR-18
113-OR-18
575-YL-18
A537-PK-18
615-YL
646-RD-18
M734-BR-18
118-GY
169-PK-18
200-BK-14
607-PK
200-BK-14
307-OR
310-PU
576-PK-18
147-PU
123-WH-18
L973-GN-18
M741-GY-18
M742-PU-18
H465-GN-18
H466-BU-18
H467-WH-18
235-BK-18
C569-YL-14
229-BK-14
135-BU-14
210-BK-14
1
3
2
179-BU
200-BK
120-YL
6
5
7
8
9
10
11
12
C569-YL
135-BU
210-BK
229-BK
A
T
4
200-BK
HEATER
CONT UNIT
104-3204
7
GND
KEY SW.(START)
RELAY
TEMP.
KEY SW.(ON)
INDICATOR
REGULATOR
CHECK TERM.
C
C
KK
PP
200-BK
179-BU
179-BU
C569-YL
229-BK
120-YL
120-YL
210-BK
200-BK
135-BU
1
3
4
2
5
6
8
7
9
10
12
11
310-PU-18
200-BK-18
200-BK-18
310-PU-18
169-PK-18
169-PK-18
308-YL-18
308-YL
A770-PK-18
A718-PU-18
L975-PK-18
308-YL
306-GN
306-GN
200-BK-18
308-YL
A770-PK-18
169-PK-18
169-PK-18
308-YL-18
101-RD-6
200-BK-18
L975-PK-18
308-YL-18
200-BK-18
310-PU-18
A718-PU-18
308-YL
308-YL
306-GN
306-GN
200-BK-18
308-YL-18
101-RD-6
308-YL
C
169-PK-18
169-PK-18
BACKUP
RESISTOR
102-8016
C
308-YL-18
200-BK-18
MAIN RELAY
165-4026
C
RR
DIODE
121-1022
A770-PK-18
8
RELAY PANEL
C
HEATER
RELAY
9X-8124
DDEE
200-BK-18
308-YL
200-BK-18
200-BK-18
101-RD-6
112-PU-6
101-RD-6
330-YL
169-PK-18
308-YL
330-YL
306-GN
A770-PK-18
308-YL
169-PK-18
L975-PK-18
A718-PU-18
308-YL-18
200-BK-18
877-YL-4
200-BK-18
310-PU-18
101-RD-4
112-PU-6
DIODE
121-1022
C
306-GN
330-YL
NN
2
1
MM
START RELAY
125-1302
C
306-GN
330-YL
109-RD-8
151-GN
304-WH-8
L14
L13
L14
L13
SPECIAL FILTER PLUGGED
TRAVEL STRAIGHT PRESS SW
C
C
B
ATCH STEM4 SWING CANCEL
CAPSULE FILTER PLUGGED
ENG OIL PRESS SW
WATER SEPARATOR LEVEL SW
AIR CLEANER PLUGGED
FUEL SECONDARY FILTER PLUGGED
CAT DATA LINK (-)
ATCH STEM3 SWING CANCEL
HYD OIL LEVEL SW
ENG OIL LEVEL SW
COOLANT LEVEL SW
FUEL PRIMARY FILTER PLUGGED
TRAVEL RIGHT PRESS SW
TRAVEL LEFT PRESS SW
CAT DATA LINK (+)
235-BK-18
309-GY-18
A718-PU-18
L975-PK-18
308-YL
K776-GN-18
130-RD-14
893-GN-18
892-BR-18
616-BU
607-PK
322-GY
189-RD
A588-GN
403-GN-18
184-RD
308-YL
130-RD-14
189-RD
A588-GN
235-BK-18
893-GN-18
892-BR-18
(NOTE A)
322-GY
607-PK
616-BU
309-GY-18
200-BK-14
403-GN-18
200-BK-14
151-GN
A770-PK-18
184-RD
109-RD-8
101-RD-4
109-RD-6
304-WH-8
877-YL-4
615-YL
118-GY
101-RD-6
B
A
C
12
B
10
9
8
6
7
11
(NOTE A)
5
4
2
1
3
C
6
5
3
4
B
L15
KEY SW ON
TRAVEL MODE SW
ATCH STEM1 SWING CANCEL
THROTTLE POSITION 4
THROTTLE POSITION 3
TRAVEL ALARM CANCEL SW
JOYSTICK PRESS SW
GND
OPTION SW
AEC MODE SW
+B
ONE TOUCH LOW IDLE SW
THROTTLE POSITION 2
THROTTLE POSITION 1
ATCH STEM2 SWING CANCEL
OVER LOAD ALARM CANCEL SW
CREEPER TRAVEL FUNCTION SW
2
1
NN
LL
EE
MM
BBB
L15
KK
DD
B
BLOCK
C
2
C
1
RR
121-1023
SWITCH RETURN
OPTION SW
+B
GND
AUTO LUB FAILURE
AIR HEATER CONTROLLER
+12V SUPPLY
BACKUP SW
GOVERNOR COMMAND
O.L.W.D. PRESS SENSOR
OPTION PWM IN (1)
PUMP DISCHARGE(2) PRESS SENSOR
L975-PK-18
A718-PU-18
K776-GN-18
9
200-BK-18
200-BK-18
200-BK-18
403-GN-18
330-YL
K776-GN-18
200-BK-14
200-BK-14
200-BK
306-GN
169-PK-18
308-YL
200-BK-18
330-YL
616-BU
892-BR-18
893-GN-18
235-BK-18
308-YL-18
200-BK-18
C
RELAY PANEL
L18
309-GY-18
151-GN
151-GN
151-GN
189-RD
189-RD
105-RD
A588-GN
151-GN
189-RD
322-GY
189-RD
189-RD
184-RD
189-RD
130-RD-14
124-GN-14
123-WH-18
113-OR-18
615-YL
320-RD-18
118-GY
152-BU
129-BU
179-BU
120-YL
147-PU
646-RD-18
615-YL
103-RD
175-RD-14
646-RD-18
645-RD-18
200-BK-18
200-BK-18
200-BK-18
200-BK
200-BK-18
200-BK-14
200-BK-18
200-BK-18
200-BK-18
200-BK-18
607-PK
0
1
330-YL
330-YL
C
200-BK-18
110-RD
189-RD
200-BK
308-YL
2
3
1
4
C
309-GY-18
403-GN-18
309-GY-18
616-BU
308-YL-18
235-BK-18
893-GN-18
892-BR-18
645-RD-18
646-RD-18
K776-GN-18
S
GND
RELAY PANEL
START CONT
P
R
IN
+B
OUT
GND
(NOTE A)
5A
TIMER RELAY
163-6703
RELAY
094-2080
L
607-PK
322-GY
J709-GN
160-PU
J709-GN
127-RD
320-RD-18
646-RD-18
149-RD
114-RD
114-RD
149-RD
127-RD
110-RD
105-RD
130-RD-14
115-RD
103-RD
147-PU
152-BU
118-GY
160-PU
309-GY-18
175-RD-14
115-RD
120-YL
179-BU
129-BU
113-OR-18
124-GN-14
123-WH-18
169-PK-18
184-RD
HORN
TIMER RELAY
A/C BLOWER
KEY SW
E/P CONT
BOOM LAMP
CAB LAMP(LH)
ATCH V CONT
DOME LAMP/MEMORY
CAB LAMP(RH)
114-RD
110-RD
10A
15A
30A
15A
15A
10A
10A
175-RD-14
184-RD
115-RD
103-RD
105-RD
127-RD
149-RD
10A
10A
10A
10A
10A
15A
5A
10A
130-RD-14
A/C
LOWER WIPER/WASHER
WIPER/WASHER
CIGAR LIGHTER
SW PANEL/RADIO
BACKUP/MONITOR CONT
AUX CKT
ATT SOL
ALT REGULATOR
12V 7A CONVERTOR 1
12V 7A CONVERTOR 2
SEAT HEATER
CHASSIS LAMP
118-GY
152-BU
129-BU
15A
10A
5A
10A
10A
5A
169-PK-18
124-GN-14
113-OR-18
160-PU
179-BU
120-YL
147-PU
180-GN
10A
5A
10A
10A
5A
10A
5A
10A
309-GY-18
123-WH-18
30A
10A
607-PK
L18
646-RD-18
646-RD-18
646-RD-18
308-YL
154-RD
307-OR
151-GN
129-BU
320-RD-18
646-RD-18
123-WH-18
615-YL
175-RD-14
103-RD
147-PU
120-YL
152-BU
118-GY
113-OR-18
124-GN-14
179-BU
103-RD
646-RD-18
169-PK-18
113-OR-18
147-PU
307-OR
607-PK
179-BU
124-GN-14
308-YL
151-GN
175-RD-14
154-RD
152-BU
105-RD
129-BU
123-WH-18
120-YL
607-PK
645-RD-18
189-RD
105-RD
607-PK
307-OR
615-YL
645-RD-18
320-RD-18
109-RD-6
101-RD-6
112-PU-6
189-RD 615-YL
12
11
8
9
10
7
5
6
4
3
1
11
12
C
R
10
9
7
6
8
L14
2
SENSOR RET
GOVERNOR FEEDBACK
ALTERNATOR R TERM.
HYD OIL TEMP SENSOR
FUEL LEVEL
FAULT ALARM
PRV RETURN (3)
PRV RETURN (4)
TRAVEL ALARM CANCEL IND
COOLANT TEMP SENSOR
SPEED SENSOR (+)
OPTION VOLTAGE SW (1)
ANALOG SENSOR RETURN
PUMP DISCHARGE(1) PRESS SENSOR
4
3
2
1
L15
L13
FINE SWING SW
PRV RETURN (1)
AEC MODE IND
TRAVEL ALARM
OPTION CONTROL PRV
TRAVEL MODE IND
SPEED SENSOR (-)
FAN MOTOR CONTROL PRV
OPTION CONTROL PRV
FREE SWING SW
FLOW LIMIT PRESS PRV
POWER SHIFT CONTROL PRV
SWING BRAKE CANCEL SOL
TRAVEL SPEED CHANGE SOL
HEATER RELAY/STARTER RELAY
TRAVEL STRAIGHT SOL
PRIMARY NFC PRESS PRV
PRV RETURN (2) 5
A770-PK-18
J709-GN
J709-GN
127-RD
615-YL
615-YL
200-BK-18
200-BK-18
189-RD
151-GN
A588-GN
306-GN
154-RD
307-OR
200-BK-18
200-BK-18
LL
112-PU-6
101-RD-6
109-RD-6
FUSE
5A 141-2759
10A 113-8490
15A 113-8491
30A 124-3548
183-1000
5A
10A
10A
15A
15A
FUSE BASE
60A
SS
9S-0174
101-RD-6
101-RD-6
112-PU-6
ALT BREAKER
506-PU-18
578-BU
H473-BR-18
235-BK-18
200-BK-14
200-BK-14
K849-YL-18
K851-BU-18
K852-GN-18
200-BK-18
147-PU
E472-GN-18
E473-GY-18
E474-OR-18
H467-WH-18
E554-PK-18
147-PU
147-PU
403-GN-18
147-PU
H466-BU-18
M742-PU-18
M741-GY-18
M734-BR-18
H465-GN-18
A758-BR-18
A757-GY-18
L968-OR-18
L969-WH-18
K907-BU-18
410-WH-18
A756-BU-18
F773-OR-18
F774-WH-18
A755-PK-18
L973-GN-18
L973-GN-18
L973-GN-18
308-YL
308-YL
308-YL
L973-GN-18
L15
L13
127-RD 154-RD
5A
169-PK-18
F
7Y-5505
ATCH SPEAKER (R)
F
7Y-5505
ATCH SPEAKER (L)
B
52
53
54
H473-BR-18
F
DOME LAMP
176-1986
L3
51
49
50
48
47
45
44
41
42
43
46
(NOTE A)
487-OR-18
405-GY-18
430-BU-18
892-BR-18
K851-BU-18
K852-GN-18
40
39
37
36
38
34
33
32
30
31
35
C468-BU-18
496-WH-18
412-BU-18
893-GN-18
H474-GN-18
H475-BU-18
F
ATCHATCH
12V 7A
SOCKET
121-0987
B
E472-GN-18
52
53
54
C569-YL-14
210-BK-14
135-BU-14
51
49
50
48
47
45
44
41
42
43
46
E473-GY-18
K868-BR-18
K850-BR-18
40
39
37
36
38
34
33
32
30
31
35
E472-GN-18
K868-BR-18
E473-GY-18
K850-BR-18
K861-GN-18
K856-PU-18
E474-OR-18
K851-BU-18
K857-WH-18
K852-GN-18
K849-YL-18
K860-BU-18
151-GN
892-BR-18
893-GN-18
308-YL
235-BK-14
130-RD-14
235-BK-14
130-RD-14
130-RD-14
130-RD-14
235-BK-14
235-BK-14
29
28
26
25
27
23
22
21
19
20
24
308-YL
A758-BR-18
A757-GY-18
M734-BR-18
H476-WH-18
M741-GY-18
K849-YL-18
18
17
15
14
16
11
12
10
8
9
13
184-RD
235-BK
A756-BU-18
A755-PK-18
L972-BU-18
M742-PU-18
K850-BR-18
7
6
4
3
5
2
1
54
184-RD
235-BK
L975-PK-18
52
51
49
48
50
47
45
46
44
43
M736-BU-18
T967-YL-18
M736-BU-18
53
E474-OR-18
K856-PU-18
K861-GN-18
K851-BU-18
29
28
26
25
27
23
22
21
19
20
24
K852-GN-18
K857-WH-18
K860-BU-18
K849-YL-18
18
17
15
14
16
11
12
10
8
9
13
L16
7
6
4
3
5
2
1
54
892-BR-18
52
51
49
48
50
47
45
46
44
43
53 151-GN
H476-WH-18
M742-PU-18
M741-GY-18
H467-WH-18
892-BR-18
893-GN-18
308-YL
K907-BU-18
L975-PK-18
A758-BR-18
430-BU-18
412-BU-18
A757-GY-18
A756-BU-18
A755-PK-18
L969-WH-18
L972-BU-18
L968-OR-18
410-WH-18
M734-BR-18
H466-BU-18
H465-GN-18
H475-BU-18
H474-GN-18
184-RD
184-RD
184-RD
184-RD
151-GN
308-YL
130-RD-14
L973-GN-18
E474-OR-18
E473-GY-18
E472-GN-18
M736-BU-18
M736-BU-18
K849-YL-18
K849-YL-18
H473-BR-18
K849-YL-18
L2L2
12V SUPPLY
L12L12
SOL. GND4
SOL. GND3
PRV RETURN(1)
SOL. GND2
ATT STEM2
TOOL PRESS. SENSOR
ATT STEM3
ATT2 RELIEF PRV
ATT STEM1
ATT STEM4
ATT1 RELIEF PRV
RELIEF CHECK VALVE2
RELIEF CHECK VALVE1
SEPARATE VALVE PRV
1WAY/2WAY CONT SOL
MASK ENABLE
RS232 GND
CDL(-)
INTER LOCK
M739-YL-18
235-BK-18
235-BK-18
235-BK-18
147-PU
M737-WH-18
147-PU
A768-BU-18
A769-GY-18
T967-YL-18
K904-GN-18
235-BK-18
ATT STEM2 MODULATION
ATT STEM3 MODULATION
NEGATIVE CONT PRESS. SENSOR 1
ATT STEM1 CONT PRV(B)
ATT STEM1 MODULATION
ATT STEM4 MODULATION
ATT STEM1 CONT PRV(A)
PUMP1 F1 FLOW CONT PRV
PUMP2 F1 FLOW CONT PRV
ATT STEM3 CONT PRV(B)
ATT STEM4 CONT PRV(B)
ATT STEM3 CONT PRV(A)
ATT STEM4 CONT PRV(A)
ATT STEM2 CONT PRV(B)
ATT STEM2 CONT PRV(A)
STEM1(SQUEEZE) PRESS. SENSOR
NEGATIVE CONT PRESS. SENSOR 2
41
40
37
38
39
36
34
35
33
32
403-GN-18
K904-GN-18
491-PK-18
A761-PU-18
30
29
28
26
27
25
24
22
21
23
495-GN-18
492-GY-18
A762-PU-18
410-WH-18
H465-GN-18
31
19
18
17
15
16
14
13
11
10
12
321-BR-18
788-YL-18
L968-OR-18
H467-WH-18
H466-BU-18
7
8
6
4
5
3
2
1
ENG/PUMP CONT
157-3165
K907-BU-18
L969-WH-18
763-BU-18
M737-WH-18
M740-PK-18
L973-GN-18
9
20M739-YL-18
893-GN-18
41
40
37
38
39
36
34
35
33
32
308-YL
30
29
28
26
27
25
24
22
21
23
31
L17
L16
VALVE CONT
157-3200
130-RD-14
235-BK-14
19
18
17
15
16
14
13
11
10
12
130-RD-14
235-BK-14
7
8
6
4
5
3
2
1
9
20
M739-YL-18
M737-WH-18
235-BK
T967-YL-18
235-BK
235-BK
K904-GN-18
487-OR-18
C468-BU-18
496-WH-18
495-GN-18
491-PK-18
492-GY-18
405-GY-18
A762-PU-18
788-YL-18
A761-PU-18
235-BK
763-BU-18
M740-PK-18
K857-WH-18
K856-PU-18
K868-BR-18
K861-GN-18
K860-BU-18
321-BR-18
K852-GN-18
K852-GN-18
K851-BU-18
K851-BU-18
K852-GN-18
K851-BU-18
K850-BR-18
K849-YL-18
893-GN-18
892-BR-18
892-BR-18
893-GN-18
K852-GN-18
235-BK-14
403-GN-18
M742-PU-18
M734-BR-18
H467-WH-18
H466-BU-18
H465-GN-18
K849-YL-18
K852-GN-18
H473-BR-18
K851-BU-18
H476-WH-18
M741-GY-18
410-WH-18
A755-PK-18
K907-BU-18
L969-WH-18
L968-OR-18
A756-BU-18
A757-GY-18
A758-BR-18
L972-BU-18
L973-GN-18
607-PK
616-BU
322-GY
A768-BU-18
A769-GY-18
T967-YL-18
487-OR-18
496-WH-18
147-PU
147-PU
321-BR-18
892-BR-18
893-GN-18
L975-PK-18
412-BU-18
430-BU-18
H474-GN-18
H475-BU-18
184-RD
L973-GN-18
893-GN-18
892-BR-18
M736-BU-18
M736-BU-18
308-YL
308-YL
130-RD-14
308-YL
151-GN
M736-BU-18
E474-OR-18
E473-GY-18
E472-GN-18
M739-YL-18
F773-OR-18
F774-WH-18
K904-GN-18
495-GN-18
491-PK-18
M737-WH-18
308-YL
M736-BU-18
E554-PK-18
309-GY-18
L21
877-YL-4
304-WH-8
109-RD-6
101-RD-4
189-RD
A718-PU-18
C468-BU-18
405-GY-18
A761-PU-18
101-RD-4
K776-GN-18
L17
L16
ATT STEM2 NEUTRAL
CDL(+)
RS232 RX
ATT STEM3 NEUTRAL
RS232 TX
RS422 TX+
SENSOR GND
RS422 TX-
KEY SW
STEM4 EXTEND SW
STEM4 RETRACT SW
ATT STEM1 NEUTRAL
GND
+B
STEM3 RETRACT SW
RS422 RX-
STEM2 EXTEND SW
STEM1 RETRACT SW
STEM3 EXTEND SW
GND
+B
L2
RS422 RX+
STEM1 EXTEND SW
STEM2 RETRACT SW
L2
L19L19
L973-GN-18
M737-WH-18
M739-YL-18
147-PU
T967-YL-18
K904-GN-18
496-WH-18
491-PK-18
487-OR-18
A768-BU-18
A769-GY-18
147-PU
L20L20
L21L21
495-GN-18
607-PK
616-BU
322-GY
321-BR-18
235-BK-18
200-BK
200-BK
200-BK
235-BK-18
235-BK
M736-BU-18
189-RD
877-YL-4
A762-PU-18
788-YL-18
405-GY-18
C468-BU-18
308-YL
F774-WH-18
F773-OR-18
A761-PU-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
309-GY-18
E554-PK-18
109-RD-6
A718-PU-18
492-GY-18
403-GN-18
235-BK-18
K776-GN-18
235-BK-18
109-RD-6
304-WH-8
200-BK-6
F773-OR-18
F774-WH-18
308-YL
C468-BU-18
405-GY-18
304-WH-8
101-RD-4
101-RD-4
200-BK
200-BK
788-YL-18
A762-PU-18
877-YL-4
189-RD
M736-BU-18
A761-PU-18
101-RD-4
101-RD-4
308-YL
189-RD
877-YL-4
4242ATT STEM4 NEUTRAL K851-BU-18
(NOTE A)
229-BK-14
200-BK-18
615-YL
615-YL
509-WH-18
508-PU-18
512-GN-18
511-BR-18
200-BK-18
103-RD-18
200-BK
A584-BU-18
200-BK
T
T
12V 7A X 2 (NOTE D)
12V 7A
SOCKET
121-0987
(NOTE D)
23
B
U
2
1L973-GN-18
200-BK-18 200-BK-18
L973-GN-18
4
U
2
1
ATCH
SOL
FINE SWING
107-7056
B
1
B
1YL
2
TRAVEL ALARM
235-BK-18
495-GN-18
321-BR-18
1
2
B
235-BK-18
491-PK-18
235-BK-18
496-WH-18
235-BK-18BK 2
5
T
4I-5394
6
HYD OIL
LEVEL SW
170-9376
FUEL LEVEL
SENSOR
163-6700
3E-7738
B
2
1
RD
BK
235-BK-18
487-OR-18
B
C
BR-18
T967-YL-18
SIGNAL
HYD OIL
FILTER SW
116-3660
GROUND
7
SIGNAL
A
B
B
B
C
A
YL-18
BK-18
BK-18
BR-18
YL-18
B
2
1
111-9916
CONT SOL
POWER SHIFT
147-PU
147-PU
A768-BU-18
A769-GY-18
K904-GN-18
235-BK-18
235-BK-18
PUMP DISCHARGE
PRESS. SENSOR1
157-3182
8
+B
GROUND
SIGNAL
GROUND
+B
PUMP DISCHARGE
PRESS. SENSOR2
157-3182
B
2
SOL
1
FLOW LIMIT
171-0188
M737-WH-18
M739-YL-18
9
B
200-BK
200-BK-18
200-BK-6
200-BK-6
132-1806
GROUND STRAP
ENG
5I-7746
B
877-YL-4
AIR HEATER
CHASSIS
0
1
WH
BK
ENG SPEED
PICKUP
178-6540
1
B
2
HYD OIL
TEMP SENDER
B
200-BK-18
C
11
BOOM LAMP RELAY
161-3128
645-RD-18
C
B
E
D
G
F
J
H
C
161-3128
C
CAB LAMP RELAY1
607-PK
607-PK
160-PU
616-BU
149-RD
646-RD-18
CHASSIS LAMP RELAY
A
CC
BK-00
BATTERY
3T-5760
BK-00
ATCH
BATTERY
3T-5760
(NOTE C)
HH (NOTE C)
SS
C
161-3128
C
HORN RELAY
161-3128
320-RD-18
646-RD-18
J709-GN
J709-GN
127-RD
322-GY
PP
C
161-3128
C
161-3128
200-BK-18
A588-GN
151-GN
189-RD
200-BK-18
NEUTRAL START RELAY
HYD LOCK SOL RELAY
114-RD
SW
154-0498
B
B
AIR CLEANER
430-BU-18
235-BK-18
235-BK-18
412-BU-18
1
2
POS
BB
NEG
RD-00
RD-00
AA
POS
POS
NEG
RD-00
GG (NOTE C)
RD-00
FF (NOTE C)
POS
J
ATCH
B
LOWER WASHER
7T-8890
MOTOR
WASHER
7T-8890
MOTOR
B
578-BU
200-BK-18
506-PU-18
200-BK-18
H
COOLANT
LEVEL SW
096-0744
NEG
NEG
RR
CAB LAMP RELAY2
161-3128
C
127-RD
615-YL
200-BK-18
307-OR
154-RD
127-RD
J709-GN
7N-0718
DISCONNECT SW.
7N-0719(NOTE C)
C
161-3128
CC
HH (NOTE C)
615-YL
200-BK-18
115-RD
J709-GN
CAB LAMP RELAY3
430-BU-18
235-BK-18
235-BK-18
200-BK-18
412-BU-18
200-BK-18
200-BK
200-BK
CHASSIS
A768-BU-18
A769-GY-18
M736-BU-18
K906-GN-18
308-YL
M736-BU-18
M736-BU-18
M736-BU-18
H476-WH-18
L972-BU-18
M736-BU-18
893-GN-18
892-BR-18
H474-GN-18
H475-BU-18
892-BR-18
893-GN-18
892-BR-18
892-BR-18
892-BR-18
892-BR-18
607-PK
322-GY
893-GN-18
893-GN-18
893-GN-18
616-BU
A718-PU-18
403-GN-18
309-GY-18
K776-GN-18
304-WH-8
109-RD-6
189-RD
A588-GN
L975-PK-18
877-YL-4
101-RD-4
151-GN
308-YL
200-BK-14
184-RD
893-GN-18
TILT MOTOR
000-0000
BJJ
MOTOR
506-PU-18
101-RD-4
CHASSIS
JJ
101-RD-4
200-BK-4
G
L22 L22
235-BK-18
430-BU-18
412-BU-18
235-BK-18
235-BK-18
506-PU-18
578-BU
200-BK
101-RD-4
L17
F
578-BU130-RD-14
306-GN
F774-WH-18
F773-OR-18
A769-GY-18
A768-BU-18
322-GY
A718-PU-18
616-BU
607-PK
E554-PK-18
L973-GN-18
309-GY-18
235-BK-18
189-RD
101-RD-4
109-RD-6
304-WH-8
877-YL-4
200-BK
101-RD-4
235-BK-18
K776-GN-18
L20
492-GY-18
A762-PU-18
788-YL-18
200-BK
235-BK-18
235-BK-18
403-GN-18
403-GN-18
403-GN-18
403-GN-18
403-GN-18
235-BK-18
235-BK-18
235-BK-18
235-BK-18
235-BK-14
200-BK-18
200-BK-14
200-BK-14
200-BK-14
235-BK
403-GN-18
235-BK-18
147-PU
147-PU
K906-GN-18
235-BK-18
200-BK-14
200-BK-14
200-BK-14
200-BK-18
403-GN-18
A761-PU-18
405-GY-18
491-PK-18
495-GN-18
496-WH-18
C468-BU-18
487-OR-18
K904-GN-18
T967-YL-18
403-GN-18
235-BK-18
763-BU-18
235-BK-18
K906-GN-18
A588-GN
200-BK-18
K857-WH-18
K856-PU-18
K868-BR-18
200-BK-18
K868-BR-18
K861-GN-18
K868-BR-18
K860-BU-18
M740-PK-18
235-BK-18
K868-BR-18
K868-BR-18
K868-BR-18
235-BK-18
A588-GN
235-BK
200-BK
200-BK
200-BK
235-BK
B
CHASSIS
235-BK-18
200-BK-18
235-BK-18
235-BK-18
235-BK-18
200-BK-14
200-BK-14
200-BK-14
200-BK-18
235-BK-18
TRAVEL SPEED
SOL
121-1491
SWING
BRAKE SOL
121-1491
SOL
121-1491
HYD LOCK
SOL
121-1491
TRAVEL STRAIGHT
235-BK-14
M737-WH-18
763-BU-18
M740-PK-18
788-YL-18
A762-PU-18
M739-YL-18
235-BK
K868-BR-18
K856-PU-18
321-BR-18
K860-BU-18
K861-GN-18
235-BK-14
K857-WH-18
E
B
2
B
1
2
K906-GN-18
235-BK-18
235-BK-18
1
B
2
B
1
2
235-BK-18
M740-PK-18
200-BK-18
A588-GN
763-BU-18 1
D
492-GY-18
B
1
B
2
2
1
K868-BR-18
K856-PU-18
K868-BR-18
K857-WH-18
403-GN-18
101-RD-4
304-WH-8
E554-PK-18
101-RD-4
200-BK
492-GY-18
A718-PU-18
309-GY-18
K776-GN-18
109-RD-6
STEM 2
STEM 1
111-9916
111-9916
STEM 1
STEM 2
111-9916
111-9916
CONT SOL (B)
CONT SOL (B)
200-BK-18
1
B
2
A718-PU-18
492-GY-18
235-BK-18
CONT SOL (A)
CONT SOL (A)
309-GY-18
109-RD-6
K776-GN-18
403-GN-18
200-BK-6
200-BK-18
200-BK-18
200-BK-18
1
2
B
E554-PK-18
1
B
B
2
K861-GN-18
K868-BR-18
2
K868-BR-18
1K860-BU-18
T
B
T
AIH COOLANT
TEMP SENSOR
170-9486
5I-7578
SENDER
COOLANT TEMP
C
B
B
P
E
R
ALT
L
ALTERNATOR
5I-8085
(50A)
B
A/C CLUTCH
SOL
176-1895
B
RD-00
RD-00
101-RD-4
101-RD-4
235-BK-18
B
405-GY-18
235-BK-182
B
1
B
C468-BU-18
11
189-RD
5
4
3
2
8
7
1
200-BK-18
A761-PU-18
F773-OR-18
F774-WH-18
M736-BU-18
308-YL6
S
BAT
G
MTR
MOTOR
STARTER
MOTOR
125-2988
ENG OIL SW
ENG OIL
5I-8005
170-9376
LEVEL SW
A
F/B
GND
ESS
GND
+B
ACCEL
DECEL
2
1
ENG GOV
ACTUATOR
157-3177
KEY
FF (NOTE C)
AA
304-WH-8
403-GN-18
GROUND STRAP
167-3583
235-BK-18
E554-PK-18
788-YL-18
A762-PU-18
200-BK-18
492-GY-18
A718-PU-18
200-BK-18
200-BK-18
200-BK-18
405-GY-18
C468-BU-18
M736-BU-18
F774-WH-18
F773-OR-18
A761-PU-18
200-BK-18
309-GY-18
A762-PU-18
788-YL-18
235-BK-18
235-BK-18
K776-GN-18
892-BR-18
893-GN-18
235-BK-18
308-YL-18
ET CONN
E H-2170-6953
170-6959
J-7
J-7
G-8
163-6751 G-8EE
DD G-8
G-8
G-8
G-8
RR
J-2
163-6780
163-6753
D
PP
NN 111-4829
163-6757MM
LL 163-6755
163-6754KK
C G-9186-4513
186-4532 G-5B
JJ G-12186-4548
WIRE AS.
HH J-12170-9331
116-0080 J-12GG
FF B-12170-9364
163-6775 J-12CC
BB
A G-5186-4533
GY
PU
BR
RED
WHITE
ORANGE
YELLOW
PINK
ABBREV COLOR
BLACK
GRAY
PURPLE
BROWN
DESCRIPTIONSYMBOL
CONNECTOR
ELECTRICAL CONNECTION
TO MACHINE STRUCTURE
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
BLADE, SPADE, RING,
OR SCREW TERMINAL
BK
PK
YL
200-BK
615-YL
Y/G
Y/W
615-YL
200-BK
CDL -
7
6
5
1
4
3
2
H
8
ATCH UNDER
WINDOW LIMIT SW
129-6466
WINDOW LIMIT SW
117-6306
GND
LIGHT
CDL +
+B
+12V
ACC
CAB LAMP
135-0550
L
MONITOR
157-3198
A/C PHOTO
SENSOR
167-7083 (NOTE E)
MOTOR
L
F
F
(NOTE C)
(NOTE C)
186-4531V F-1
V
V
L3
OR
WH
RD
GN
BU
GREEN
BLUE
1
2
3
4
5
6
CIRCUIT CONNECTED
CIRCUIT NOT CONNECTED
ATCH WIRE, CABLE,
COMPONENT
L#
CIRCUIT GROUPING
DESIGNATION
IDENT PART NO. LOC
HARNESS AS.
GOLD TERMINAL
607-PK
105-RD
307-OR
326-RD
A537-PK-18
2
1
200-BK-18
200-BK-18
A758-BR-18
A757-GY-18
A756-BU-18
A755-PK-18
5
4
3
2
1
308-YL
235-BK-18
L972-BU-18
235-BK-18
YL
6
K847-PU-18
K843-GN-18
E473-GY-18
E
E
E
E
E
E
ATCH
STICK LAMP
135-0550
K851-BU-18
235-BK-18
H473-BR-18
235-BK-18
235-BK-18
K852-GN-18
K849-YL-18
235-BK-18
ATCH
STRAIGHT TRAVEL
PRESS. SW
167-3466
A
1
2
ATCH
MEDIUM LINE
PRESS. SW
167-3466
1
2
A
ATCH
HAMMER
PRESS. SW
167-3466
1
2
2
235-BK-18
235-BK-18
1
A
A
G-10
200-BK
200-BK
615-YL
615-YL
L
L
2
1
IND UNIT
163-6702
ATCH SEAT WITH
SEAT HEATER
164-0505
+B
L. CHASSIS
ONE TOUCH
LOW IDLE SW
128-2134
S4
1
2
2
1
S3
H474-GN-18
1
2
575-YL-18
576-PK-18
H475-BU-18
S2
S1
COM
KEY SW
9G-7641
THROTTLE
POS SW
106-0107
R
C
S
B
OFF
ON
ST
200-BK-18
2
4
1
3
535-BU
TRAVEL LEFT
PRESS. SW
167-3466
A
A
TRAVEL RIGHT
PRESS. SW
167-3466
1
2
235-BK-18
A
2
1
ATCH LOWER
WIPER MOTOR
167-7079
+
S +1
-
MOTOR
CAB LAMP
135-0550
B-2S 138-5185
186-4534R G-5
C-2P 143-1593
138-5188N C-2
C-2
235-BK-18
E472-GN-18
CAB LAMP
135-0550
M 163-6750
167-3456L
200-BK
F-1
D-5K 167-3527
J J-6
E-1H 163-6810
170-6828
615-YL
FF
V
V
V
V
A-5U 167-3455
T J-6
CAB LAMP
135-0550
G
F-5F 186-4542
J-12116-0080
G-1
615-YL
200-BK
CABLE AS.
163-6774
163-6752
ATCH
AUX HYD
PRESS. SW
167-3466
CONSOLE(RH)
SS
(NOTE D)
G
ATCH
STICK LAMP
135-0550
170-9478
B-12AA
(NOTE C)
B
C
D
E
A
F
G
H
J
1
1
GN
RD
WH
BK
BR
YL
GN
WH
GY
BU
BR
BU
GY
WH
BR
GRAPPLE SW
(OPEN)
ROTATE SW
(CW)
RD
BK
WH
BR
GRAPPLE SW
(CLOSE)
ROTATE SW
(CCW)
NOTE D: USE WITH 12V 7A X 2 CONVERTER
.
UNLESS OTHERWISE SPECIFIED ALL WIRE IS 16 GAUGE.
COMPORNENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY ON AND ENGINE OFF.
THIS SCHEMATIC IS FOR THE 320C FORESTRY EXCAVATOR.
NOTE E: NOT USE WITH HEATER UNIT.
320C (FOREST) 183-1070 HE 00
NOTE B: NOT USED ON THIS VEHICLE.
NOTE A: WIRE PAIRS MUST BE TWISTED AT LEAST
1 TURN PER 25MM.
NOTE C: USE WITH COLD WEATHER.