Caterpillar 980H JMS Series Electrical Schematic

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EC-C1

RENR8682-05 January 2015

980H Wheel Loader  Electrical System MHG1-UP A8J1-UP JMS1-UP

COMPONENT LOCATION Volume 1 of 2 - CAB Schematic Location

Machine Location

Schematic Location

Machine Location

 Alarm - Action

G-14

A

Sensor - Left Hand Brake Pedal

E-4

16

 Alarm - Implement Audible Alert

G-14

A

Sensor - Lift Lever Position

I-6

15

 Arc Suppressor - Implement POD

K-7

D

Sensor - Throttlle Position

H-4

17

Breaker - HVAC Bl ower Power 

B-14

A

Sensor - Tilt Lever Position

I-6

15

Bulkhead Passthrough

 A-11

A

Solenoid - Lift Lever Lift Detent

K-7

D

Control - Caterpillar Monitoring System

C-4

1

Solenoid - Lift Lever Lower Detent

K-7

D

Control - Dimmer 

B-7

2

Solenoid - Rackback Detent

K-6

D

Control - Implement Control System

D-18

B

Switch - Auto/Manual Gear Select

D-7

D

Control - Machine Security System

G-15

B

Switch - Autodig Kickout Set

B-8

D

Control - Payload Control System

C-5

3

Switch - Autodig Mode

B-9

D

Control - Product Link (Gateway)

L-10

4

Switch - Autodig Mode Select

 A-8

D

Control - Transmission Control S ystem

L-18

A

Switch - Autodig Trigger 

J-6

D

Converter - Voltage (10A)

I-15

2

Switch - Beacon

E-2

D

Display - Groeneveld Autolube

D-4

5

Switch - Blower Fan Speed

F-7

D

Filter - Machine Security System Antenna

G-15

6

Switch - Cat Mon Sys Mode Select

E-7

D

Flasher - 24V

F-14

2

Switch - Fine Modulation

I-7

D

Fuse - Block

B-14

7

Switch - Forward Horn

F-2

D

Fuse - Thermal Cut Out

K-15

C

Switch - Forward Horn 2

J-6

D

Guage - Quad

G-4

8

Switch - Front Intermittent Wiper/Washer 

E-7

D

Indicator - Center Dash

H-4

9

Switch - Hazard Lamp

F-2

D

Indicator - Left Hand Panel

I-4

10

Switch - Heated Mirror 

D-8

D

Indicator - Right Hand Panel

H-4

11

Switch - HID Lamp

I-2

D

Joystick - Implement Control

L-7

D

Switch - HVAC Temperature Select

E-7

D

Keypad - WLPCS

B-5

11

Switch - Implement Function Select

I-7

D

Monitor - Rear Vision

 A-5

12

Switch - Implement Lockout

J-7

D

Motor - Blend Door Actuator 

L 15

C

Switch - Key Start

D2

D

Component

 

 

Component

 

COMPONENT LOCATION Volume 2 of 2 - CHASSIS AND ENGINE Schematic Location

Machine Location

Schematic Location

Machine Location

 Alarm - Backup

C-8

1

Sensor - Oil Pressure

E-12

7

 Alternator 

H-15

2

Sensor - Tilt Position

L-1

21

 Arc Suppressor 

D-16

2

Sensor - Torque Converter Temperature

E-15

22

 Arc Suppressor 

K-16

3

Sensor - Trans. Output Speed

H-5

23

Batteries

G-14

4

Sensor - Transmission Input Speed

I-5

23

Block Asm.

H-14

5

Sensor - Transmission Oil Temperature

I-5

24

Breaker - Alternator 

J-17

3

Sensor - Turbo Inlet Pressure

H-8

25

Breaker - Belly Guard Actuator 

L-17

3

Sensor - Turbo Outlet Pressure

E-12

26

Breaker - Hood

J-17

3

Solenoid - A/C Clutch

C-16

17

Breaker - Main

J-17

3

Solenoid - Aux Lift Prop

H-1

27

Breaker - Running Lamp

L-17

3

Solenoid - Aux Lower Prop

H-1

27

Breaker - Start

K-17

3

Solenoid - Axle Oil Cooler Clutch

L-8

27

Breaker - Unswitched Bus (Cab)

K-17

3

Solenoid - Dump Prop

H-1

27

Camera - Rear View

 A-10

6

Solenoid - Lift Prop

H-1

27

Control - Engine

B-18

7

Solenoid - Lower Prop

H-1

27

Diode - Hood Actuator Control

K-11

8

Solenoid - On / Off Pilot

H-2

27

Motor - Autolube Pump

C-6

9

Solenoid - Rack Back Prop

H-2

27

Motor - Front Washer 

D-9

10

Solenoid - Reversing Fan

F-9

17

Motor - Fuel Priming Pump

B-13

11

Solenoid - Start Aid

H-8

25

Motor - Hood Actuator 

K-11

8

Solenoid - Variable Speed Fan

D-15

17

Motor - Rear Washer 

C-9

10

Solenoids - Belly Actuator 

J-14

28

Motor - Starter 

G-15

12

Solenoids - Cylinder Head ( 1 - 6)

B-14

29

Relay - Main

J-16

3

Solenoids - Ride Control

K-2

30

Relay - Start

K-16

3

Solenoids - Trans. Clutch

H-6

31

I-2

13

Switch - A/C Refrigerant

D-16

17

Switch - Autolube Pressure

D5

9

Component

Sender - Front Axle Oil Temperature Sender - Fuel Level

Component

CONNECTOR LOCATION Volume 1 of 2 - CAB Schematic

Machine

Location

Location

CONN 1

E-18

A

CONN 2

G-18

A

CONN 3

H-18

A

CONN 4

H-18

A

CONN 5

E-14

B

CONN 6 Service Mode Plug

G-14

7

CONN 7

H-14

32

CONN 8

I-14

2

CONN 9

K-14

C

CONN 10

L-13

4

CONN 11 Groeneveld Autolube Service To

F-12

33

CONN 12

J-9, L-9

34

CONN 13

J-9, L-9

34

CONN 14

I-9

4

CONN 15

 A-7

36

Connector Number 

CONNECTOR LOCATION Volume 2 of 2 - CHASSIS AND ENGINE Schematic

Machine

Location

Location

CONN 1

D-4

50

CONN 2

F-4

50

CONN 28 Aux. Start Receptacle

H-13

51

CONN 29

 A-12

11

CONN 3

G-4

50

CONN 30

B-12

11

CONN 31

C-12

52

CONN 32 Timing / Calibration Probe

D-12

7

CONN 33

E-12

17

CONN 34

E-11

53

CONN 35

E-11

53

CONN 36

B-9

54

CONN 37

B-8, B-9

54

CONN 38

B-9

55

CONN 39

C-8, C-9

55

CONN 4

H-4

50

CONN 40

E-9

10

CONN 41

L-9

56

CONN 42

L9

57

Connector Number 

CID / MID / FMI Volume 1 of 2 - CAB Page 1 of 2 Component Identifiers (CID¹) Module Identifier (MID²) Caterpillar Monitoring System (MID No. 030) CID

Electronic Implement Control (MID No. 082)

Component

0096

Fuel Level Sender  

0100

Engine Oil Pressure Sensor  

0 11 0

En gi ne C oo la nt T em pe ra tu re Se ns or  

0 17 7

To rq ue Co nve rt er Oil Tem pe rat ur e Se ns or  

0248

Data Link

0263

Sensor Power Supply

0271

Action Alarm

0324

Action Lamp

0600

Hydraulic Oil Temper at ure Sensor  

0819

Display Data Link

0821

Display Power Supply

0826

T/C Oil Temperature Sensor  

0830

Brake Oil Temperature Sensor  

Payload Control System (MID No. 074) CID

Component

CID

Component

0168

Electrical System Voltage

0268

Programmed Parameter Fault

0296

Transmission Control

0350

Lift Linkage Position Sensor  

0351

Tilt Linkage Position Sensor  

0352

Lift Lever Position Sensor  

0353

Tilt Lever Position Sensor  

0354

Raise Solenoid

0355

Lower Solenoid

0356

Dump Solenoid

0357

Rackback Solenoid

0358

Pilot Pressure Solenoid

0359

Raise Detent Electromagnet

0360

Lower Detent Electromagnet

0361

Rackback Detent Electromagnet

0168

Electrical System Voltage

03 64

L if y Cy li nde r H ea d En d Oi l P re ss ur e Se nso r  

0254

Electronic Control Module

0365

Kickout Set Switch

0350

Lift Linkage Position Sensor  

0487

3rd Lever Position Sensor  

0 36 4

Li ft Cy li nd er He ad En d Pr es su re Sen sor  

0489

I mplement Function Select Switch

0 76 9

Li ft Cy li nd er Ro d En d Pr es sur e Se ns or  

0490

Implement Lockout Switch

0818

ECM Internal Backup Battery

0491

3rd Function For ward Solenoid

0820

Keypad Data Link

0492

3rd Function Rearward Solenoid

0562

Cat er pillar Monit or ing System

0590

Engine Electronic Cont rol Module

0591

Internal Memory

0650

H

Electronic Transmission Control System (MID No. 081) CID

Component

C d

CID / MID / FMI Volume 1 of 2 - CAB Page 2 of 2

Failure Mode Identifiers (FMI)¹ FMI No.

Failure Description

0

Da ta v al id bu t a bo ve n or ma l o pe rat io na l r ang e.

1

Da ta v al id bu t b el ow n or ma l o pe ra tio na l r an ge .

2

Data er ratic, 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 cir cuit.

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

CID / MID / FMI Volume 2 of 2 - CHASSIS AND ENGINE Component Identifiers (CID¹) Module Identifier (MID²) Engine Control System (MID No. 036) CID

Component

0001

Fuel Injector Solenoid #1

0002

Fuel Injector Solenoid #2

0003

Fuel Injector Solenoid #3

0004

Fuel Injector Solenoid #4

0005

Fuel Injector Solenoid #5

0006

Fuel Injector Solenoid #6

0041

ECM 8V DC Supply

0091

Throttle Sensor  

0094

Fuel Pressure Sensor  

0100

Oil Pressure Sensor  

01 10

En gin e Coo la nt Te mp er at ur e Sen so r  

0168

Electrical Power Supply

0

Da ta v ali d bu t a bo ve n or mal o pe rat ion al r ang e.

01 72

I nt ak e M an if old Air Te mp er at ur e Sen sor  

1

Da ta v ali d bu t b el ow n or ma l o pe ra tio na l r ang e.

0174

Fuel Temperature Sensor  

2

Data err atic, intermittent , or incorrect .

0190

Engine Speed Sensor  

0253

Personality Module

3

Voltage above normal or shorted high.

0261

Engine Speed Sensor  

4

Voltage below normal or shorted low.

0262

5 Volt Sensor Supply

5

Current below normal or open circuit.

0267

Engine Shutdown Switch

6

Current above normal or grounded circuit.

0268

Check Programmable Parameters

7

Mechanical system not responding properly.

8

Abnormal frequency, pulse width, or period.

Failure Mode Identifiers (FMI)¹ FMI No.

Failure Description

0274

Atmospheric Pressure Sensor  

0275

Right Turbo Inlet Pr essure Sensor  

9

Abnormal update.

0291

Engine Cooling Fan Solenoid

10

Abnormal rate of change.

0296

Transmission ECM

11

Failure mode not identifiable.

0342

Camshaft Position Sensor  

12

Bad device or component.

0485

Engine Fan Reversing Solenoid

13

Out of calibration

WIRE DESCRIPTION Volume 1 of 2 - CAB Page 1 of 2 Wire Wire Color Number 

Description

Wire Wire Color Number 

Power Circuits

Description Lighting Circuits

102

RD

Running / Hazards Lamps Power

606

GY

104

YL

Product Link / MSS Pwr(Switched)

608

GN

RH Turn Lamps Rear Flood Lamps

105

RD

Key Switch Power

610

OR

Running Lamp Dimmer  

106

WH

Lift / Tilt Pos Sensor Power

611

PU

Headlamps (High)

108

BU

Seat Power

614

PU

License PL / RH Tail / Dash Lamps

110

GN

Aux Ckt

615

YL

Forward Cab Floodlamps

112

PU

Main Relay Output Power

617

BR

LH Tail / Clearance Lamps

113

OR

EMS ECM Power

619

GN

Forward Flood / Lo Beam Lamps

114

RD

Forward Horn Power

633

BU

Bucket Lamps

115

PK

Voltage Conv 24v Radio Power

646

OR

Forward Cab Floodlamps

118

GY

Front Rear Wiper Wash Power

647

GN

Rear Floodlamps

120

RD

Voltage Conv Memory

651

PK

Rear Rops Hid Lamps

121

RD

Voltage Conv Memory (Attch)

661

GN

Dimmer Tachometer Lamp

122

RD

Dome Lamps Power

662

YL

Dimmer Speedometer Lamp

124

GN

HVAC Power

663

GY

Dimmer Gage Lamps

125

RD

Voltage Conv Mem Output(12 Volts)

691

GY

24V Flasher Key Sw In

126

PK

Neutralizer Override Pwr

A629

BU

Front Rops Hid Lamps

127

OR

Front Cab Floodlamps Power  

130

RD

Stoplamp / Backup Alarm Power

E701

PK

Auto Ride Control Sw.

131

BR

Turn Signal Flasher Power

E707

GN

PCS Display +V

132

PK

Center Dash Ind Pnl Pwr

E708

PK

PCS Display Clock

133

OR

LH / RH Dash Ind Pnl Pwr

E735

PU

Operator Sw In

134

YL

Rear Machine Floods Power

E759

WH

Prelube Indicator  

135

BU

12V Accessory Power

G746

WH

LH Pedal Pos Sensor (Signal)

136

GN

Secondary Steering Power

G750

BU

Xmsn Forward Sw

138

GN

PCS Power

G755

GY

Xmsn Reverse Switch

139

RD

LH Tail Clearance Lamps Power

G760

WH

Upsh Sw (N/O) / (2nd Gear) Downsh Sw (N/C) / (3rd Gear)

Control Circuits

141

PK

Beacon Power

G761

YL

142

BU

Communications Radio Power

G762

BR

Downsh Sw (N/O) / (4th Gear)

146

GY

Implement Ecm Power

G763

PU

Neutral Sw

147

RD

ECAP Power

G764

PK

Parking Brake Sw (On)

WIRE DESCRIPTION Volume 1 of 2 - CAB Page 2 of 2 Wire Number 

Wire Color

Description Monitoring Circuits

Wire Number 

Wire Color

J887

PU

Rear Axle Pump Drive Div Rly Autodig Material Sel S1

Description Lighting Circuits

403

GN

Alternator R Term

T852

PK

410

WH

Action Alarm

T853

PU

Autodig Material Sel S2

411

PK

Action Indicator Lamp

T854

GN

Autodig Material Sel S3

416

OR

Sec Steer Press Sw (N/O)

T855

BR

Autodig Material Sel S4

417

GY

Primary Steer Press Sw (N/O)

T856

WH

Autodig Mode Sel Sw (N/O)

419

YL

Parking Brake Sw Off

T857

YL

Autodig Mode Sel Sw (N/C)

426

BR

Xmsn Filter Bypass Sw

T858

OR

Final Link Pos Sw (N/O)

430

BU

Air Filter Restricted Ind

T859

PU

Final Link Pos Sw (N/C)

432

PK

Brake Oil Press Sw (on)

T860

PK

Autodig Trigger Sw (N/O)

436

OR

Xmsn Filter Bypassed Ind

T861

GY

Autodig Trigger Sw (N/C)

439

YL

Lamp Indicator

T862

BU

Autodig Trigger Indicator  

442

GY

Hyd Oil Tank Temp Sensor

T863

PU

Autodig Rec Indicator  

443

YL

Tc Outlet Temp Sensor

T864

BR

Autodig Auto Indicator  

447

PK

Fuel Level Sensor

T865

GY

Dump Detent Sol

450

YL

Engine Ecm (Engine Speed)

T866

YL

Implement Audible Alert

453

PK

Sec Steer Press Sw (N/O)

T869

WH

Fine Modulation Sw (N/O)

484

YL

Primary Steer Press Sw (N/C)

T870

BR

Fine Modulation Sw (N/C)

496

WH

Hyd Oil Tank Level Sensor

900

PU

Clutch 5 Sol 2nd

C413

YL

Ems Ecm Display Data

901

WH

Clutch 6 Sol First

C414

BU

Ems Ecm Load

910

YL

Neutralizer Disable Indicator  

E416

PU

Rod End Press Sensor

944

OR

Cat Data Link+

E455

BR

Hyd Filter Bypass Sw

945

BR

Cat Data Link-

G479

WH

Service Engine

951

PK

MSS Led Return

G480

GN

Fuel Level Indicator

953

GY

Impl ECM Return

G485

BU

Front Axle Oil Temp Sw

962

OR

Xmsn ECM Return

G486

GN

Rear Axle Oil Temp Sw

973

BR

Auto / Man (Manual)

975

WH

Xmsn ECM Solenoid / Ind Return

500

BR

Front Wiper (Park)

976

OR

Ride Control On Solenoid

501

GN

Front Wiper (Low)

977

YL

Auto / Man (Auto 4)

502

OR

Front Wiper (High)

A982

BR

Engine ECM Throttle / Ind 8V

503

BR

R

E900

WH

X

Accessory Circuits

Wi

(P k)

O t

tS

dS

L

di

+

WIRE DESCRIPTION Volume 2 of 2 - CHASSIS AND ENGINE Page 1 of 2 Wire Number 

Wire Color

102

RD

104

YL

Wire Number 

Wire Color

Hd Lmp

615

YL

Cab Flood Lamp/rops

MSS/Product Link

617

BR

Tail/position Lamp - Left (Road Pkg)/Width Head Lamp Low

Description Power Circuits

Description Lighting Circuits Cont.

105

RD

Key Sw

619

GN

106

WH

Tilt/Lift Position Sensors

633

BU

Attach Lighting Ckt

108

RD

Air/Heated Seat

646

OR

Light Sw To Front Flood Relay

110

RD

Engine ECM

647

GN

Light Sw To Rear Flood Relay

112

PU

Main Power Rly Output

651

PK

Flood Lamp Rear  

113

OR

Monitor Panel B+ Switched

661

GN

Tachometer Lamp

114

RD

Warning Horn (forward)

662

YL

Speedometer Lamp

115

PK

Voltage Converters

663

GY

Gage Lamps

118

GY

Front/Rear Wiper/Washer

120

RD

Voltage Converter Memory

121

RD

Back Alarm To Lamp

691

GY

Warning Lights To Bkr  

A629

BU

Front Rops Hid Flood Attachment Control Circuits

122

RD

Dome Lamps

709

OR

Sensor Power Supply

124

GN

A/C

720

PU

Xmsn Brake Sw

125

RD

Product Link

751

GN

Xmsn Shift Sol No. 1 Or 3

126

PK

Xmsn Ctrl

752

YL

Xmsn Shift Sol No. 2

127

OR

Front Cab Floodlamps

754

BU

Xmsn Shift Sol No. 3 Or 1

130

RD

Stop Lamps

755

OR

Xmsn Shift Sol No. 4 Or 5

131

BR

Flasher/ Front/Rear Flood Relays

E701

PK

Auto Ride Cntl Sw

132

RD

Center Indicator Panel

E707

GN

Monitor Display +v

133

OR

Left/Right Indicator Panels

E708

PK

Monitor Display Clock

134

YL

Rear Cab Floodlamps

E735

PU

Monitor Tack/Serv Mtr/Odometer Select

135

BU

Converter Power Out

E759

WH

Prelube Indicator  

138

GN

Auto Lube Pump To Payload Mon

G746

WH

Xmsn Cont Torque Limit

139

RD

LH Tail/Clearance Lamps

G750

BU

Xmsn Cont Fwd Sw To Gnd

141

PK

Beacon/Heated Mirrors

G755

GY

Xmsn Cont Rev Sw To Gnd

142

BU

Converter Power Out

G760

WH

Xmsn Cont Speed 2 Sw To Gnd

146

GY

Implement Control

G761

YL

Xmsn Cont Speed 3 Sw To Gnd Xmsn Cont Speed 4 Sw To Gnd

147

RD

ECAP/Autolube

G762

BR

150

OR

Bat (+)

G763

PU

Xmsn Cont Neut Sw To Gnd

151

GN

Axle Oil Cooler/Autolube

G764

PK

Xmsn Cont Pk Brk Lever Sw To Gnd

164

WH

Transmission ECM/LH Brake Pedal Sensor

G766

GN

Impl Cont Sw To Gnd N.O.

168

GN

Quick Coupler/Autodig Alarm

G767

WH

Impl Cont Sw To Gnd N.C.

WIRE DESCRIPTION Volume 2 of 2 - CHASSIS AND ENGINE Page 2 of 2 Wire Number 

Wire Color

Wire Number 

Wire Color

439

YL

Lamp Indicator

T857

GN

442

GY

Hyd System Temp Gage

T858

GY

Injector High Side

443

YL

Power Train Temp Gage

T859

WH

Injector High Side

447

PK

Fuel Level Gage

T860

OR

Injector High Side

450

YL

Tach Sender (+)

T861

YL

Fuel Temp

453

PK

Suppl Ster Fault Lamp

T862

BU

Injector Spill High Side

484

YL

Primary Ster Lamp

T863

PU

Injector Spill High Side Injector Spill High Side

Description Monitoring Circuits

Description Control Circuits Valve Actuator Common

496

WH

Hyd Oil Level

T864

BR

C413

YL

Vmis Display Data

T865

GY

Side Dump Detent Solenoid

C414

BU

Vmis Display Load

T866

YL

Autodig Audible Alarm

E416

PU

Lift Cyl Press Sensor

T869

WH

Fine Modulation Sw 1

E455

BR

Hydraulic Oil Filter

T870

BR

Fine Modulation Sw 2

G479

WH

Service Engine

900

PU

Xmsn Shift Sol No. 5 Or 4

G480

GN

12 Volt (fuel Indicator)

901

WH

Xmsn Shift Sol No. 6

G485

BU

Front Brake Temperature

910

YL

Xmsn Neutizer Override Indicator  

G486

GN

Rear Brake Temperature Accessory Circuits

944

OR

Cat Data Link +

945

BR

Cat Data Link -

951

PK

Machine Security System LED Implement Digital Return

500

BR

Wiper - Front (park)

501

GN

Wiper - Front (low)

953

GY

502

OR

Wiper - Front (hi)

962

OR

Transmission ECM Sensor Return

503

BR

Wiper - Rear (park)

973

BR

Auto/Manual Switch (Manual)

504

YL

Wiper - Rear (low)

975

WH

Transmission Solenoids Return

505

BU

Wiper - Rear (hi)

976

OR

Ride Cont Solenoid 1

506

PU

Washer - Front

977

YL

Cst Autoshift- Auto/manual Sw 1

507

WH

Washer - Rear

A982

BR

Eng Throttle Cont

508

PU

Radio Speaker - Left

E900

WH

Trans Output Spd +

509

WH

Radio Speaker - Left (Commom)

E901

GN

Trans Output Spd -

511

BR

Radio Speaker - Right

E906

OR

Trans Output Spd Q+

512

GN

Radio Speaker - Right (Common)

E907

GY

Trans Output Spd Q-

515

GY

Blower Motor (Hi)

E908

BR

Trans Input Spd +

516

GN

Blower Motor (Medium)

E909

WH

Trans Input Spd -

517

BU

Blower Motor (Low)

E917

WH

Implement Lockout Sw To Gnd (N.O.)

518

OR

Hazard Flasher To Sw

E918

GN

Implement Lockout Sw To Gnd (N.C.)

521

YL

A/C S

E919

YL

A

T R fi

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L

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SPECIFICATIONS AND RELATED MANUALS Volume 1 of 2 - CAB

Related Electrical Service Manuals Title

Form Number 

Machine Security System:

RENR2462

Product Link Radio:

RENR7911

Power Train Control:

RENR8666

Implement Control:

RENR8678

Caterpillar Monitoring System:

SENR1394

Payload Control System:

SENR6614

Resistor, Sender and Solenoid Specifications Part No.

Component Description

130-9811

Sender:

152-8340

Solenoid:

Front Axle Oil Temperature Rear Axle Oil Temperature Reversing Fan

168-6452

Solenoid:

Axle Oil Cooler Clutch

Resistance (Ohms)¹ 499 32.6 ± 1.6 9.4 ± 5.0

 Aux Lift Raise Prop  Aux Lower Prop Dump Prop 174-4913

Solenoids:

Raise Prop Lower Prop

8.7 ± 0.4

Rackback Prop Ride Control #1 Ride Control #2 183-7595

Solenoid:

200 1138

Sender:

Variable Speed Fan Fuel Level

5.0 ± 0.3 Empty: 95 ± 3.0

SPECIFICATIONS AND RELATED MANUALS Volume 2 of 2 - CHASSIS AND ENGINE

Related Electrical Service Manuals Title   Alternator: Electric Starting Motor:

Form Number  177-9953 (Denso HDB 80A) 197-8820 (Denso HDB 95A) 237-1962 (Delco 50 MT)

Engine Control:

SENR4130 SENR3860 RENR5033

Resistor, Sender and Solenoid Specifications Part No.

Component Description

130-9811

Sender:

152-8340

Solenoid:

Front Axle Oil Temperature Rear Axle Oil Temperature Reversing Fan

168-6452

Solenoid:

Axle Oil Cooler Clutch

Resistance (Ohms)¹ 499 32.6 ± 1.6 9.4 ± 5.0

 Aux Lift Raise Prop  Aux Lower Prop Dump Prop 174-4913

Solenoids:

Raise Prop Lower Prop

8.7 ± 0.4

Rackback Prop Ride Control #1 Ride Control #2 183-7595

Solenoid:

200-1138

Sender:

Variable Speed Fan Fuel Level

5.0 ± 0.3 Empty: 95 ± 3.0 Full: 1.75 ± 1.75

HARNESS and WIRE Electrical Schematic Symbols Symbols

T

Pressure Symbol

Temperature Symbol

Level Symbol

Flow Symbol

Circuit Breaker  Symbol

Symbols and Definitions Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it. Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component has screw terminals and a wire can be disconnected from it. Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot be disconnected from the component. Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine.

Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine. 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 r eed switch.

T

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.

MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS - CAB VIEW ALL CALLOUTS

33

7

C

14

4

10

9

16

39

37

41

5

8

13

MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS - CAB VIEW ALL CALLOUTS

33

C

7

 A

36

14

2

 A

C

4

B

32 14

10

D

9

D 11

16

34 9

39

3 12

37

1 1

12 39

41

40

5

8

13

15

11

6

40

17

3

5

7

10

33

36

2

B

32

34

4

15

16

37

17

41

13

8

6