GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Engine Controls Connector End Views

Engine Controls Connector End Views P32

Table 1: Accelerator Pedal Position (APP) Module
Table 2: Boost Pressure Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Engine Shut Off (ESO) Solenoid
Table 6: Fuel Heater
Table 7: Fuel Lift Pump
Table 8: Fuel Pump Relay
Table 9: Fuel Sender
Table 10: Fuel Solenoid Driver
Table 11: Glow Plug Controller
Table 12: Glow Plug Relay
Table 13: Injection Timing Stepper Motor
Table 14: Intake Air Temperature (IAT) Sensor
Table 15: Optical Fuel Temperature Sensor
Table 16: Park/Neutral Position (PNP) Switch Relay
Table 17: Park/Neutral Position (PNP) and Backup Lamps Switch Connector C1
Table 18: Park/Neutral Position (PNP) and Backup Lamps Switch Connector C2
Table 19: Transmission Input Speed Sensor (TISS)
Table 20: Transmission Output Speed Sensor (TOSS)
Table 21: Vehicle Speed Sensor Calibrator
Table 22: Wastegate Solenoid
Table 23: Water In Fuel Indicator Sensor

Accelerator Pedal Position (APP) Module


Object Number: 280766 Size: CH

Connector Part Information
    • 12065425
    • 10 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Electronic Throttle-Pedal Position Return 1

B

PPL

719

Electronic Throttle-Pedal Position Return 2

C

PPL

486

Electronic Throttle-Pedal Position Signal 2

D

GRY

597

Electronic Throttle-Pedal Position 5V Ref 2

E

GRY

596

Electronic Throttle-Pedal Position 5V Ref 3

F

DK GRN

485

Electronic Throttle-Pedal Position Signal 1

G

GRY

598

Electronic Throttle-Pedal Position 5V Ref 1

H

--

--

Not Used

J

GRY

720

Electronic Throttle-Pedal Position Return 3

K

YEL/BLK

487

Electronic Throttle-Pedal Position Signal 3

Boost Pressure Sensor


Object Number: 280779 Size: CH

Connector Part Information
    • 12103771
    • 3 Way M Weather-Pack (WHT)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Sensor Return

B

LT GRN

432

Manifold Absolute Pressure Sensor Signal

C

GRY

416

Reference Voltage Feed-5 Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

573

Crankshaft Position Sensor Signal

B

BLK

452

Sensor Return

C

GRY

416

Reference Voltage Feed-5 Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831 Size: CH

Connector Part Information
    • 12162195
    • 2 Way F Metri-Pack 150.2 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

410

Coolant Temperature Sensor Signal

B

BLK

452

Sensor Return

Engine Shut Off (ESO) Solenoid


Object Number: 333039 Size: CH

Connector Part Information
    • 12052644
    • 2 Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

259

Engine Shutoff Solenoid Output

B

PNK

339

Fuse Output-Ignition 1-Type III Fuse

Fuel Heater


Object Number: 295500 Size: CH

Connector Part Information
    • 12020397
    • 3 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

--

--

Not Used

C

PNK

539

Fuse Output-Ignition 1-Type III Fuse

Fuel Lift Pump


Object Number: 38281 Size: CH

Connector Part Information
    • 12059473
    • 2 Way M Weather-Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

GRY

120

Fuel Pump Motor Feed

Fuel Pump Relay


Object Number: 39685 Size: CH

Connector Part Information
    • 12110539
    • 5 Way F Metri-Pack 280 Series, Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

30

GRY

120

Fuel Pump Motor Feed

85

DK GRN/WHT

465

Fuel Pump Relay Feed-Coil

86

BLK

450

Ground

87

ORN

440

Fuse Output-Battery-Type III Fuse

87A

RED

490

Fuel Pump Relay Feed-N.C. Contact-Prime

Fuel Sender


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Gauge Sensor Signal

B-C

--

--

Not Used

D

BLK

150

Ground

Fuel Solenoid Driver


Object Number: 289326 Size: CH

Connector Part Information
    • 12186568
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

260

Fuel Solenoid Module Feed

B

BLK

491

Fuel Solenoid Return-Closure

C

PNK

339

Fuse Output-Ignition 1-Type III Fuse

D

RED

313

Fuel Solenoid Closure Signal

Glow Plug Controller


Object Number: 62433 Size: CH

Connector Part Information
    • 12045636
    • 4 Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Fuse Output-Ignition 1-Type III Fuse

B

YEL

505

Glow Plug Relay Feed-Coil

C

BLK

150

Ground

D

--

--

Not Used

Glow Plug Relay


Object Number: 281201 Size: CH

Connector Part Information
    • 12110541
    • 6 Way F Metri-Pack 280 Series, Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BRN

104

Fuse Output-Glow Plug-Type III Fuse

A2

DK BLU

507

Glow Plug Indicator Lamp Signal

B1-B2

--

--

Not Used

C1

BLK

150

Ground

C2

BLK

150

Ground

Injection Timing Stepper Motor


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4 Way F Metri-Pack 150.2 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

1030

Injection Timing Stepper Motor Feed-Coil A-Low

B

ORN/BLK

1032

Injection Timing Stepper Motor Feed-Coil B-Low

C

YEL/BLK

1033

Injection Timing Stepper Motor Feed-Coil B-High

D

RED/BLK

1031

Injection Timing Stepper Motor Feed-Coil A-High

Intake Air Temperature (IAT) Sensor


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • 2 Way F Metri-Pack 150.2 Series P2S (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

Manifold Absolute Temperature Sensor Signal

B

BLK

452

Sensor Return

Optical Fuel Temperature Sensor


Object Number: 62449 Size: CH

Connector Part Information
    • 12052848
    • 6 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

474

Reference Voltage Feed-5 Volt Reference

B

BRN/WHT

633

Camshaft Position Sensor Signal

C

ORN

1799

Camshaft Position Sensor Signal-High Resolution

D

PNK/BLK

632

Camshaft Position Sensor Return

E

YEL

1578

Fuel Temperature Signal

F

PNK/BLK

632

Camshaft Position Sensor Return

Park/Neutral Position (PNP) Switch Relay


Object Number: 39685 Size: CH

Connector Part Information
    • 12110539
    • 5 Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

30

DK GRN

909

Output to PNP Relay and Park Brake Pull Button Switch

85

YEL

1737

Transmission Mounted Neutral Safety Switch Output-Park/Neutral

86

BLK

150

Ground

87

--

--

Not Used

87A

YEL/BLK

1131

Auto Apply Park Brake Switch Signal

Park/Neutral Position (PNP) and Backup Lamps Switch Connector C1


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7 Way F Metri-Pack 150/280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YEL

1737

Transmission Mounted Neutral Safety Switch Output-Park/Neutral

C

PNK

639

Fuse Output-Ignition 1-Type III Fuse

D

--

--

Not Used

E

DK BLU/WHT

805

Ignition Switch Output-Run/Heat/Crank

F

LT GRN

24

Backup Lamp Feed

G

PPL

806

Fuse Output-Crank-Type III Fuse

Park/Neutral Position (PNP) and Backup Lamps Switch Connector C2


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BLK

901

PNP Switch

D

BLK

901

PNP Switch

Transmission Input Speed Sensor (TISS)


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2 Way F Metri-Pack 150.2 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1231

Transmission Input Speed Sensor Return

B

RED/BLK

1230

Transmission Input Speed Sensor Signal

Transmission Output Speed Sensor (TOSS)


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2 Way F Metri-Pack 150.2 Series P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

822

Vehicle Speed Sensor Return

B

PPL/WHT

821

Vehicle Speed Sensor Signal

Vehicle Speed Sensor Calibrator


Object Number: 62467 Size: CH

Connector Part Information
    • 12066130
    • 9 Way F Micro-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN/BLK

822

Vehicle Speed Sensor Return

8

BLK/WHT

451

Engine Control Module Ground

9

PNK

439

Fuse Output-Ignition 1-Type III Fuse

10

YEL/BLK

1827

Vehicle Speed Signal-128000 Pulses Per Mile

11

--

--

Not Used

12

PPL/WHT

821

Vehicle Speed Sensor Signal

13

BRN

437

Vehicle Speed Signal

14

DK GRN/WHT

817

Vehicle Speed Signal-4000 Pulses Per Mile

15

DK GRN

389

Vehicle Speed Signal-4000 Pulses Per Mile

Wastegate Solenoid


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Fuse Output-Ignition 1-Type III Fuse

B

YEL

258

Waste Gate Solenoid Output

Water In Fuel Indicator Sensor


Object Number: 309547 Size: CH

Connector Part Information
    • 12015793
    • 3 Way F Weather-Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Fuse Output-Ignition 1-Type III Fuse

B

YEL/BLK

508

Water In Fuel Indicator Lamp Output

C

BLK

150

Ground