GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 Brakes 🢒 Antilock Brake System 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor Connector
Table 2: Crankshaft Position (CKP) Sensor Connector
Table 3: EGR Valve Connector
Table 4: Engine Coolant Temperature (ECT) Sensor Connector
Table 5: Evaporative Emission Canister Purge Valve Connector
Table 6: Evaporative Emission Canister Vent Valve Connector
Table 7: Fuel Injectors
Table 8: Fuel Pump And Sender Connector
Table 9: Fuel Pressure Sensor Connector
Table 10: Heated Oxygen Sensor (HO2S) LH/RH Connector (4L80-E)
Table 11: Heated Oxygen Sensor (HO2S) LH/RH Connector (4L60-E)
Table 12: Idle Air Control (IAC) Valve Connector (Gas)
Table 13: Ignition Control Module (ICM) Connector
Table 14: Intake Air Temperature (IAT) Sensor Connector
Table 15: Manifold Absolute Presssure (MAP) Sensor Connector
Table 16: Mass Air Flow (MAF) Sensor Connector
Table 17: Throttle Position Sensor Connector
Table 18: Vehicle Speed Sensor (VSS) Adapter

Camshaft Position (CMP) Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • ASM 3F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

632

CMP Sensor Return

B

BRN/WHT

633

CMP Sensor Signal

C

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

Crankshaft Position (CKP) Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • ASM 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

B

PPL

574

CKP Sensor Return

C

YEL

573

CKP Sensor Signal

EGR Valve Connector


Object Number: 306819 Size: CH

Connector Part Information
    • 12186057
    • ASM 5F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1676

EGR Solenoid Feed

B

BLK

470

Sensor Return

C

BRN

1456

EGR Solenoid Position Signal

D

GRY

474

5 Volt Reference

E

WHT

257

EGR Solenoid Output

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 62471 Size: CH

Connector Part Information
    • 12162194
    • ASM 2F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Evaporative Emission Canister Purge Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • ASM 2F M/P 150 (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Sensor Return

B

DK GRN/WHT

428

Caniste Purge Solenoid Control

Evaporative Emission Canister Vent Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • ASM 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

B

WHT

1310

Canister Vent Valve Solenoid Control

Fuel Injectors


Object Number: 307002 Size: CH

Connector Part Information
    • 12177086
    • CONN 16F M/P 100 (BLACK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1744

Fuel Injector #1 Control

B

PNK

439

Ignition Fused Feed

C

PNK

439

Ignition Fused Feed

D

PNK/BLK

1746

Fuel Injector #3 Control

E

LT BLU/BLK

844

Fuel Injector #4 Control

F

PNK

439

Ignition Fused Feed

G

PNK

439

Ignition Fused Feed

H

LT GRN/BLK

1745

Fuel Injector #2 Control

J

DK BLU/WHT

878

Fuel Injector #8 Control

K

PNK

439

Ignition Fused Feed

L

PNK

439

Ignition Fused Feed

M

YEL/BLK

846

Fuel Injector #6 Control

N

BLK/WHT

845

Fuel Injector #5 Control

P

PNK

439

Ignition Fused Feed

R

PNK

439

Ignition Fused Feed

S

RED/BLK

877

Fuel Injector #7 Control

Fuel Pump And Sender Connector


Object Number: 306822 Size: CH

Connector Part Information
    • 12160482
    • ASM 4F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1589

Fuel Level Signal To VCM

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Pressure Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • ASM 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Sensor Ground

B

DK GRN

890

Sensor Signal

C

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) LH/RH Connector (4L80-E)


Object Number: 306824 Size: CH

Connector Part Information
    • 12162102
    • 4M M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

HO2S Return (Pre-converter)

B

PPL/WHT

1665

HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) LH/RH Connector (4L60-E)


Object Number: 68763 Size: CH

Connector Part Information
    • 12162144
    • 4M M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

HO2S Return (Pre-converter)

B

PPL

1666

HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Idle Air Control (IAC) Valve Connector (Gas)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • ASM 4F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Valve Motor Feed (Coil B Low)

B

LT GRN/WHT

1749

IAC Valve Motor Feed (Coil B High)

C

LT BLU/BLK

1748

IAC Valve Motor Feed (Coil A Low)

D

LT BLU/WHT

1747

IAC Valve Motor Feed (Coil A High)

Ignition Control Module (ICM) Connector


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • ASM 4F M/P 150.2 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

B

WHT

423

Electronic Spark Timing Control Signal

C

BLK

150

Ground

D

WHT/BLK

1847

Ignition Coil Output (Bank B)

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • ASM 2F M/P 150.2 P2S (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

IAT Sensor Signal

B

BLK

470

IAT Sensor Return

Manifold Absolute Presssure (MAP) Sensor Connector


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • ASM 3F M/P 150 (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

MAP Sensor Return

B

LT GRN

432

MAP Sensor Signal

C

GRY

474

5 Volt Reference

Mass Air Flow (MAF) Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • ASM 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

VCM Ground

C

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Throttle Position Sensor Connector


Object Number: 62485 Size: CH

Connector Part Information
    • 12078090
    • ASM 3F M/P 150 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

5 Volt Reference

B

BLK

452

Sensor Return

C

DK BLU

417

TP Sensor Signal

Vehicle Speed Sensor (VSS) Adapter


Object Number: 637318 Size: CF

Connector Part Information
    • 12162194
    • 2-Way F Metri-Pack 280 Series, Sealed (BLK)

Connector Part Information
    • 12160435
    • 2-Way M-to-M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High

A

LT GRN/BLK

822

VSS Low

B

LT GRN/BLK

822

VSS Low

B

PPL/WHT

821

VSS High