GM Service Manual Online
For 1990-2009 cars only
Table 1: Air Injection Reaction (AIR) Pump Connector
Table 2: Air Injection Reaction (AIR) Solenoid Connector
Table 3: Camshaft Position (CMP) Sensor Connector
Table 4: Crankshaft Position (CKP) Sensor Connector
Table 5: Exhaust Gas Recirculation (EGR) Valve Connector
Table 6: Engine Coolant Temperature (ECT) Sensor Connector
Table 7: Evaporative Emission Canister Purge Valve Connector
Table 8: Evaporative Emission Canister Vent Valve Connector
Table 9: Fuel Injectors
Table 10: Fuel Pump And Sender Connector
Table 11: Fuel Tank Pressure Sensor Connector
Table 12: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L60-E)
Table 13: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L80-E)
Table 14: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L60-E)
Table 15: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L80-E)
Table 16: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Connector
Table 17: Idle Air Control (IAC) Valve Connector
Table 18: Ignition Coil Connector
Table 19: Ignition Control Module (ICM) Connector
Table 20: Intake Air Temperature (IAT) Sensor Connector
Table 21: Manifold Absolute Pressure (MAP) Sensor Connector
Table 22: Mass Air Flow (MAF) Sensor Connector
Table 23: Park/Neutral Position Switch (C1)
Table 24: Park/Neutral Position Switch (C2)
Table 25: Throttle Position Sensor Connector
Table 26: Vehicle Speed Sensor (VSS) Connector

Air Injection Reaction (AIR) Pump Connector


Object Number: 601624  Size: CH

Connector Part Information

    • 15326681
    • ASM 2F 280 GT (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Air Injection Reaction Pump Motor Feed

B

BLK

150

Ground

Air Injection Reaction (AIR) Solenoid Connector


Object Number: 35437  Size: CH

Connector Part Information

    • 12052635
    • ASM CONN 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Air Injection Reaction Pump Motor Feed

B

BLK

150

Ground

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 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

B

PPL

574

CKP Sensor Return

C

YEL

573

CKP Sensor Signal

Exhaust Gas Recirculation (EGR) Valve Connector


Object Number: 68773  Size: CH

Connector Part Information

    • 12186057
    • ASM 5F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1676

EGR Valve Solenoid Control

B

BLK

470

Sensor Return

C

BRN

1456

EGR Solenoid Position Signal

D

GRY

474

5 Volt Reference

E

WHT

257

EGR Valve Solenoid Ground

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • ASM 2F M/P 150.2 P2S SLD (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

Fuse Output - ignition - 1 - Type III Fuse

B

DK GRN/WHT

428

Canister Purge Solenoid Output

Evaporative Emission Canister Vent 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

Fuse Output - Ignition 1 - Type III Fuse

B

WHT

1310

Canister Vent Valve Solenoid Output

Fuel Injectors


Object Number: 39782  Size: CH

Connector Part Information

    • 12177083
    • 12F MIC/P 100 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

845

Fuel Injector #5 Output

B

PNK

439

Fused Output - Ignition 1 - Type III Fuse

C

PNK/BLK

1746

Fuel Injector #3 Output

D

PNK

439

Fused Output - Ignition 1 - Type III Fuse

E

PNK

439

Fused Output - Ignition 1 - Type III Fuse

F

BLK

1744

Fuel Injector #1 Output

G

LT GRN/BLK

1745

Fuel Injector #2 Output

H

PNK

439

Fused Output - Ignition 1 - Type III Fuse

J

PNK

439

Fused Output - Ignition 1 - Type III Fuse

K

LT BLU/BLK

844

Fuel Injector #4 Output

L

PNK

439

Fused Output - Ignition 1 - Type III Fuse

M

YEL/BLK

846

Fuel Injector #6 Output

Fuel Pump And Sender Connector


Object Number: 258300  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Input To VCM

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Tank 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 Return

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L60-E)


Object Number: 320619  Size: CH

Connector Part Information

    • 12162144
    • ASM 4F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

Left - HO2S Return (Pre-converter)

B

PPL/WHT

1665

Left - HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector (4L80-E)


Object Number: 68762  Size: CH

Connector Part Information

    • 12162102
    • 4M M/P 150 SLD CLIP SLOT SELF LK (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

Left - HO2S Return (Pre-converter)

B

PPL/WHT

1665

Left - HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L60-E)


Object Number: 320619  Size: CH

Connector Part Information

    • 12162144
    • ASM 4F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Right - HO2S Return (Pre-converter)

B

PPL

1666

Right - HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector (4L80-E)


Object Number: 68762  Size: CH

Connector Part Information

    • 12162102
    • 4M M/P 150 SLD CLIP SLOT SELF LK (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Right - HO2S Return (Pre-converter)

B

PPL

1666

Right - HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Connector


Object Number: 68763  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

Right - HO2S Return (Post-converter)

B

PPL

1670

Right - HO2S Signal (Post-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Idle Air Control (IAC) Valve Connector


Object Number: 38608  Size: CH

Connector Part Information

    • 12162189
    • ASM 4F M/P 150.2 P2S SLD (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 Coil Connector


Object Number: 68743  Size: CH

Connector Part Information

    • 12146121
    • ASM 3F M/P 150 (BRN)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

B

--

--

Not Used

C

WHT/BLK

1847

Ignition Coil Output

Ignition Control Module (ICM) Connector


Object Number: 38608  Size: CH

Connector Part Information

    • 12162189
    • ASM 4F M/P 150.2 P2S SLD (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

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719  Size: CH

Connector Part Information

    • 12162198
    • ASM 2F M/P 150.2 P2S SLD (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

IAT Sensor Signal

B

BLK

470

IAT Sensor Return

Manifold Absolute Pressure (MAP) Sensor Connector


Object Number: 68740  Size: CH

Connector Part Information

    • 12129946
    • ASM 3F M/P 150 SLD (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 SLD (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

Park/Neutral Position Switch (C1)


Object Number: 68780  Size: CH

Connector Part Information

    • 12129840
    • 7-Way Female M/P Mixed (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

275

Transmission Mounted Neutral Safety Switch Output - Park

C

PNK

139

Fuse Output - Ignition 1 - Type 3 Fuse

D

BLK

150

Ground

E

PPL

806

Fuse Output - Crank - Type 3 Fuse

F

LT GRN

24

Back-up Lamp Feed

G

YEL

1737

Transmission Mounted Neutral Safety Switch Output - Park/Neutral

Park/Neutral Position Switch (C2)


Object Number: 40412  Size: CH

Connector Part Information

    • 12191757
    • 4-Way Female M/P 150 (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

Transmission Position Switch Signal - Bit 1

B

GRY

773

Transmission Position Switch Signal - Bit 3

C

WHT

776

Transmission Position Switch Signal - Parity Bit

D

YEL

772

Transmission Position Switch Signal - Bit 2

Throttle Position Sensor Connector


Object Number: 258299  Size: CH

Connector Part Information

    • 12078090
    • ASM 3F M/P 150 P2S SLD (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) Connector


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • ASM 2F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

Vehicle Speed Sensor Signal

B

LT GRN/BLK

822

Vehicle Speed Sensor Return