GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Camshaft Position (CMP) Actuator Solenoid - Exhaust
Connector 3: Camshaft Position (CMP) Actuator Solenoid - Intake
Connector 4: Camshaft Position (CMP) Sensor - Exhaust
Connector 5: Camshaft Position (CMP) Sensor - Intake
Connector 6: Crankshaft Position (CKP) Sensor
Connector 7: Engine Coolant Temperature (ECT) Sensor
Connector 8: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Connector 9: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Connector 10: Fuel Injector 1
Connector 11: Fuel Injector 2
Connector 12: Fuel Injector 3
Connector 13: Fuel Injector 4
Connector 14: Fuel Pump and Sender Assembly
Connector 15: Fuel Tank Pressure (FTP) Sensor
Connector 16: Heated Oxygen Sensor (HO2S) 1
Connector 17: Heated Oxygen Sensor (HO2S) 2
Connector 18: Ignition Coil 1
Connector 19: Ignition Coil 2
Connector 20: Ignition Coil 3
Connector 21: Ignition Coil 4
Connector 22: Knock Sensor (KS)
Connector 23: Manifold Absolute Pressure (MAP) Sensor
Connector 24: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 25: Throttle Body

Accelerator Pedal Position (APP) Sensor


Object Number: 886053  Size: CH

Connector Part Information

  • OEM: 15326830
  • Service: 88988944
  • Description: 6-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

A

TN

1274

5-Volt Reference

B

L-BU

1162

APP Sensor 2 Signal

C

PU

1272

Low Reference

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference

Camshaft Position (CMP) Actuator Solenoid - Exhaust


Object Number: 646406  Size: CH

Connector Part Information

  • OEM: 15336004
  • Service: 15306187
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Camshaft Position (CMP) Actuator Solenoid - Exhaust

Pin

Wire Color

Circuit No.

Function

A

WH/BK

6396

CMP Actuator Solenoid Control Exhaust

B

L-GN

5282

Low Reference

Camshaft Position (CMP) Actuator Solenoid - Intake


Object Number: 646403  Size: CH

Connector Part Information

  • OEM: 15335987
  • Service: 15306430
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Camshaft Position (CMP) Actuator Solenoid - Intake

Pin

Wire Color

Circuit No.

Function

A

PK/BK

6395

CMP Actuator Solenoid Control Intake

B

PU

5284

Low Reference

Camshaft Position (CMP) Sensor - Exhaust


Object Number: 646415  Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: See Catalog
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Camshaft Position (CMP) Sensor - Exhaust

Pin

Wire Color

Circuit No.

Function

A

YE/BK

5297

5-Volt Reference

B

GY

5296

Low Reference

C

D-GN

5273

CMP Sensor Signal

Camshaft Position (CMP) Sensor - Intake


Object Number: 646415  Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: See Catalog
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Camshaft Position (CMP) Sensor - Intake

Pin

Wire Color

Circuit No.

Function

A

D-BU

5300

5-Volt Reference

B

TN

5301

Low Reference

C

OG

5275

CMP Sensor Signal

Crankshaft Position (CKP) Sensor


Object Number: 1590157  Size: CH

Connector Part Information

  • OEM: 31403-3710
  • Service: 88988337
  • Description: 3-Way MX 64 Series Sealed (GN)

Terminal Part Information

  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN

2867

5-Volt Reference

2

PU

574

Low Reference

3

YE

573

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 666646  Size: CH

Connector Part Information

  • OEM: 15336024
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

1

BK

2761

Low Reference

2

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: 12101858
  • Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: 12101858
  • Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

OG

840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: 88988814
  • Description: 2-Way F Micro-Pack 64 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: 88988814
  • Description: 2-Way F Micro-Pack 64 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: 88988814
  • Description: 2-Way F Micro-Pack 64 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: 88988814
  • Description: 2-Way F Micro-Pack 64 Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Pump and Sender Assembly


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

A

BK

650

Ground

B

GY

120

Fuel Pump Supply Voltage

C

PU

1589

Fuel Level Reference

D

TN

2759

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 12085495
  • Description: 3-Way Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Tank Pressure (FTP) Sensor

Pin

Wire Color

Circuit No.

Function

A

BK/WH

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY/WH

705

5-Volt Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 474210  Size: CH

Connector Part Information

  • OEM: 12176897
  • Service: 15305903
  • Description: 4-Way F Metri-Pack 150 Series Sealed (L-GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Heated Oxygen Sensor (HO2S) 1

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3111

HO2S Low Signal (Sensor 1)

B

PU/WH

3110

HO2S High Signal (Sensor 1)

C

BK/WH

3113

HO2S Heater Low Control (Sensor 1)

D

PK/BK

5291

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 280761  Size: CH

Connector Part Information

  • OEM: 12160825
  • Service: 12167158
  • Description: 4-Way M Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Oxygen Sensor (HO2S) 2

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal (Sensor 2)

B

PU/WH

1668

HO2S High Signal (Sensor 2)

C

BK/WH

3122

HO2S Heater Low Control (Sensor 2)

D

PK/BK

5291

Ignition 1 Voltage

Ignition Coil 1


Object Number: 1590069  Size: CH

Connector Part Information

  • OEM: 7283-3392-30
  • Service: 88988338
  • Description: 4-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: 1-4
  • Terminal/Tray: 7116-4102-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Ignition Coil 1

Pin

Wire Color

Circuit No.

Function

1

BK

1350

Ground

2

BN

2129

Low Reference

3

PU

2121

IC 1 Control

4

PK/BK

5292

Ignition 1 Voltage

Ignition Coil 2


Object Number: 1590069  Size: CH

Connector Part Information

  • OEM: 7283-3392-30
  • Service: 88988338
  • Description: 4-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: 1-4
  • Terminal/Tray: 7116-4102-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Ignition Coil 2

Pin

Wire Color

Circuit No.

Function

1

BK

1350

Ground

2

BN

2129

Low Reference

3

RD/WH

2122

IC 2 Control

4

PK/BK

5292

Ignition 1 Voltage

Ignition Coil 3


Object Number: 1590069  Size: CH

Connector Part Information

  • OEM: 7283-3392-30
  • Service: 88988338
  • Description: 4-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: 1-4
  • Terminal/Tray: 7116-4102-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Ignition Coil 3

Pin

Wire Color

Circuit No.

Function

1

BK

1350

Ground

2

BN

2129

Low Reference

3

L-BU

2123

IC 3 Control

4

PK/BK

5292

Ignition 1 Voltage

Ignition Coil 4


Object Number: 1590069  Size: CH

Connector Part Information

  • OEM: 7283-3392-30
  • Service: 88988338
  • Description: 4-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: 1-4
  • Terminal/Tray: 7116-4102-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Ignition Coil 4

Pin

Wire Color

Circuit No.

Function

1

BK

1350

Ground

2

BN

2129

Low Reference

3

D-GN/WH

2124

IC 4 Control

4

PK/BK

5292

Ignition 1 Voltage

Knock Sensor (KS)


Object Number: 684799  Size: CH

Connector Part Information

  • OEM: 12077900
  • Service: 12116247
  • Description: 2-Way F Metri-Pack 280 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12077411/2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Knock Sensor (KS)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor ignal

B

GY

1716

Knock Sensor ignal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

  • OEM: 12129946
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

2704

5-Volt Reference

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: A, C-E, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A, C-E - E/A
  • Core/Insulation Crimp: Pins B - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

BK/WH

451

Ground

C

PK/BK

5291

Ignition 1 Voltage

D

BK

2760

Low Reference

E

TN

472

IAT Sensor Signal

Throttle Body


Object Number: 831368  Size: CH

Connector Part Information

  • OEM: 15326835
  • Service: 88986452
  • Description: 8-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Throttle Body

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

BK/WH

1704

Low Reference

C

GY

2701

5-Volt Reference

D

PU

486

TP Sensor 2Signal

E

YE/GN

582

TAC Motor Control - 2 (Early Production)

BN

582

TAC Motor Control - 2 (Late Production)

F

YE/GN

581

TAC Motor Control - 1 (Early Production)

YE

581

TAC Motor Control - 1 (Late Production)

G

BK

2752

Low Reference

H

L-BU/BK

1688

5-Volt Reference