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

Accelerator Pedal Position (APP) Sensor


Object Number: 1334452  Size: CH

Connector Part Information

  • OEM: 15383136
  • Service: 89046653
  • Description: 6-Way F Sealed (BK)

Terminal Part Information

  • Pins: 1, 2, 3, 4, 5, 6
  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

1

PU

1272

Low Reference

2

WH/BK

1164

5-Volt Reference

3

D-BU

1161

APP Sensor 1 Signal

4

BN

1271

Low Reference

5

TN

1274

5-Volt Reference

6

L-BU

1162

APP Sensor 2 Signal

Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust


Object Number: 523630  Size: CH

Connector Part Information

  • OEM: 15326801
  • Service: 15306156
  • Description: 2-Way F GT 150 Series (BK)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Camshaft Position (CMP) Actuator Solenoid - Bank 1 Exhaust

Pin

Wire Color

Circuit No.

Function

A

BN

2198

Camshaft Position Actuator Solenoid High Control

B

BK

2199

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 726825  Size: CH

Connector Part Information

  • OEM: 15355370
  • Service: 15306431
  • Description: 3-Way F GT 150 Series Sealed 3.2X4.0 (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) Sensor

Pin

Wire Color

Circuit No.

Function

A

RD

631

12-Volt Reference

B

BK

630

Camshaft Position Signal

C

PK/BK

632

Low Reference

Crankshaft Position (CKP) Sensor


Object Number: 1335529  Size: CH

Connector Part Information

  • OEM: 15374223
  • Service: 89046654
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

A

PU

574

Low Reference

B

YE

573

CKP Sensor 1 Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 523630  Size: CH

Connector Part Information

  • OEM: 15326801
  • Service: 15306156
  • Description: 2-Way F GT 150 Series (BK)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

A

BK

2761

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


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

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

Evaporative Emission (EVAP) Canister Purge Solenoid

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


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

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

Evaporative Emission (EVAP) Canister Vent Solenoid

Pin

Wire Color

Circuit No.

Function

A

OG

1640

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: 15306160
  • Description: 2-Way F

Terminal Part Information

  • Pins: A, B
  • 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

839

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15326181
  • Service: 15306160
  • Description: 2-Way F

Terminal Part Information

  • Pins: A, B
  • 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

839

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: 15306160
  • Description: 2-Way F

Terminal Part Information

  • Pins: A, B
  • 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

839

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: 15306160
  • Description: 2-Way F

Terminal Part Information

  • Pins: A, B
  • 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

839

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 5.8 (BK)

Terminal Part Information

  • Pins: A, D, B, C
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - 2/5
  • Core/Insulation Crimp: Pins B, C - E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

A

BK

850

Ground

B

PU

1589

Fuel Level Sensor Signal

C

BK

2759

Low Reference

D

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 88986451
  • Description: 3-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

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

Fuel Tank Pressure (FTP) Sensor

Pin

Wire Color

Circuit No.

Function

A

BK

2759

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

2709

5-Volt Reference

Heated Oxygen Sensor (HO2S) 1


Object Number: 655691  Size: CH

Connector Part Information

  • OEM: 12146046
  • Service: 15306365
  • Description: 4-Way F Metri-Pack 150 Series (GY)

Terminal Part Information

  • Pins: A, B, D, E
  • 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

1653

HO2S Low Signal

B

D-GN

1655

HO2S High Signal

C

--

--

Not Available

D

PK

414

HO2S - Heater Elements - Supply Voltage

E

D-GN

676

HO2S Heater High Control

Heated Oxygen Sensor (HO2S) 2


Object Number: 280761  Size: CH

Connector Part Information

  • OEM: 12160825
  • Service: 15305801
  • Description: 4-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: A, B, C, D
  • 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

B

PU/WH

1668

HO2S High Signal

C

BK/WH

1423

HO2S Heater Low Control

D

PK

414

HO2S - Heater Elements - Supply Voltage

Ignition Coil 1


Object Number: 726825  Size: CH

Connector Part Information

  • OEM: 15355370
  • Service: 15306431
  • Description: 3-Way F GT 150 Series Sealed 3.2x4.0 (BK)

Terminal Part Information

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

Ignition Coil 1

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

PU

2121

IC 1 Control

C

BK

550

Ground

Ignition Coil 2


Object Number: 726825  Size: CH

Connector Part Information

  • OEM: 15355370
  • Service: 15306431
  • Description: 3-Way F GT 150 Series Sealed 3.2x4.0 (BK)

Terminal Part Information

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

Ignition Coil 2

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

RD/WH

2122

IC 2 Control

C

BK

550

Ground

Ignition Coil 3


Object Number: 726825  Size: CH

Connector Part Information

  • OEM: 15355370
  • Service: 15306431
  • Description: 3-Way F GT 150 Series Sealed 3.2x4.0 (BK)

Terminal Part Information

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

Ignition Coil 3

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

L-BU

2123

IC 3 Control

C

BK

550

Ground

Ignition Coil 4


Object Number: 726825  Size: CH

Connector Part Information

  • OEM: 15355370
  • Service: 15306431
  • Description: 3-Way F GT 150 Series Sealed 3.2x4.0 (BK)

Terminal Part Information

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

Ignition Coil 4

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

D-GN/WH

2124

IC 4 Control

C

BK

550

Ground

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


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F GT 150 Series Sealed 4.0 (BK)

Terminal Part Information

  • Pins: A, B, C, D, E
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

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

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

BK/WH

451

Ground

C

PK

439

Ignition 1 Voltage

D

TN

472

IAT Sensor Signal

E

BK

2760

Low Reference

Knock Sensor (KS)


Object Number: 1232999  Size: CH

Connector Part Information

  • OEM: 15374222
  • Service: See Catalog
  • Description: 2-Way F GT 150 Series Sealed (NA)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Knock Sensor (KS)

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

KS Signal

B

GY

1716

KS Signal

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

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

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

Throttle Body


Object Number: 831368  Size: CH

Connector Part Information

  • OEM: 15326836
  • Service: 88986255
  • Description: 8-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Pins: A, B, C, D, E, F, G, H
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/1
  • 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

L-BU/BK

1688

5-Volt Reference

C

BK

2752

Low Reference

D

PU

486

TP Sensor 2 Signal

E

YE

581

TAC Motor Control - 1

F

BN

582

TAC Motor Control - 2

G

GY

2701

5-Volt Reference

H

BK/WH

1704

Low Reference