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

Accelerator Pedal Position (APP) Sensor


Object Number: 886053  Size: CH

Connector Part Information

  • OEM: 15326830
  • Service: 88953153
  • 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

PU

1272

Low Reference

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

5-Volt Reference

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 900247  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987183
  • 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)

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

A

PU

574

Low Reference

B

YE

573

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987183
  • 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

A

TN

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

  • 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/BK

5291

Engine Main Relay Fused Control

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Fuel Injector 1


Object Number: 806497  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: 88988766
  • Description: 2-Way F 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 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: 806497  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: 88988766
  • Description: 2-Way F 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 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: 806497  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: 88988766
  • Description: 2-Way F 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 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: 806497  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: 88988766
  • Description: 2-Way F 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 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: 1464949  Size: CH

Connector Part Information

  • OEM: 22666266
  • Service: 15306349
  • Description: 4-Way F Apex (GY)

Terminal Part Information

  • Terminal/Tray: 54001400/22
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

1

GY

120

Fuel Pump Supply Voltage

2

PU

1589

Fuel Level Sensor Signal

3

BK/WH

651

Low Reference

4

BK

1250

Ground

Fuel Tank Pressure (FTP) Sensor


Object Number: 684948  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 88986451
  • Description: 4-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • 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

--

--

Not Used

B

GY

705

5-Volt Reference

C

D-GN

890

Fuel Tank Pressure Sensor Signal

D

OG/BK

469

Low Reference

Heated Oxygen Sensor (HO2S) Sensor 1


Object Number: 456551  Size: CH

Connector Part Information

  • OEM: 12160482
  • Service: 88988598
  • Description: 4-Way M Metri-Pack 150 Series Sealed (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) Sensor 1

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3111

HO2S Low Signal

B

PU/WH

3110

HO2S High Signal

C

GY/WH

3113

HO2S Heater Low Control

D

PK/BK

5291

Ignition 3 Voltage

Heated Oxygen Sensor (HO2S) Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

  • OEM: 12160825
  • Service: 15305801
  • 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) Sensor 2

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3121

HO2S Low Signal

B

PU

3120

HO2S High Signal

C

GY/WH

3122

HO2S Heater Low Control

D

PK/BK

5291

Ignition 3 Voltage

Ignition Control Module (ICM)


Object Number: 877917  Size: CH

Connector Part Information

  • OEM: 15464996
  • Service: 88987910
  • Description: 9-Way F GT 150 Series Sealed (BK)

Terminal Part Information

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

Ignition Control Module (ICM)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

WH

423

IC Timing Control A

C-D

--

--

Not Used

E

BK

450

Ground

F

BN/WH

633

Camshaft Position Signal

G

OG

406

IC Timing Control B

H-J

--

--

Not Used

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 Signal

B

GY

1716

Low Reference

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: 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

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

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/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

Engine Main Relay Fused Control 2

D

TN/BK

2760

Low Reference

E

TN

472

IAT Sensor Signal

Throttle Actuator Control (TAC) Module


Object Number: 646400  Size: CH

Connector Part Information

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

Terminal Part Information

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

Throttle Actuator Control (TAC) Module

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

TN/WH

1704

Low Reference

C

GY

2701

5-Volt Reference

D

PU

486

TP Sensor 2 Signal

E

BN

582

TAC Motor Control - 2

F

YE

581

TAC Motor Control - 1

G

TN

2752

Low Reference

H

L-BU/BK

1688

5-Volt Reference