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 Valve
Connector 5: Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
Connector 6: Fuel Injector 1
Connector 7: Fuel Injector 2
Connector 8: Fuel Injector 3
Connector 9: Fuel Injector 4
Connector 10: Fuel Pump and Sender Assembly
Connector 11: Fuel Tank Pressure Sensor
Connector 12: Heated Oxygen Sensor (HO2S) 1
Connector 13: Heated Oxygen Sensor (HO2S) 2
Connector 14: Ignition Control Module
Connector 15: Knock Sensor (KS)
Connector 16: Manifold Absolute Pressure (MAP) Sensor
Connector 17: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 18: Throttle Actuator Control (TAC) Module

Accelerator Pedal Position (APP) Sensor


Object Number: 1468854  Size: CH

Connector Part Information

  • OEM: 6-929264-1
  • Service: 89046653
  • Description: 6-Way F MT2 Housing (BK)

Terminal Part Information

  • 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

TN

1274

5 Volt Reference

2

WH/BK

1164

5 Volt Reference

3

D-BU

1161

APP Sensor (1) Signal

4

BN

1271

Low Reference

5

PU

1272

Low Reference

6

L-BU

1162

APP Sensor (2) Signal

Crankshaft Position (CKP) Sensor


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987978
  • 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

Crankshaft Position Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 1538760  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way F 150 GT 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

Engine Coolant Temperature 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 Emissions (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 Emissions (EVAP) Canister Vent Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

RD/WH

1640

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 1721512  Size: CH

Connector Part Information

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

1

PK

139

Ignition 1 Voltage

2

BK

1744

Fuel Injector (1) Control

Fuel Injector 2


Object Number: 1721512  Size: CH

Connector Part Information

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

1

PK

139

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector (2) Control

Fuel Injector 3


Object Number: 1721512  Size: CH

Connector Part Information

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

1

PK

139

Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector (3) Control

Fuel Injector 4


Object Number: 1721512  Size: CH

Connector Part Information

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

1

PK

139

Ignition 1 Voltage

2

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

850

Ground

B

PU

1589

Fuel Level Sensor Signal (- Primary)

C

OG/BK

510

Low Reference

D

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure 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

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

Fuel Tank Pressure Sensor

Pin

Wire Color

Circuit No.

Function

A

TN

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: 474210  Size: CH

Connector Part Information

  • OEM: 12176897
  • Service: 15305960
  • Description: 4-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)

Heated Oxygen Sensor (HO2S) 1

Pin

Wire Color

Circuit No.

Function

A

TN/WH

3111

Heated Oxygen Sensor Low Signal Sensor 1

B

PU/WH

3110

Heated Oxygen Sensor High Signal Sensor 1

C

GY/WH

3113

Heated Oxygen Sensor 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: 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) 2

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

Heated Oxygen Sensor Low Signal Sensor 2

B

PU/WH

1668

Heated Oxygen Sensor High Signal Sensor 2

C

PK/BK

5291

Ignition 1 Voltage

D

TN/WH

1423

Heated Oxygen Sensor Heater Low Control Sensor (2)

Ignition Control Module


Object Number: 877917  Size: CH

Connector Part Information

  • OEM: 15464996
  • Service: 88987910
  • Description: 9-Way F

Terminal Part Information

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

Ignition Control Module

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

WH

423

Ignition Control Timing Control

C-D

--

--

Not Used

E

BK

1350

Ground

F

BN/WH

633

Camshaft Position Sensor Signal

G

OG

406

Ignition Control 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

Knock Sensor 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

  • 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

Manifold Absolute Pressure 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

Mass Air Flow Sensor Signal

B

BK/WH

451

Ground

C

PK/BK

5291

Ignition 1 Voltage

D

TN

2760

Low Reference

E

TN

472

Intake Air Temperature 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

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

Throttle Actuator Control (TAC) Module

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

Throttle Position Sensor (1) Signal

B

TN/WH

1704

Low Reference

C

GY

2701

5-Volt Reference

D

PU

486

Throttle Position Sensor (2) Signal

E

BN

582

Throttle Actuator Motor Control (2)

F

YE

581

Throttle Actuator Motor Control (1)

G

TN

2752

Low Reference

H

L-BU/BK

1688

5-Volt Reference