GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Camshaft Position (CMP) Sensor - Intake
Connector 3: Crankshaft Position (CKP) Sensor
Connector 4: Engine Coolant Temperature (ECT) Sensor
Connector 5: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Connector 6: Evaporative Emissions (EVAP) Canister Vent Solenoid Valve
Connector 7: Fuel Injector 1 (w/NU6)
Connector 8: Fuel Injector 2 (w/NU6)
Connector 9: Fuel Injector 3 (w/NU6)
Connector 10: Fuel Injector 4 (w/NU6)
Connector 11: Fuel Injector 1 (w/o NU6)
Connector 12: Fuel Injector 2 (w/o NU6)
Connector 13: Fuel Injector 3 (w/o NU6)
Connector 14: Fuel Injector 4 (w/o NU6)
Connector 15: Fuel Pump and Sender Assembly
Connector 16: Fuel Tank Pressure (FTP) Sensor
Connector 17: Heated Oxygen Sensor (HO2S) 1
Connector 18: Heated Oxygen Sensor (HO2S) 2
Connector 19: Ignition Coil Module 1
Connector 20: Ignition Coil Module 2
Connector 21: Ignition Coil Module 3
Connector 22: Ignition Coil Module 4
Connector 23: Knock Sensor (KS)
Connector 24: Manifold Absolute Pressure (MAP) Sensor
Connector 25: Mass Air Flow (MAF)/Inlet Air Temperature (IAT) Sensor
Connector 26: Secondary Air Injection (AIR) Pump (NU6)
Connector 27: Secondary Air Injection (AIR) Solenoid (NU6)
Connector 28: 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

5-Volt Reference - 2

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

Low Referenc

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference - 1

Camshaft Position (CMP) Sensor - Intake


Object Number: 646415  Size: CH

Connector Part Information

  • OEM: 15326808
  • Service: 15306388
  • 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: 1772428  Size: CH

Connector Part Information

  • OEM: 15326813
  • Service: 15306377
  • Description: 3-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

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

Crankshaft Position Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 1538760  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987993
  • Description: 2-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

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 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/WH

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

Evaporative Emissions (EVAP) Canister Vent Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

RD/WH

1840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1 (w/NU6)


Object Number: 1721512  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: Service by Harness - See Part Catalog
  • 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 (w/NU6)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Ignition 1 Voltage

2

BK

1744

Fuel Injector 1 Control

Fuel Injector 2 (w/NU6)


Object Number: 1721512  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: Service by Harness - See Part Catalog
  • 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 (w/NU6)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3 (w/NU6)


Object Number: 1721512  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: Service by Harness - See Part Catalog
  • 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 (w/NU6)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Ignition 1 Voltage

2

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4 (w/NU6)


Object Number: 1721512  Size: CH

Connector Part Information

  • OEM: 7283-8596-30
  • Service: Service by Harness - See Part Catalog
  • 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 (w/NU6)

Pin

Wire Color

Circuit No.

Function

1

PK

139

Ignition 1 Voltage

2

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 1 (w/o NU6)


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F (GY)

Fuel Injector 1 (w/o NU6)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2 (w/o NU6)


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F (GY)

Fuel Injector 2 (w/o NU6)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3 (w/o NU6)


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F (GY)

Fuel Injector 3 (w/o NU6)

Pin

Wire Color

Circuit No.

Function

A

PK

139

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4 (w/o NU6)


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F (GY)

Fuel Injector 4 (w/o NU6)

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 APEX 2.8 MM (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

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

A

BK

850

Ground

B

GY

120

Fuel Pump Supply Voltage

C

PU

1589

Fuel Level Sensor Signal (-Primary)

D

TN

2759

Low Reference

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 88986451
  • 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

GY/RD

890

Fuel Tank Pressure Sensor Signal

C

GY/BK

2709

5-Volt Reference - 1

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 (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

GY/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: 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

HO2S Signal Sensor 2

B

PU/WH

1668

HO2S High Signal Sensor 2

C

PK/BK

5291

Ignition 1 Voltage

D

GY/WH

1423

HO2S Heater Low Control Sensor 2

Ignition Coil Module 1


Object Number: 1653384  Size: CH

Connector Part Information

  • OEM:15466325
  • Service: 88988737
  • Description: 4-Way F GT 150 Series (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 Module 1

Pin

Wire Color

Circuit No.

Function

A

BK

1350

Ground

B

BN

2129

Low Reference

C

PU

2121

Ignition Control (1)

D

PK/BK

5292

Ignition 1 Voltage

Ignition Coil Module 2


Object Number: 1653384  Size: CH

Connector Part Information

  • OEM: 15466325
  • Service: 88988737
  • Description: 4-Way F GT 150 Series (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 Module 2

Pin

Wire Color

Circuit No.

Function

A

BK

1350

Ground

B

BN

2129

Low Reference

C

OG/WH

2122

Ignition Control (2)

D

PK/BK

5292

Ignition 1 Voltage

Ignition Coil Module 3


Object Number: 1653384  Size: CH

Connector Part Information

  • OEM:15466325
  • Service: 88988737
  • Description: 4-Way F GT 150 Series (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 Module 3

Pin

Wire Color

Circuit No.

Function

A

BK

1350

Ground

B

BN

2129

Low Reference

C

L-BU

2123

Ignition Control (3)

D

PK/BK

5292

Ignition 1 Voltage

Ignition Coil Module 4


Object Number: 1653384  Size: CH

Connector Part Information

  • OEM:15466325
  • Service: 88988737
  • Description: 4-Way F GT 150 Series (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 Module 4

Pin

Wire Color

Circuit No.

Function

A

BK

1350

Ground

B

BN

2129

Low Reference

C

D-GN/WH

2124

Ignition Control (4)

D

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 (1) Signal

B

GY

1716

Knock Sensor Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 1846469  Size: CH

Connector Part Information

  • OEM: 19115171
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 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)

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN

432

MAP Sensor Signal

2

OG/BK

469

Low Reference

3

GY

2704

5-Volt Reference-2

Mass Air Flow (MAF)/Inlet 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)/Inlet 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

TN

2760

Low Reference

E

TN

472

IAT Sensor Signal

Secondary Air Injection (AIR) Pump (NU6)


Object Number: 1413064  Size: CH

Connector Part Information

  • OEM: 12124819
  • Service: 12085498
  • Description: 2-Way F Metri-Pack 280 Series (NA)

Terminal Part Information

  • Terminal/Tray: 12077413/4
  • Core/Insulation Crimp: B/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Secondary Air Injection (AIR) Pump (NU6)

Pin

Wire Color

Circuit No.

Function

A

OG

78

AIR Pump Supply Voltage

B

BK

1050

Ground

Secondary Air Injection (AIR) Solenoid (NU6)


Object Number: 1526382  Size: CH

Connector Part Information

  • OEM: 13539171
  • Service: 88988601
  • Description: 6-Way F Metri-Pack 150 Sealed Series (BK)

Terminal Part Information

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

Secondary Air Injection (AIR) Solenoid (NU6)

Pin

Wire Color

Circuit No.

Function

1

TN

407

Low Reference

2

BN/WH

6331

AIR Solenoid Position Sensor

3

WH

6452

5-Volt Reference

4

BK/WH

451

Ground

5

--

--

Not Used

6

PK/BK

415

AIR Solenoid Supply Voltage

Throttle Actuator Control (TAC) Module


Object Number: 1664617  Size: CH

Connector Part Information

  • OEM: 15355297
  • Service: 88988106
  • 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)

Throttle Actuator Control (TAC) Module

Pin

Wire Color

Circuit No.

Function

A

BN

582

Throttle Actuator Motor Control (2)

B

YE

581

Throttle Actuator Motor Control (1)

C

TN

2752

Low Reference

D

D-GN

485

Throttle Position Sensor (1) Signal

E

GY

2701

5-Volt Reference

F

PU

486

Throttle Position Sensor (2) Signal