GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 LaCrosse 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Engine Controls Connector End Views
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 1
Connector 3: Camshaft Position (CMP) Actuator Solenoid Intake Bank 1
Connector 4: Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 2
Connector 5: Camshaft Position (CMP) Actuator Solenoid Intake Bank 2
Connector 6: Camshaft Position (CMP) Sensor Bank 1 Exhaust
Connector 7: Camshaft Position (CMP) Sensor Bank 1 Intake
Connector 8: Camshaft Position (CMP) Sensor Bank 2 Exhaust
Connector 9: Camshaft Position (CMP) Sensor Bank 2 Intake
Connector 10: Crankshaft Position (CKP) Sensor
Connector 11: Engine Coolant Temperature (ECT) Sensor
Connector 12: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Connector 13: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Connector 14: Fuel Injector 1
Connector 15: Fuel Injector 2
Connector 16: Fuel Injector 3
Connector 17: Fuel Injector 4
Connector 18: Fuel Injector 5
Connector 19: Fuel Injector 6
Connector 20: Fuel Pump and Sender Assembly
Connector 21: Fuel Tank Pressure (FTP) Sensor
Connector 22: Heated Oxygen Sensor (HO2S) 1
Connector 23: Heated Oxygen Sensor (HO2S) 2
Connector 24: Ignition Coil 1
Connector 25: Ignition Coil 2
Connector 26: Ignition Coil 3
Connector 27: Ignition Coil 4
Connector 28: Ignition Coil 5
Connector 29: Ignition Coil 6
Connector 30: Knock Sensor (KS) 1
Connector 31: Knock Sensor (KS) 2
Connector 32: Manifold Absolute Pressure (MAP) Sensor
Connector 33: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 34: Throttle Actuator Control (TAC) Module

Accelerator Pedal Position (APP) Sensor


Object Number: 632357 Size: CH

Connector Part Information

  • OEM: 15326829
  • 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 1

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference 2

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 1


Object Number: 1331453 Size: CH

Connector Part Information

  • OEM: 7283-7526-30
  • Service: 88988588
  • Description: 2-Way F (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

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 1

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5293

Ignition 1 Voltage

2

L-GN

5282

CMP Actuator Solenoid Control Exhaust Bank 1

Camshaft Position (CMP) Actuator Solenoid Intake Bank 1


Object Number: 1331453 Size: CH

Connector Part Information

  • OEM: 7283-7526-30
  • Service: 88988588
  • Description: 2-Way F (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

Camshaft Position (CMP) Actuator Solenoid Intake Bank 1

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5293

Ignition 1 Voltage

2

PU

5284

CMP Actuator Solenoid Control Intake Bank 1

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 2
Object Number: 1331453 Size: CH

Connector Part Information

  • OEM: 7283-7526-30
  • Service: 88988588
  • Description: 2-Way F (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

Camshaft Position (CMP) Actuator Solenoid Exhaust Bank 2

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5293

Ignition 1 Voltage

2

WH/BK

5283

CMP Actuator Solenoid Control Exhaust Bank 2

Camshaft Position (CMP) Actuator Solenoid Intake Bank 2
Object Number: 1331453 Size: CH

Connector Part Information

  • OEM: 7283-7526-30
  • Service: 88988588
  • Description: 2-Way F (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

Camshaft Position (CMP) Actuator Solenoid Intake Bank 2

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5293

Ignition 1 Voltage

2

OG/BK

5272

CMP Actuator Solenoid Control Intake Bank 2

Camshaft Position (CMP) Sensor Bank 1 Exhaust
Object Number: 1331443 Size: CH

Connector Part Information

  • OEM: 1928403966
  • Service: 88988583
  • Description: 3-Way F (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

Camshaft Position (CMP) Sensor Bank 1 Exhaust

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

D-GN

5273

CMP Sensor Signal Exhaust Bank 1

3

GY

705

5-Volt Reference 2

Camshaft Position (CMP) Sensor Bank 1 Intake
Object Number: 1331443 Size: CH

Connector Part Information

  • OEM: 1928403966
  • Service: 88988583
  • Description: 3-Way F (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

Camshaft Position (CMP) Sensor Bank 1 Intake

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

OG

5275

CMP Sensor Signal Intake Bank 1

3

GY

705

5-Volt Reference 2

Camshaft Position (CMP) Sensor Bank 2 Exhaust
Object Number: 1331443 Size: CH

Connector Part Information

  • OEM: 1928403966
  • Service: 88988583
  • Description: 3-Way F (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

Camshaft Position (CMP) Sensor Bank 2 Exhaust

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

PU

5274

CMP Sensor Signal Exhaust Bank 2

3

GY

705

5-Volt Reference 2

Camshaft Position (CMP) Sensor Bank 2 Intake
Object Number: 1331443 Size: CH

Connector Part Information

  • OEM: 1928403966
  • Service: 88988583
  • Description: 3-Way F (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

Camshaft Position (CMP) Sensor Bank 2 Intake

Pin

Wire Color

Circuit No.

Function

1

TN

470

Low Reference

2

YE

5276

CMP Sensor Signal Intake Bank 2

3

GY

705

5-Volt Reference 2

Crankshaft Position (CKP) Sensor
Object Number: 784092 Size: CH

Connector Part Information

  • OEM: 1928403874
  • Service: 88988584
  • Description: 2-Way F (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

PU/WH

5024

Low Reference

2

WH/BK

5039

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor
Object Number: 784092 Size: CH

Connector Part Information

  • OEM: 1928403874
  • Service: 88988584
  • Description: 2-Way F (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

1

YE

410

ECT Sensor Signal

2

TN

470

Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Object Number: 1331450 Size: CH

Connector Part Information

  • OEM: 1928404072
  • Service: 88988586
  • Description: 2-Way F (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

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5293

Ignition 1 Voltage

2

D-GN/WH

428

EVAP Canister Purge Solenoid Valve 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

2840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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

WH

5291

Ignition 1 Voltage

B

TN

1744

Fuel Injector 1 Control

Fuel Injector 2
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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

WH

5292

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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

WH

5291

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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

WH

5292

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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 5

Pin

Wire Color

Circuit No.

Function

A

WH

5291

Ignition 1 Voltage

B

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6
Object Number: 603098 Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Tangless 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 6

Pin

Wire Color

Circuit No.

Function

A

WH

5292

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 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

1850

Ground

B

PU

30

Fuel Level Sensor Signal

C

BK/WH

651

Signal Ground

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

  • 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

OG/BK

469

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

416

5-Volt Reference 2

Heated Oxygen Sensor (HO2S) 1
Object Number: 1523693 Size: CH

Connector Part Information

  • OEM: 42122200
  • Service: 88988764
  • Description: 6-Way F Flat Contact Housing 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

Heated Oxygen Sensor (HO2S) 1

Pin

Wire Color

Circuit No.

Function

1

PU/WH

1665

HO2S High Signal

2

WH

5279

HO2S Pump Current

3

PK/BK

5293

Ignition 1 Voltage

4

GY/WH

3113

HO2S Heater Low Control Sensor 1

5

TN

1664

HO2S Low Signal

6

L-GN

5278

HO2S Input Pump Current Sensor 1

Heated Oxygen Sensor (HO2S) 2
Object Number: 831392 Size: CH

Connector Part Information

  • OEM: 12092839
  • Service: 12092839
  • Description: 5-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: A, B, D, E
  • 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

3121

HO2S Low Signal

B

PU

3120

HO2S High Signal

C

--

--

Not Available

D

BK/WH

3122

HO2S Heater Low Control Sensor 2

E

PK

339

Ignition 1 Voltage

Ignition Coil 1
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 1

Pin

Wire Color

Circuit No.

Function

1

PU

2121

Ignition Control 1

2

PK/BK

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 2
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 2

Pin

Wire Color

Circuit No.

Function

1

OG/WH

2122

Ignition Control 2

2

PK/BK

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Ignition Coil 3
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 3

Pin

Wire Color

Circuit No.

Function

1

L-BU

2123

Ignition Control 3

2

PK/BK

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 4
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 4

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

2124

Ignition Control 4

2

PK/BK

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Ignition Coil 5
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 5

Pin

Wire Color

Circuit No.

Function

1

D-GN

2125

Ignition Control 5

2

PK/BK

5291

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

BK

1550

Ground

Ignition Coil 6
Object Number: 1331446 Size: CH

Connector Part Information

  • OEM: 1928403441
  • Service: 88988582
  • Description: 4-Way F (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

Ignition Coil 6

Pin

Wire Color

Circuit No.

Function

1

L-BU/WH

2126

Ignition Control 6

2

PK/BK

5292

Ignition 1 Voltage

3

BK/WH

151

Ground

4

BK

150

Ground

Knock Sensor (KS) 1
Object Number: 784092 Size: CH

Connector Part Information

  • OEM: 1928403874
  • Service: 88988584
  • Description: 2-Way F (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

Knock Sensor (KS) 1

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

KS Signal Bank 1

2

GY

1716

KS Low Reference Bank 1

Knock Sensor (KS) 2
Object Number: 784092 Size: CH

Connector Part Information

  • OEM: 1928403874
  • Service: 88988584
  • Description: 2-Way F (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

Knock Sensor (KS) 2

Pin

Wire Color

Circuit No.

Function

1

L-BU

1876

KS Signal Bank 2

2

TN

407

KS Low Reference Bank 2

Manifold Absolute Pressure (MAP) Sensor
Object Number: 1331443 Size: CH

Connector Part Information

  • OEM: 1928403966
  • Service: 88988583
  • Description: 3-Way F (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

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

1

GY

605

5-Volt Reference 1

2

TN

470

Low Reference

3

OG/BK

5266

MAP Sensor Signal

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Object Number: 816170 Size: CH

Connector Part Information

  • OEM: 15327729
  • Service: 88987989
  • Description: 5-Way F Jr-Power Timer Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 4-964286-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12093647/J-35616-4A (PU)

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

Pin

Wire Color

Circuit No.

Function

1

TN

472

IAT Sensor Signal

2

PK

339

Ignition 1 Voltage

3

BK

2760

Low Reference

4

GY

2709

5-Volt Reference 2

5

YE

492

MAF Sensor Signal

Throttle Actuator Control (TAC) Module
Object Number: 816178 Size: CH

Connector Part Information

  • OEM: 19676161
  • Service: See Catalog
  • Description: 6-Way F (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

1

D-GN

485

TP Sensor 1 Signal

2

GY

2701

5-Volt Reference

3

BN

582

TAC Motor Control 2

4

PU

486

TP Sensor 2 Signal

5

YE

581

TAC Motor Control 1

6

TN

2752

Low Reference