GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position Sensor
Connector 2: Boost Pressure Actuator
Connector 3: Boost Pressure Sensor
Connector 4: Camshaft Position (CMP) Sensor
Connector 5: Crankshaft Position (CKP) Sensor
Connector 6: Diesel Particulate Filter Pressure Sensor
Connector 7: Engine Coolant Temperature (ECT) Sensor
Connector 8: Exhust Gas Recirculation (EGR) Valve
Connector 9: Exhust Gas Temperature Sensor 1
Connector 10: Exhust Gas Temperature Sensor 2
Connector 11: Fuel Filter Heater/Temperature Sensor
Connector 12: Glow Plug Control Unit
Connector 13: Fuel Injector 1
Connector 14: Fuel Injector 2
Connector 15: Fuel Injector 3
Connector 16: Fuel Injector 4
Connector 17: Fuel Pump Module
Connector 18: Fuel Rail Pressure Control Valve
Connector 19: Fuel Rail Pressure Sensor
Connector 20: High Pressure Pump
Connector 21: Mass Air Flow (MAF) Sensor
Connector 22: PTC Heater
Connector 23: Throttle Plate Actuator
Connector 24: Water In Fuel Sensor

Accelerator Pedal Position Sensor


Object Number: 886053  Size: CH

Connector Part Information

  • OEM: PED 15326830
  • Service: N/A
  • Description: 6-Way F GT 150 Series Unsealed

Accelerator Pedal Position Sensor

Pin

Wire Color

Circuit No.

Function

1

BN

--

Accelerator Pedal Position 5-Volt Reference 2

2

WH/BK

--

Accelerator Pedal Position 5-Volt Reference 1

3

BN

--

Accelerator Pedal Position Low Reference 1

4

BU

--

Accelerator Pedal Position Signal 1

5

PU

--

Accelerator Pedal Position Low Reference 2

6

L-BU

--

Accelerator Pedal Position Signal 2

Boost Pressure Actuator


Object Number: 1835112  Size: CH

Connector Part Information

  • OEM: TYCO 368162-1
  • Service: N/A
  • Description: 4-Way F JPT Sealed

Boost Pressure Actuator

Pin

Wire Color

Circuit No.

Function

1

PU/WH

--

Battery Positive Voltage

2

BK

--

Ground

3

--

--

Not Used

4

PU

--

Boost Pressure Actuator Control

Boost Pressure Sensor


Object Number: 1835112  Size: CH

Connector Part Information

  • OEM: TYCO 368162-1
  • Service: N/A
  • Description: 4-Way F JPT Sealed

Boost Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

YE/BU

--

Ground

2

L-GN

--

Intake Air Temperature Signal

3

WH/BK

--

5-Volt Reference

4

GY/BK

--

Intake Air Pressure Signal

Camshaft Position (CMP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

  • OEM: TYCO 85205-1
  • Service: N/A
  • Description: 3-Way F JPT Sealed

Camshaft Position (CMP) Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

--

Signal

2

BU/WH

--

Ground

3

PK/WH

--

Battery Positve Voltage

Crankshaft Position (CKP) Sensor


Object Number: 1467004  Size: CH

Connector Part Information

  • OEM: TYCO 85205-1
  • Service: N/A
  • Description: 3-Way F JPT Sealed

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

1

BU/WH

--

CKP High

2

YE/BK

--

CKP Low

3

GY

--

Ground

Diesel Particulate Filter Pressure Sensor


Object Number: 1830930  Size: CH

Connector Part Information

  • OEM: FEP 1J0973703
  • Service: N/A
  • Description: 3-Way F Sealed

Diesel Particulate Filter Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

PU/WH

--

5-Volt Reference

2

L-BU

--

Low Reference

3

YE/BK

--

Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 62426  Size: CH

Connector Part Information

  • OEM: PED 12040753
  • Service: N/A
  • Description: 2-Way F 150 Series Sealed

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

1

BN

--

Signal

2

GY/BK

--

Ground

Exhust Gas Recirculation (EGR) Valve


Object Number: 1467003  Size: CH

Connector Part Information

  • OEM: TYCO 827551-3
  • Service: N/A
  • Description: 2-Way F Timmer Sealed

Exhust Gas Recirculation (EGR) Valve

Pin

Wire Color

Circuit No.

Function

1

PK/WH

--

Battery Positive Voltage

2

GN/WH

--

EGR Solenoid Control

Exhust Gas Temperature Sensor 1


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: 621-02020
  • Service: N/A
  • Description: 2-Way F

Exhust Gas Temperature Sensor 1

Pin

Wire Color

Circuit No.

Function

1

PU/WH

--

Signal

2

BU/WH

--

Ground

Exhust Gas Temperature Sensor 2


Object Number: 1265364  Size: CH

Connector Part Information

  • OEM: 621-02020
  • Service: N/A
  • Description: 2-Way F

Exhust Gas Temperature Sensor 2

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

--

Signal

2

YE/WH

--

Ground

Fuel Filter Heater/Temperature Sensor


Object Number: 1835094  Size: CH

Connector Part Information

  • OEM: FCI 17260406A
  • Service: N/A
  • Description: 6-Way F 150/280 Series Sealed

Fuel Filter Heater/Temperature Sensor

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

BK

--

Ground

4

PU

--

Fuel Filter Heater Supply Voltage

5

L-GN/BK

--

Fuel Temperature Signal

6

YE/BK

--

Fuel Temperature Ground

Glow Plug Control Unit


Object Number: 1835994  Size: CH

Connector Part Information

  • OEM: FCI 60432001
  • Service: N/A
  • Description: 11-Way F Sealed

Glow Plug Control Unit

Pin

Wire Color

Circuit No.

Function

1

PU

--

Glow Plug Supply Voltage

2

PU

--

Glow Plug Supply Voltage

3

PU

--

Glow Plug Supply Voltage

4

PU

--

Glow Plug Supply Voltage

5

--

--

Not Used

6

PK/WH

--

Ignition Voltage

7

BK

--

Ground

8

--

--

Not Used

9

L-GN/BK

--

Diagnosis

10

RD/WH

--

Battery Positive Voltage

11

WH

--

Glow Plug Control

Fuel Injector 1


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

1

YE/BK

--

High

2

WH

--

Low

Fuel Injector 2


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

--

High

2

BU

--

Low

Fuel Injector 3


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

1

L-BU

--

High

2

BN/WH

--

Low

Fuel Injector 4


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

1

GN

--

High

2

WH/BK

--

Low

Fuel Pump Module


Object Number: 1468407  Size: CH

Connector Part Information

  • OEM: KET MG641521
  • Service: N/A
  • Description: 5-Way F 090II Sealed

Fuel Pump Module

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BU

--

Fuel Sensor Signal

3

PU

--

Ground

4

GY

--

Fuel Pump Supply Voltage

5

BK

--

Ground

Fuel Rail Pressure Control Valve


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Rail Pressure Control Valve

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

--

Low

2

BN/WH

--

Ground

Fuel Rail Pressure Sensor


Object Number: 1331443  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403968
  • Service: N/A
  • Description: 2-Way F Sealed

Fuel Rail Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

GN/WH

--

Ground

2

GY/BK

--

Signal

3

L-BU

--

5-Volt Reference

High Pressure Pump


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403874
  • Service: N/A
  • Description: 2-Way F Sealed

High Pressure Pump

Pin

Wire Color

Circuit No.

Function

1

PU/WH

--

Battery Positive Voltage

2

GN

--

Control

Mass Air Flow (MAF) Sensor


Object Number: 1381341  Size: CH

Connector Part Information

  • OEM: BOSCH 1928403736
  • Service: N/A
  • Description: 4-Way F Sealed

Mass Air Flow (MAF) Sensor

Pin

Wire Color

Circuit No.

Function

1

PK/BK

--

Ignition 1 Voltage

2

YE/BK

--

Ground

3

BU/WH

--

IAT Signal

4

PU/WH

--

MAF Signal

PTC Heater


Object Number: 1830932  Size: CH

Connector Part Information

  • OEM: PED15326878
  • Service: N/A
  • Description: 3-Way F GT 280 Series Unsealed

PTC Heater

Pin

Wire Color

Circuit No.

Function

1

YE/BK

--

PTC Heater Supply Voltage

2

BN

--

PTC Heater Supply Voltage

3

BU/WH

--

PTC Heater Supply Voltage

Throttle Plate Actuator


Object Number: 1835110  Size: CH

Connector Part Information

  • OEM: FEP 42121400
  • Service: N/A
  • Description: 4-Way F Sealed

Throttle Plate Actuator

Pin

Wire Color

Circuit No.

Function

1

BK

--

Ground

2

PK/WH

--

Battery Positive Voltage

3

WH/BK

--

Throttle Valve Control

4

GY/BK

--

Feedback Signal

Water In Fuel Sensor


Object Number: 1467004  Size: CH

Connector Part Information

  • OEM: TYCO 85205-1
  • Service: N/A
  • Description: 3-Way F JPT Sealed

Water In Fuel Sensor

Pin

Wire Color

Circuit No.

Function

1

BN/WH

--

Signal

2

BK

--

Ground

3

PK/WH

--

Battry Positive Voltage