GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor Connector
Table 2: Clutch Pedal Position (CPP) Switch Connector
Table 3: Engine Coolant Temperature (ECT) Switch Connector (KPJ/UER)
Table 4: Engine Oil Pressure (EOP) Switch Connector (KPJ/UER)
Table 5: Fuel Heater Connector (KUN)
Table 6: High Idle Switch Connector (UF3)
Table 7: Powertrain Control Module (PCM) Connector
Table 8: Stoplamp Switch Interface Module Connector
Table 9: Vehicle Speed Sensor (VSS) Connector

Accelerator Pedal Position (APP) Sensor Connector


Object Number: 68730  Size: CH

Connector Part Information

    • 12110293
    • 3 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

431

8 Volt Reference

B

BLK

808

Low Reference

C

DK BLU

417

TP Sensor Signal

Clutch Pedal Position (CPP) Switch Connector


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

379

CPP Switch Signal

B

BLK

808

Low Reference

Engine Coolant Temperature (ECT) Switch Connector (KPJ/UER)


Object Number: 35437  Size: CH

Connector Part Information

    • 12052644
    • 2 Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

535

Coolant Temperature Switch Signal

B

--

--

Not Used

Engine Oil Pressure (EOP) Switch Connector (KPJ/UER)


Object Number: 236480  Size: CH

Connector Part Information

    • 12065299
    • 1 Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

Fuel Heater Connector (KUN)


Object Number: 68721  Size: CH

Connector Part Information

    • 15300027
    • 2 Way F Metri-Pack 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

641

Ignition 3 Voltage

B

BLK

150

Ground

High Idle Switch Connector (UF3)


Object Number: 95782  Size: CH

Connector Part Information

    • 12052833
    • 2 Way M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

DK GRN

534

High Idle Switch Output

Powertrain Control Module (PCM) Connector


Object Number: 328564  Size: CH

Connector Part Information

    • 12186584
    • 70 Way F Connector Assembly, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

LT GRN/BLK

431

8 Volt Reference

5

BLK

808

Low Reference

6

GRY

1467

Shift Motor Relay - Control (HPZ) Air Shift Switch Signal (HP1/HP2)

6

--

--

Not Used (MX4/MTW)

7

--

--

Not Used

8

TAN/BLK

1921

SAE J1708 Serial Data A

9

WHT/BLK

1922

SAE J1708 Serial Data B

10-11

--

--

Not Used

12

WHT

1961

Engine Brake Switch Output

13-19

--

--

Not Used

20

GRY

324

Shift Relay Coil Supply Voltage

21

--

--

Not Used

22

BRN/WHT

379

CPP Switch Signal

23-27

--

--

Not Used

28

BRN/WHT

419

MIL Control

29

GRY

535

ECT Switch Output (w/o MX4/MTW)

30

--

--

Not Used

31

RED

2013

High Idle Indicator Control

32

YEL

400

Signal High - Front (MX4/MTW)

32

PPL/WHT

821

VSS High Signal (w/o MX4/MTW)

33

LT GRN/BLK

822

VSS Low Signal (w/o MX4/MTW)

33

--

--

Not Used (MX4/MTW)

34

DK GRN

2362

SAE J1939 Serial Data B (MX4/MTW)

34

--

--

Not Used (w/o MX4/MTW)

35

DK BLU

84

Cruise Control Set/Coast Switch Signal

36

DK GRN

389

Vehicle Speed Signal (w/o MX4/MTW)

36

--

--

Not Used (MX4/MTW)

37-39

--

--

Not Used

40

DK GRN

534

High Idle Switch Output

41

--

--

Not Used

42

BLK/WHT

2363

SAE J1939 Serial Data Shield (MX4/MTW)

42

--

--

Not Used (w/o MX4/MTW)

43

--

--

Not Used

44

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

45

TAN

848

Brake Switch Signal

46

WHT/BLK

448

Powertrain Diagnostic Enable

47

--

--

Not Used

48

BLK

850

Ground (w/o MX4/MTW)

48

--

--

Not Used (MX4/MTW)

49

--

--

Not Used

50

YEL

2361

SAE J1939 Serial Data A(MX4/MTW)

50

--

--

Not Used (w/o MX4/MTW)

51

--

--

Not Used

52

ORN

840

Battery Positive Voltage

53

ORN

840

Battery Positive Voltage

54-58

--

--

Not Used

59

GRY

397

Cruise Control On Switch Signal

60-61

--

--

Not Used

62

ORN/BLK

1786

PNP Switch Signal

63

--

--

Not Used

64

LT BLU

20

Stop Lamp Supply Voltage

65

BLK/WHT

451

Ground

66

DK BLU

417

TP Sensor Signal

67

BLK/WHT

451

Ground

68-69

--

--

Not Used

70

PNK

139

Ignition 1 Voltage

Stoplamp Switch Interface Module Connector


Object Number: 62420  Size: CH

Connector Part Information

    • 12004706
    • 6 Way F Printed Circuit Edgeboard Series Standard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Ignition 1 Voltage

B

PNK

139

Ignition 1 Voltage

C

BLK

850

Ground

D-F

--

--

Not Used

Vehicle Speed Sensor (VSS) Connector


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High Signal

B

LT GRN

822

VSS Low Signal