GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Center (DIC) Switch
Table 2: Electronic Compass Module
Table 3: Engine Oil Level Switch
Table 4: Engine Oil Pressure (EOP) Sensor
Table 5: Head Up Display (HUD) Switch
Table 6: Heads Up Display (HUD)
Table 7: Instrument Panel Cluster (IPC) C1
Table 8: Instrument Panel Cluster (IPC) C2
Table 9: Vehicle Speed Sensor (VSS)

Driver Information Center (DIC) Switch


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1491

Backlight Lamps Control

B

LT BLU

811

Metric Conversion Switch Signal

C

LT GRN

376

Trip Odometer Reset Switch Signal

D

PNK

893

DIC Select Menu Switch Signal (W/U50/U2F)

E-H

--

--

Not Used

J

PNK/BLK

1379

DIC Reset Switch Signal (W/U50/U2F)

K

LT GRN

1055

Low Tire Pressure Reset Switch Signal

K

ORN

1816

DIC Mode Switch Signal (W/U50/U2F)

L

BLK

450

Ground

M

--

--

Not Used

Electronic Compass Module


Object Number: 62467  Size: CH

Connector Part Information

    • 12064980
    • 9-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

7-8

--

--

Not Used

9

WHT

193

Rear Defog Relay Control

10

--

--

Not Used

11

PPL/WHT

336

Compass Data Signal

12

TAN/WHT

337

Compass Clock Signal

13

BRN

41

Ignition 3 Voltage

14

BLK/WHT

751

Ground

15

--

--

Not Used

Engine Oil Level Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Oil Level Switch Signal

B

BLK/WHT

1551

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065286
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

808

Low Reference

B

GRY

605

5 Volt Reference

C

TAN/WHT

331

Oil Pressure Sensor Signal

Head Up Display (HUD) Switch


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro - Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

PPL/WHT

724

Vacuum Fluorescent (VF) Dimming Signal

2

BLK

450

Ground

3

YEL

621

HUD Image Down Control

4

BRN

622

HUD Image Up Control

5

BRN

41

Ignition 3 Voltage

6

YEL

1491

Backlight Lamps Control

Heads Up Display (HUD)


Object Number: 73152  Size: CH

Connector Part Information

    • 12084944
    • 16-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BRN

41

Ignition 3 Voltage

A2

ORN

440

Battery Positive Voltage

A3

--

--

Not Used

A4

BLK/WHT

451

Ground

A5

--

--

Not Used

A6

PPL

1807

Class 2 Serial Data

A7

--

--

Not Used

A8

DK GRN/

WHT

817

Vehicle Speed Signal

B1

BRN

622

HUD Image Up Control

B2

--

--

Not Used

B3

YEL

621

HUD Image Down Control

B4

--

--

Not Used

B5

PPL/WHT

724

Vacuum Fluorescent (VF) Dimming Signal

B6

--

--

Not Used

B7

LT BLU

14

Left Turn Signal Lamps Supply Voltage

B8

DK BLU

15

Right Turn Signal Lamps Supply Voltage

Instrument Panel Cluster (IPC) C1


Object Number: 701112  Size: CH

Connector Part Information

    • 15317982
    • 12-Way M (BLK)

Pin*

Wire Color

Circuit No.

Function

A1

LT BLU

14

Left Turn Signal Lamps Supply Voltage

A2

WHT

2192

Traction Ready Indicator Control (w/ NW9)

A2

--

--

Not Used (w/o NW9)

A3

DK BLU

1537

ABS Indicator Signal

A4

WHT

121

Engine Speed Signal

A5

PPL

1807

Class 2 Serial Data

A6

PPL

1807

Class 2 Serial Data

B1

BRN/WHT

419

MIL Control

B2

TAN/WHT

337

Compass Clock Signal (w/ U50)

B2

--

--

Not Used (w/o U50)

B3

PPL

333

Brake Fluid Level Sensor Signal

B4

DK GRN/

WHT

817

Vehicle Speed Sensor Signal

B5

PNK

893

DIC Select Menu Switch Signal (w/ U50)

B5

--

--

Not Used (w/o U50)

B6

LT BLU

1134

Park Brake Switch Signal

Note:

A Pins = Top of the Connector

B Pins = Bottom of the Connector

Instrument Panel Cluster (IPC) C2


Object Number: 701111  Size: CH

Connector Part Information

    • 15317983
    • 16-Way M (BLK)

Pin*

Wire Color

Circuit No.

Function

A1

BLK/WHT

99

Windshield Washer Fluid Level Signal

A2

BLK

450

Ground

A3

--

--

Not Used

A4

PPL

2259

Theft LED Signal

A5

--

--

Not Used

A6

PNK

1039

Ignition 1 Voltage

A7

ORN

440

Battery Positive Voltage

A8

BLK/WHT

351

Ground

B1

--

--

Not Used

B2

ORN

1816

DIC Mode Switch Signal (w/ U50)

B2

--

--

Not Used (w/o U50)

B3

PPL/WHT

336

Compass Data Signal (w/ U2F)

B3

--

--

Not Used (w/o U2F)

B4

LT GRN

1055

Low Tire Pressure Reset Switch Signal (w/o /U2F)

B4

PNK/BLK

1379

DIC Reset Switch Signal (w/ U2F)

B5

DK BLU

15

Right Turn Signal Lamps Supply Voltage

B6

LT GRN

376

Trip Odometer Reset Switch Signal

B7

LT BLU

811

Metric Conversion Switch Signal

B8

YEL

1491

Backlight Lamps Control

Note:

A Pins = Top of the Connector

B Pins = Bottom of the Connector

Vehicle Speed Sensor (VSS)


Object Number: 237066  Size: CH

Connector Part Information

    • 12162194
    • 2-Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Signal Low - Front

B

YEL

400

Signal High - Front