GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Center (DIC) Switch
Table 2: Head Up Display Dimmer Switch
Table 3: Head Up Display (HUD)
Table 4: Instrument Panel Cluster (IPC) C1
Table 5: Instrument Panel Cluster (IPC) C2
Table 6: Seat Belt Switch
Table 7: Engine Oil Level Switch
Table 8: Engine Oil Pressure Sensor
Table 9: Fuel Pump and Sender Assembly

Driver Information Center (DIC) Switch


Object Number: 280793  Size: CH

Connector Part Information

    • 12052444
    • 8-Way F Micro - Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

PNK/BLK

1379

Oil Change Reset Switch Signal

3

PPL

1328

DIC Gauge Signal -

4

YEL

1327

DIC Fuel Signal

5

LT GRN

376

DIC Odometer Signal

6

YEL

1491

Back Light Lamps Control

7

BLK

450

Ground

8

LT BLU

811

Metric Conversion Switch Signal

Head Up Display Dimmer Switch


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro - Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BRN

622

Head Up Display Motor Feed Up

6

BLK

450

Ground

7

BRN

41

Ignition 3 Voltage

8

PPL/WHT

724

Vacuum Fluorescent Dimming Signal

9

YEL

621

Head Up Display Motor Feed Down

10

YEL

1491

Backlight Lamps Control

Head 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

Serial Data Class 2

A7

--

--

Not Used

A8

DK GRN/WHT

817

Vehicle Speed Signal

B1

BRN

622

Head Up Display Motor Feed Up

B2

--

--

Not Used

B3

YEL

621

Head Up Display Motor Feed Down

B4

--

--

Not Used

B5

PPL/WHT

724

Vacuum Fluorescent Dimming Feed

B6

--

--

Not Used

B7

LT BLU

14

Turn Signal Lamp Feed Left Front

B8

DK BLU

15

Turn Signal Lamp Feed Right Front

Instrument Panel Cluster (IPC) C1


Object Number: 701111  Size: CH

Connector Part Information

    • 15356935
    • 16-Way M (BLK) DNL RW Series

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

LT BLU

14

Turn Signal Lamp Feed-Left Front

A4

LT BLU

1134

Park Brake Switch Signal

A5

DK GRN/

WHT

817

Vehicle Speed Signal-4000 Pulses Per Mile

A6

PPL

333

Brake Fluid Level Sensor Signal

A7

LT BLU

15

Turn Signal Lamp Feed-Right Front

A8

--

--

Not Used

B1-B3

--

--

Not Used

B4

BLK

350

Ground

B5

PNK

1039

Batery Positive Voltage

B6

ORN

440

Batery Positive Voltage

B7

BLK/WHT

351

Ground

B8

YEL

1491

Dash Integration Module Output-Backlighting Lamps

Instrument Panel Cluster (IPC) C2


Object Number: 701112  Size: CH

Connector Part Information

    • 15356936
    • 12-Way M (Black) DNL RW Series

Pin

Wire Color

Circuit No.

Function

A1

LT BLU

811

Metric Conversion Switch Signal (w/U2E)

A1

TAN

1326

Driver Information Center Signal Odometer (w/UB7)

A2

LT GRN

376

Digital Odometer Reset Switch Signal (w/U2E)

A2

PNK/BLK

1379

Reset Switch Signal (w/UB7)

A3

BRN/WHT

419

MIL Control

A4

YEL

1327

Driver Information Center Signal-Fuel (w/UB7)

A5

LT BLU

811

Metric Conversion Switch Signal (w/UB7)

A6

PPL

1328

Driver Information Center Signal-Gage (w/UB7)

B1

PPL

1807

Serial Data Class 2

B2

PPL

1807

Serial Data Class 2

B3

WHT

121

Engine Speed Signal (w/UB7)

B4

DK BLU

1537

ABS Indicator Lamp Output

B5

--

--

Not Used

B6

BLK/WHT

99

Windshield Washer Fluid Level Sensor Signal (w/UB7)

Seat Belt Switch


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri - Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1363

Driver Seat Belt Switch Return

B

BLK/WHT

238

Seat Belt Switch Signal

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 Sensor


Object Number: 258299  Size: CH

Connector Part Information

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

Fuel Pump and Sender Assembly


Object Number: 258300  Size: CH

Connector Part Information

    • 12160479
    • 4-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

1050

Ground

D

BLK/WHT

808

Low Reference