GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Center (DIC)
Table 2: Instrument Panel Cluster (IPC) C1
Table 3: Instrument Panel Cluster (IPC) C2
Table 4: Seat Belt Switch
Table 5: Trip Odometer Reset Switch

Driver Information Center (DIC)


Object Number: 493166  Size: CH

Connector Part Information

    • 15317982
    • 12-Way M (NAT)
    • Flat Wire Connector

Pin

Wire Color

Circuit No.

Function

A1

FW

2144

Hazard Switch Signal

A2

FW

14

Left Turn Signal Lamps Supply Voltage

A3

FW

1491

Backlight Lamps Control

A4

FW

451

Ground

A5

FW

440

Battery Positive Voltage

A6

FW

41

Ignition 3 Voltage

B1

--

--

Not Used

B2

FW

450

Ground

B3-B4

--

--

Not Used

B5

FW

1807

Class 2 Serial Data (Primary)

B6

FW

1807

Class 2 Serial Data (Primary)

Instrument Panel Cluster (IPC) C1


Object Number: 493166  Size: CH

Connector Part Information

    • 15317982
    • 12-Way M (NAT)
    • Flat Wire Connector

Pin*

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

FW

99

Windshield Washer Fluid Level Signal

A4

FW

68

Low Coolant Level Indicator Control

A5

FW

14

Left Turn Signal Lamps Supply Voltage

A6

FW

1537

ABS Indicator Signal

A7-A8

--

--

Not Used

B1

FW

333

Brake Fluid Level Sensor Signal

B2

FW

817

Vehicle Speed Signal

B3

FW

1134

Park Brake Switch Signal

B4

FW

1807

Class 2 Serial Data (Primary)

B5

FW

1807

Class 2 Serial Data (Primary)

B6

FW

121

Engine Speed Signal

B7-B8

--

--

Not Used

* A Pins = Top

B Pins = Bottom

Instrument Panel Cluster (IPC) C2


Object Number: 493166  Size: CH

Connector Part Information

    • 15317982
    • 12-Way M (NAT)
    • Flat Wire Connector

Pin*

Wire Color

Circuit No.

Function

A1

FW

15

Right Turn Signal Lamps Supply Voltage

A2

--

--

Not Used

A3

FW

450

Ground

A4

FW

376

Trip Odometer Reset Switch Signal

A5

FW

894

DIC Toggle Switch Signal

A6

FW

1491

Backlight Lamps Control

B1

FW

419

MIL Control

B2-B3

--

--

Not Used

B4

FW

1039

Ignition 1 Voltage

B5

FW

440

Battery Positive Voltage

B6

FW

451

Ground

* A Pins = Top

B Pins = Bottom

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

Left Seat Belt Switch Low Reference

B

BLK/WHT

238

Left Seat Belt Switch Signal

Trip Odometer Reset Switch


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

450

Ground

8

LT GRN

376

Digital Trip Odometer Reset Switch Signal

9

DK BLU

894

DIC Toggle Switch Signal

10

YEL

1491

Backlight Lamps Control