GM Service Manual Online
For 1990-2009 cars only
Table 1: Coolant Level Switch
Table 2: Instrument Cluster C1
Table 3: Instrument Cluster C2
Table 4: LH Driver Information Center (DIC) Switch
Table 5: LH Front Seat Belt Switch
Table 6: RH Front Seat Belt Switch
Table 7: RH Driver Information Center (DIC) Switch

Coolant Level Switch


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1478

Low Coolant Sensor Signal

B

BLK

150

Ground

Instrument Cluster C1


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

PNK

893

Driver Information Center Display Mode Switch Input

A3

LT BLU

811

Driver Information Center English/Metric Switch Input

A4

LT GRN

376

Driver Information Center Trip Reset Switch Input

A5

DK BLU

894

Driver Information Center Trip A/B Switch Input

A6

DK GRN/WHT

1358

Driver Information Center On/Off Switch Input

A7

ORN

1816

Driver Information Center Info Reset Switch Input

A8

PNK/BLK

1545

Driver Information Center Info Down Switch Input

A9

ORN/BLK

1544

Driver Information Center Info Up Switch Input

A10-A11

--

--

Not Used

A12

YEL

1369

55 Volt Feed

B1-B7

--

--

Not Used

B8

PPL

1807

Class 2 Serial Data Line

B10

--

--

Not Used

B11

DK BLU

15

Turn Signal Lamp Feed-RH

B12

LT BLU

14

Turn Signal Lamp Feed-LH

Instrument Cluster C2


Object Number: 73152  Size: CH

Connector Part Information

    • 12110259
    • 16 Way F Micro-Pack 100 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A1

ORN

440

IP Fuse #7

A2

--

--

Not Used

A3

PNK

1039

IGN 1 Input Fuse #12

A4

WHT

121

Tachometer Signal Input

A5

DK BLU

1537

ABS Telltale Input

A6

DK GRN/WHT

817

Vehicle Speed Signal

A7

--

--

Not Used

A8

BRN/WHT

419

Servic Vehicle Soon Telltale Input

B1

LT BLU

1134

Park Brake Switch Input

B2

--

--

Not Used

B3

LT GRN

1478

Coolant Level Switch Input

B4

PPL

333

Brake Fluid Warning Telltale Input

B5

BLK/WHT

99

Windshield Washer Level Sensor Input

B6

BLK/WHT

351

Ground

B7

BLK

450

Ground

B8

PPL

1807

Class 2 Serial Data Line

LH Driver Information Center (DIC) Switch


Object Number: 258171  Size: CH

Connector Part Information

    • 12065873
    • 7 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK

450

Ground

2

YEL/BLK

1491

Dash Integration Module Output-Backlighting Lamps

3

LT GRN

376

Digital Trip Odometer Reset Switch Signal

4

LT BLU

811

ENG/MET Switch Signal

5

DK BLU

894

Driver Information Center Switch Signal-Toggle

6

PNK

893

Driver Information Center Display Mode Switch

7

BLK/WHT

351

Ground

LH Front 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

YEL

550

Ground

B

RED

238

Seat Belt Switch Signal

RH Front 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

YEL

550

Ground

B

RED

238

Seat Belt Switch Signal

RH Driver Information Center (DIC) Switch


Object Number: 258245  Size: CH

Connector Part Information

    • 12065872
    • 7 Way F Metri-Pack 100 Series

Pin

Wire Color

Circuit No.

Function

1

BLK

450

Ground

2

YEL/BLK

1491

Dash Integration Module Output-Backlighting Lamps

3

ORN

1816

Driver Information Center Switch Info Reset

4

DK GRN/WHT

1358

Driver Information Center Switch Signal ON/OFF

5

ORN/BLK

1544

Information Up Switch Signal

6

PNK/BLK

1545

Information Down Switch Signal

7

BLK/WHT

451

Ground