GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver and Passenger Defog Relays
Table 2: Inside Rearview Mirror
Table 3: Rear Window Defogger C1
Table 4: Rear Window Defogger C2
Table 5: TV Antenna Module (UE7)
Table 6: Windshield C1 (w/ WC2/WC8)
Table 7: Windshield C2 (w/ WC2/WC8)
Table 8: Windshield C3 (w/ WC2/WC8)
Table 9: Windshield C4 (w/ WC2/WC8)

Driver and Passenger Defog Relays


Object Number: 1394181  Size: CH

Connector Part Information

    • 3334485008
    • 5-Way Bosch (BLK)

Pin

Wire Color

Circuit No.

Function

30

RED

1

Battery Positive Voltage

85

PPL

293

Rear Defog Element Supply Voltage

86

BLK

350

Ground

87

PPL

--

Windshield Defogger Supply Voltage

87A

--

--

Not Used

Inside Rearview Mirror


Object Number: 655810  Size: CH

Connector Part Information

    • 12124782
    • 16-Way F Metri-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BARE

814

Drain Wire

3

YEL

--

Not Used

4

ORN/BLK

--

Not Used

5

GRY

1690

Automatic Day/Night Mirror Signal

6-7

--

--

Not Used

8

BLK/WHT

851

Ground

9

LT GRN

24

Backup Lamp Supply Voltage

10

GRY

655

Cellular Microphone Signal

11

DK GRN/WHT

2514

Keypad Signal

12

LT GRN/BLK

2515

Keypad Supply Voltage

13

BRN

1039

Ignition 1 Voltage

14

YEL/BLK

2516

Keypad Green LED Signal

15

BRN/WHT

2517

Keypad Red LED Signal

16

PNK

1691

Automatic Day/Night Mirror Low Reference

Rear Window Defogger C1


Object Number: 38284  Size: CH

Connector Part Information

    • 12064750
    • 2-Way M Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

293

Rear Defog Element Supply Voltage

B

BLK

1850

Ground

Rear Window Defogger C2


Object Number: 95780  Size: CH

Connector Part Information

    • 12065652
    • 1-Way M Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

TV Antenna Module (UE7)


Object Number: 38284  Size: CH

Connector Part Information

    • 12064750
    • 2-Way M Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

293

Rear Defog Element Supply Voltage

B

BLK

1850

Ground

Windshield C1 (w/ WC2/WC8)


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    • 1-Way F56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

--

Driver Defog Element Supply Voltage

Windshield C2 (w/ WC2/WC8)


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    • 1-Way F56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

Windshield C3 (w/ WC2/WC8)


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    • 1-Way F56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

--

Passenger Defog Element Supply Voltage

Windshield C4 (w/ WC2/WC8)


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    • 1-Way F56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground