GM Service Manual Online
For 1990-2009 cars only
Table 1: Inside Rearview Mirror (ISRVM)
Table 2: Rear Window Defogger Grid C1
Table 3: Rear Window Defogger Grid C2

Inside Rearview Mirror (ISRVM)


Object Number: 872580  Size: CH

Connector Part Information

    • 917981-2
    • 16-Way M Amp .040/.070 Hybrid (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BARE

1782

Drain Wire

3-4

--

--

Not Used

5

GY

1690

Automatic Day/Night Mirror Signal

6-7

--

--

Not Used

8

BK/WH

1051

Ground

9

L-GN

24

Backup Lamp Supply Voltage

10

GY

655

Cellular Microphone Signal (UE1)

11

PU

679

Keypad Signal (UE1)

12

BN

1941

Keypad Supply Voltage

13

PK

1339

Ignition 1 Voltage

14

GY/BK

1798

Keypad Green LED Signal (UE1)

15

PU

1156

Keypad Red LED Signal (UE1)

16

PK

1691

Automatic Day/Night Mirror Low Reference

Rear Window Defogger Grid C1


Object Number: 1542249  Size: CH

Connector Part Information

    • 12015306
    • 1-Way F 56 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

850

Ground

Rear Window Defogger Grid C2


Object Number: 1542249  Size: CH

Connector Part Information

    • 12015306
    • 1-Way F 56 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

PU

293

Rear Defog Element Supply Voltage