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

Inside Rearview Mirror (ISRVM)


Object Number: 872580  Size: CH

Connector Part Information

    • OEM: 917981-2
    •  16-Way F Housing/(0.040/0.070 HYBRID I/O) (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN

6857

Headlamp Automatic High Beam Dim Status (TT6)

2

BARE

1782

Drain Wire

3

TN/WH

1969

Headlamp High Beam Relay Control (TT6)

4

D-BU

6856

Headlamp Automatic High Beam Dim Enable (TT6)

5

GY

1690

Automatic Day/Night Mirror Signal

6

BN

818

Vehicle Speed Signal (TT6)

7

PU

6858

Headlamp Automatic High Beam Dim Supply Voltage (TT6)

8

BK

850

Ground (w/o TT6/TT7/TT8)

8

BK/WH

851

Signal Ground (w/TT6)

9

L-GN

24

Backup Lamp Supply Voltage

10

GY

655

Cellular Telephone Microphone Signal

11

D-GN/WH

2514

Keypad Signal

12

L-GN/BK

2515

Keypad Supply Voltage

13

PK

1339

Run/Crank Ignition 1 Voltage

14

YE/BK

2516

Keypad Green LED

15

BN/WH

2517

Keypad Red LED

16

PK

1691

Automatic Day/Night Mirror Low Reference

Rear Window Defogger - C1


Object Number: 38284  Size: CH

Connector Part Information

    • OEM: 12064750
    • Service: 12101935
    •  2-Way M Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

PU

293

Rear Defog Element Supply Voltage

B

BK

1950

Ground

Rear Window Defogger - C2


Object Number: 696943  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

1850

Ground