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

Inside Rearview Mirror (ISRVM)


Object Number: 872580  Size: CH

Connector Part Information

  • OEM: 917981-2
  • Service: See Catalog
  • Description: 16-Way F Housing Hybrid I/O (BK)

Inside Rearview Mirror (ISRVM)

Pin

Wire Color

Circuit No.

Function

1-5

--

--

Not Used

6

L-GN/BK

735

Ambient Air Temperature Sensor Signal (DH3)

7

GY

720

Low Reference (DH3)

8

BK

750

Ground

9

L-GN

24

Backup Lamps Supply Voltage (DH3)

10

--

--

Not Used

11

D-GN/WH

2514

Keypad Signal (UE1)

12

L-GN/BK

2515

Keypad Supply Voltage (UE1)

13

YE

43

Accessory Voltage

14

YE/BK

2516

Keypad Green LED Signal (UE1)

15

BN/WH

2517

Keypad Red LED Signal (UE1)

16

--

--

Not Used

Rear Defogger C1


Object Number: 1283119  Size: CH

Connector Part Information

  • OEM: 520961-1
  • Service: See Catalog
  • Description: 1-Way (BK)

Rear Defogger C1

Pin

Wire Color

Circuit No.

Function

A

BK

293

Defogger Relay Control

Rear Defogger C2


Object Number: 1283119  Size: CH

Connector Part Information

  • OEM: 520961-1
  • Service: See Catalog
  • Description: 1-Way (BK)

Rear Defogger C2

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground