GM Service Manual Online
For 1990-2009 cars only

Air Inlet and Rear Defogger Switch


Object Number: 334474  Size: CH

Connector Part Information

    • 90980-12113
    • BLK

Pin

Wire Color

Function

1

RED/BLU

Ignition Positive Voltage

2

BLK/BLU

Defogger Relay Control

3

BLU/WHT

Recirculation Signal

4

GRN/YEL

Fresh Signal

5

GRN

Lights On Signal

6

--

Not Used

7

WHT/GRN

Illumination Lamp Control

8

WHT/BLK

Ground