Rear Window Defogger System Components

The rear window defogger system consists of the following components:

• HVAC Control Module
• HVAC Controls
• Rear Defogger Relay
• Rear Defogger Grid
• Driver Outside Rearview Mirror
• Passenger Outside Rearview Mirror
• 40A Fuse

Fig 1: Rear Window Defogger System Diagram

Courtesy of GENERAL MOTORS COMPANY