Rear Window Defogger System Components
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The rear window defogger system consist of the following components:
- HVAC control module
- Body control module (BCM)
- DEFOG relay
- Rear window that has a number of grid lines