Power Sunroof System Components
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
The power sunroof system consists of the following components:
- Sunroof control module
- Sunroof switch
- Sunroof motor
- Sunroof glass, tilt/slide style, with glass sliding between the headliner and roof
- Sunshade
- Rail and track assembly upon which the sunroof glass rides
- Power supply for the sunroof control module:
- SUNROOF 20 A fuse for motor operation
- Sunroof control module logic circuitry:
- Short wheelbase: RAP supply voltage is supplied and controlled directly from the Body Control Module (BCM) for the Retained Accessory Power (RAP) function.
- Long wheelbase: VENT WDO Relay 20 A fuse supplies the voltage through the RAP relay, that is controlled by the BCM, for the RAP function.
- Ground from G302