Symptoms - Wiring Systems: Notes
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Review the system operation in order to familiarize yourself with the system functions. Refer to Power Mode Description and Operation
and Retained Accessory Power (RAP) Description and Operation
.