SOURCE: Need wiring diagram of rear-window defogger circuit for 2008 Chevy Impala LT. i just fixed my car to the exact question above, it took 20 minutes total. yes I\'m good with a wrench, but this fix doesn\'t reqire you to be. Problem: Rear defroster doesn\'t work, but the fuse is good and the little light comes on on the button.. Chevrolet Impala LT 2008 - 2008 GENERAL MOTORS Impala Chevrolet Impala LT 2008 - BUZZERS, RELAYS & TIMERS Chevrolet Impala LT 2008 BUZZERS, RELAYS & TIMERS LOCATION Component Location A/C CMPRSR Relay In underhood fuse block. See Fig. 62. Emergency Vehicle Rear Compartment Lid Lamps Relay (2) At upper right Chevrolet Impala LT 2008 - 2008 GENERAL MOTORS Impala
The rear defogger switch is in the heater control panel. Picture is square with wavy lines. If your rear defrost does not work when the button is pressed, the impala has an issue with the wiring connector below the instrument panel fuse block on the right side by your feet.. I have 2008 impala ss, rear defrost/ defogger doesn't work. Fuses were replaced and rear glass connection confirmed.. I'll post the wiring diagram below so you may see what I'm talking about.. Was reading your advice on fixing a rear window defogger on an 2006 Impala. After the wire that powers it leaves the. ase_master327