2004 Chevy Impala 6 cyl Front Wheel Drive Automatic 42000 miles
Rear window defoster does not work.
Light comes on when button pushed. No noise at relay. Have power to relay on upper right terminal. Left upper right terminal when engine is started.
right lower terminal changes in resistance when activating defrost switch. No change in left lower.
Relay has been replaced and breaker was changed out with power seat breaker with no change. No power to grid on rear window when switch activated.
Friday, October 29th, 2010 AT 10:16 AM