Troubleshooting Hints
1. Check PWR-ACC Circuit Breaker by operating the Automatic Door Locks.2. Check GAGES Fuse by observing the Instrument Cluster Indicators.
3. Check that grounds are clean and tight.
4. If one or more of the grid lines do not heat, repair grid lines.
5. If the Rear Defogger grid becomes warm, but ON Indicator does not light, replace Heater-A/C and Rear Defogger Control Assembly.