Diagnosis And Testing - Rear Window Defogger Relay: Notes
- Stop the engine. Connect the negative lead of a 0-15 volt range voltmeter to a known good vehicle electrical ground.
- Reconnect rear window grid connections if disconnected for the Fuse and Electrical Short Test. Start the engine check the voltages present at the rear window defogger relay and rear window defogger grid (Figure ). Refer to the REAR WINDOW DEFOGGER RELAY TEST table for diagnosis.