Diagnosis And Testing - Rear Window Defogger Relay: Notes
WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
- 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.