Rear Window Defogger Relay
NOTE:
Rear window defogger relay may also be referred to as rear defogger relay or defogger relay.
- Ensure ignition is off. Remove rear window defogger relay. Rear window defogger relay is located in instrument panel junction block and is marked as DEF relay. See Figure.
- Note identification of electrical terminals on rear window defogger relay. See Fig 1. Using ohmmeter, check that no continuity exists between terminals No. 3 and 5 on rear window defogger relay. Check that continuity exists between terminals No. 1 and 2 on rear window defogger relay.
- Using jumper wires, apply battery voltage and ground to terminals No. 1 and 2 on rear window defogger relay. Check that continuity now exists between terminals No. 3 and 5 on rear window defogger relay. See Fig 1. Replace rear window defogger relay if defective.