Headlamp Relay: Testing and Inspection

Tail Light Relay, Headlight Relay Inspection

1) Remove tail light relay (1), headlight low beam relay (2) and/or headlight high beam relay (3).





2) Check that there is no continuity between terminal "3" and "4". If there is continuity, replace relay.
3) Connect battery positive (+) terminal to terminal "2" of relay and battery negative (-) terminal to terminal "1" of relay.
4) Check continuity between terminal "3" and "4". If there is no continuity when relay is connected to the battery, replace relay.