Operation CHARM: Car repair manuals for everyone.

Headlamp Relay: Testing and Inspection




Tail Light Relay, Headlight Relay, Front Fog Light Relay Inspection

1) Remove tail light relay (1), headlight relay and/or front fog light relay (4).











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