Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Fog/Driving Lamp 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.