Operation CHARM: Car repair manuals for everyone.

Headlight Low Beam Relay Test

1. Remove the headlight low beam relay from the under-hood fuse/relay box.




2. Check continuity at the relay terminals.
- There should be continuity between the C and D terminals.
- There should be continuity between the A and B terminals when power and ground are connected to the C and D terminals.
- There should be no continuity between the A and B terminals when power is disconnected.