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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Power Window Relay: Testing and Inspection

1. Remove the power window relay in the under-hood fuse/relay box.

Relay Test:




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.