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

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Fail Safe Relay: Testing and Inspection





Relay Inspection
1. Remove the fail-safe relays and motor relay.

2. Check for continuity between terminals C and D. There should be continuity.

3. Check for continuity between terminals A and B. There should be continuity when the battery is connected between terminals C and D. There should no continuity when the battery is disconnected.