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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Compressor Clutch Relay: Testing and Inspection




A/C COMPRESSOR RELAY INSPECTION
1. Disconnect negative cable at battery.
2. Remove A/C compressor relay from vehicle.
3. Connect battery positive (+) terminal to terminal "2" of relay. Connect battery negative (-) terminal to terminal "1" of relay. Check continuity between terminal "3" and "4".
If there is no continuity when relay is connected to the battery, replace relay.