Operation CHARM: Car repair manuals for everyone.

Electrical System

Use gauges and testers to correctly adjust the parts to standard values.




1. Be sure to disconnect the battery cable from the negative (-) terminal of the battery.
2. Never pull the wiring when disconnecting connectors.
3. Locking connectors will click when the connector is secure.
4. Handle sensors and relays carefully. Be careful not to drop them or hit them against other parts.