Operation CHARM: Car repair manuals for everyone.

Relay Box: Testing and Inspection

Fuses and Relays

1. Check for a burnt fusible link with an ohmmeter.




2. If a fusible link burns out, there is a short or some other problem in the circuit. Carefully determine the cause and correct it before replacing the fusible link.

CAUTION: The fusible link will burn out within 15 seconds if a higher than specified current flows through the circuit.

Relay

1. Check for a burnt relay with an ohmmeter.




2. If a relay burns out, there is a short or some other problem in the circuit. Carefully determine the cause and correct it before replacing the relay.