A–8 INTRODUCTION–CIRCUIT PROTECTION CIRCUIT PROTECTION All electrical circuits are protected against excessive loads which might occur because of shorts or overloads in the wiring system. Such protection is provided by a fuse, circuit breaker, or fusible link, A short circuit may cause a fuse to blow or a circuit breaker to open. Push RESET CIRCUIT BREAKER 1. Remove Circuit Breaker (a) Disconnect the negative (–) cable from the battery. (b) Remove the circuit breaker. 2. Reset Circuit Breaker (a) Insert the needle into the reset hole and push it. (b) Using an ohmmeter, check that there is continuity between both terminals of the circuit breaker. If continuity is not as specified, replace the circuit breaker. DC12/24V 30A Equal Amperage Rating HINT: If replacing the circuit breaker, be sure to replace it with a breaker with an equal amperage rating. 3. Install Circuit Breaker (a) Install the circuit breaker. (b) Connect the negative (–) cable to the battery. HINT: If a circuit breaker continues to cut out, a short circuit is indicated. Have the system checked by a qualified technician. Wire Harness Repair Manual (RM1022E) 9