Cadillac 19116041 Fuse,Mini 2 A

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The electrical circuits of a vehicle are protected by a combination of fuses, circuit breakers, and fusible links.

When removed, a blown fuse is easily identified through the clear plastic body. Visually inspect the element for evidence of damage.

Fusible links are used in circuits that are not typically fused, such as the alternator circuit. On some vehicles, the alternator circuit runs from the battery to the underhood fuse box and then to an inline 200 amp fusible link.

Circuit breakers protect specific circuits like power windows and power seats. They reset automatically, so if there is an electrical overload, the circuit will momentarily fail and then come back on. If the circuit does not come back on, it should be checked immediately. Using a voltmeter, each end prong of the circuit breaker should be tested for battery voltage with the negative lead on a good chassis ground. If there is battery voltage only at one end, the circuit breaker needs to be replaced.