GMC 88861354 Fuse,30 A

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The vehicle's electrical circuits are saved by fuses. When there is an excessive current in the circuit, it will cause the fuse element to melt and thus stop the flow of current. Each Devilles and Fleetwoods have a fuse block that is located under the left hand side of the instrument panel. Also, a 1991-93 model Deville and Fleetwood are equipped with a fuse block that can be found at the rear of the engine compartment. In Eldorado and Sevitte, this is in a glove box behind an access panel. For 1992-98 Eldorado and Seville, there are two fuse blocks, one located on the left side of the engine compartment, on the wheelwell and one located on the side of the trunk. To check whether or not a fuse is blown, remove it from its slot in the fuse block and look for a break in the center of its element wire. Should any break exist in it, replace it with another whose rating is similar to itself. It should also be kept in mind that it is essential to change a blown fuse with that which has got similar type as well as an equal amount of current rating. Installing a higher-rated fuse can lead to vehicle fire or personal injury as well as damages on your car.

If a replacement fuse immediately fails, the cause of the problem should be isolated and corrected.

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.