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Sometimes something goes wrong with an electrical part, and it starts to draw too much electricity. When this happens, the circuit is protected by a fuse. The fuse is the weak link in the circuit, so when a problem occurs, the fuse blows, and the electricity stops flowing. This is a safety feature to protect the wiring and the rest of the car from catching fire. Many mechanics will tell you that all you have to do to check a fuse is to look at it. . I have seen fuses that visually looked perfectly OK, but were, in fact, blown. The only sure way to tell if a fuse is good is with a test light or an ohmmeter.

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19y ago

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