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When a fuse blows. What do you do?

Updated: 12/9/2022
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9y ago

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When a fuse blows, replace it with an identical [same Amperage rating] new fuse.

If the replacement fuse also blows, then that is an indication that there is either a short circuit condition in that circuit or you have an overload condition due to too many electricity-using devices connected to that circuit, or one that draws too much electrical current [current is measured in Amperes (Amps), or milliamps (thousandths of an Amp)].

The "fix" for repeatedly blowing fuses is to troubleshoot the circuit involved, find and identify the fault, properly repair it, and then install another good fuse.

CAUTION: A few ignorant folks will tell you to put a fuse of higher Amperage rating in, but that is very poor advice as that can lead to overheating of the conductors [wires] which will damage the wire insulation or, in a worst-case scenario, cause the vehicle to catch on fire! Don't follow bad advice.

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