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Try a lower fuse (15) first and see if that doesn't work. if it also blows, go 10 then 5. if they all blow, try 25. it is best to go lower first, though, to prevent fire hazard. The 20 amp fuse is the correct fuse for stock accessory draw. Unless you have added additional aftermarket accessories, your fuse may be blowing because there is a short in the system somewhere rather than an overdraw. If a 20 blows, then anything lower definitely will too. The amp rating of the fuse is the maximum amps it can draw. DON'T GO HIGHER!!! As stated above, the system probably has a short unless you've added additional accessories. If you have, remove them from the circuit and run directly from the the battery or ignition switch (determined by whether you need constant or switchable power) with an in-line fuse. The guage wire on the original circuit may not be able to handle more amperage. If you increase the amperage fuse, it won't blow when the amps through the wire exceed 20 which will cause the wires to heat up and possibly catch on fire. Nothing ruins a car worse than a melted wiring harness.

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18y ago

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