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Question:

Fuse keeps going out in my car?

I have a 30amp fuse that operates my door locks and power seats. I carry around a box of them because sometimes the fuse will last a couple of weeks, or days or hours. Any ideas of an easy fix?

Answer:

is there a penny in your cigarette lighter that is known to blow fuses, also just take out the cig lighter and see how long it lasts then.
Either you have an intermittent short to ground in the wiring or something on the circuit (motor, for example) is adding resistance and subsequently pulling excessive current because it is binding/starting to fail etc. and causing the circuit to overload and the fuse to pop. Is there anything else on the circuit that you know of? Do the power seats move smoothly and consistently on the tracks? Some cars have several motors that control the power seats so it can get complicated if one of them is the culprit. If it is not in the wiring and a component is causing it it sometimes it is easier to wait for the problematic component to take a sh*t and then just replace it. That's about the best that I can say over a computer. Good luck!

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