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car keeps blowing a fuse?
my car keeps blowing the fuse. When I put the 20 amp fuse in for the stereo and the interior lights it blows right away and there is sparks coming out of the fuse box. How do I fix this??? or what is wrong
11 Answers
- 1 decade agoFavorite Answer
There is about 5 miles of wire in an average car so finding a short can be a bit tricky. Start by takeing the bulbs out from your interior lights one at a time and check to see if the short is gone each time, if the short goes away just leave that bulb out. But I have found that most of the time the short will be in the door switch that turns your lights on when you open the door. Or if you added some thing in the car where you might have put in a screw.
- Anonymous1 decade ago
sparks coming out...theres your sign...loose wire in the box . did it have a 10 of 15 amp fuse from factory? if you put large radio and amp in it may b too big for the wires
- 1 decade ago
Sounds like to me, that you have a ground wire... somewhere... grounding out your hot wires... you could possibly put in an "in-line" fuse on your radio main hot wire, to keep the surge from blowing out your fuses....it could be as simple as you have your hot wire and ground wire installed backwards on your radio...hope this helps!
- dodge manLv 71 decade ago
this means its wired wrong,,or it has a dead short probably in the interior lights for it..you,ll have to trace through every wire starting from the interior light ,and do this until you find it,,its going to take a while,electrical work is 90% finding the problem,,and 10% repairing it,,good luck with it,,and take your time,,don't over look the problem,,its going to either be a shorted out wire,,or one that has gotten against bare metal,,good luck.
Source(s): been a certified mechanic for 36 yrs. - How do you think about the answers? You can sign in to vote the answer.
- Anonymous1 decade ago
you probably have a short do not put in a bigger fuse or you could cause a fire.take your car to someone and get it fixed.
- Anonymous1 decade ago
you have a dead short my friend or one of the things on this circut is drawing way too much power check all of the wiring to your sterio and if your running an amp find another circut or dedicate one for it
- num1huckfinnLv 51 decade ago
you have a short to ground in your fuse box...take it to a technician and let him repair it properly.
- peanutLv 41 decade ago
it has a short in it ,run a new line ,DON,T put a bigger fuse in tou will burn something up