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fuse for running lights keep blowing
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Tiffany91
Novice
Aug 4, 2012, 8:45 AM
Post #1 of 10
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fuse for running lights keep blowing
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My night time running lights haven't worked for a year and I'm tired of paying mechanics $85/hr to not fix the problem..
I have a 97 mitsubishi mirage DE coupe. for some reason my night time lights and dashboard lights randomly quit working at the same time. put all new fuses (in both fuse boxes) nothing happened. put a new turn signal switch in it, nothing. recently I put a 15 amp fuse in it (requires a 10amp) . it worked for a couple days and then blew. put a 20amp in and blew instantly. So I am pretty sure it has to be a wire that is touching causing my fuses to blow but all the idiot mechanics around me are just too lazy to test wires.. Anyone know what wire it could possibly be? like which part of the car I should look at first instead of having to take all the paneling off .
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Hammer Time
Ultimate Carjunky
/ Moderator
Aug 4, 2012, 8:48 AM
Post #2 of 10
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Re: fuse for running lights keep blowing
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You have a short in the circuit somewhere and you have to have it tracked down.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tiffany91
Novice
Aug 4, 2012, 9:05 AM
Post #3 of 10
(3575 views)
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Re: fuse for running lights keep blowing
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So which wires do you think i should start out testing? like if the short is near the rear of my car will it show if i test the same wire behind the firewall? that way i dont have to take paneling off , I can just test up there and track it to the back of my car if necessary....? and thanks for reply
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 4, 2012, 9:08 AM
Post #4 of 10
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Re: fuse for running lights keep blowing
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Tiffany91: DO NOT PUT A HIGHER AMP FUSE IN ANYTHING, EVER LIKE THAT!
Yes it indicates a short and blowing a fuse is what it is supposed to do instead of burning up the car! Find that short if only to take the bulbs out and look into sockets for a problem,
T
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Discretesignals
Ultimate Carjunky
/ Moderator
Aug 4, 2012, 9:45 AM
Post #5 of 10
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Re: fuse for running lights keep blowing
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Has there been any modifications done to the lighting system or any aftermarket equipment installed? Maybe someone did an aftermarket radio install and has the illumination circuit shorted. Most shorts occur because someone had been messing with the wiring or adding stuff and that is usually the first places you look.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Aug 4, 2012, 9:46 AM)
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Tiffany91
Novice
Aug 4, 2012, 11:49 AM
Post #6 of 10
(3532 views)
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Re: fuse for running lights keep blowing
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Yes someone put blue lights under front bumper. I cut all those wires..
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 4, 2012, 12:11 PM
Post #7 of 10
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Re: fuse for running lights keep blowing
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Ah Ha! That's your place to go looking if those were to come on with running lights especially. Look for where they were connected and by what or look at where you cut them as an exposed end of powered wire sure would blow fuses,
T
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Tiffany91
Novice
Aug 4, 2012, 12:24 PM
Post #8 of 10
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Re: fuse for running lights keep blowing
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They were cut after the fuse blew...
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 4, 2012, 12:41 PM
Post #9 of 10
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Re: fuse for running lights keep blowing
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That's the are that Discretesignals mentioned about alterations etc., as a place to look for trouble. Whatever was done to power the things you cut the wire to was probably just pinched into an existing wire with junk items, perhaps just electrical tape and can short there unless that is totally sealed up, wire tapped into soldered and shrink wrapping over the damaged wire it will not tolerate exterior condition well or for long. Maybe not the problem but it would be the first place I'd look,
T
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Tiffany91
Novice
Aug 4, 2012, 1:09 PM
Post #10 of 10
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Re: fuse for running lights keep blowing
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K will do. Thanks everyone
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