Running Light Problem
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Junior User
Joined: May 2006
Posts: 92
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Running Light Problem
i have a 85 f250, i keep blowing a fuse that runs my running lights and guage lights, but my headlights stilll work and brake lights only come on when i hit the brake, this all happened one morning while headin to work, i replaced the number 20 fuse and soon and i pulled the **** to turn on the running lights the fuse blew. i have no clue wut to do.
Junior User
Joined: Jan 2009
Posts: 56
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You might have a short somewhere.It could range from a bare wire grounding out,lightswitch which would be the first place I would start looking.I would put a new one in and see if that fixes the problem.I that dont work you will need a chiltons manual with the vehicles wire diagram and start tracking wires.It could also be a bad light fixture.Check your fixtures for corrosion.Any elcetrical device not getting good connection will A.not work or B.draw alot of amperage that can exceed the fuse rating or burn up.
Lead Driver
Joined: Dec 2002
Posts: 5,491
Likes: 16
From: Kuna ID
I mentioned this awhile, but the brown/white wire for the running lights that comes out of the fusebox likes to melt on these trucks. I found a good foot of the wire on my truck had melted the insulation off and I wasn't even having any problems with the lights yet. I noticed the same thing had happened to a 1990 F-250 I was parting out. I replaced that section of wire with something a little heavier.
