Question about 2004 Ford Ranger

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94 ford ranger blowing fuses when i turn on headlights

I have a 94 ranger and 2 days ago I blew a fuse that made my brake lights stop working. My ABS light started flashing. I changed the fuse and the ABS went away and my brake lights worked again. Next day, it blew again. Through experiment, I've figured out this only happens when I turn my headlights on. I do have trailer lights on my truck, but they have been there for a good year or so and never caused a problem. Does this sound expensive? If it is the trailer lights, do I have to unhook the battery first or can I just disconect them?

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  • rdbunda Apr 23, 2009

    Hey thanks alot for the tip. I was minutes away from going to Canadian Tire who were going to charge me $84.99 for a diagnostic plus parts and labour which they said could take anywhere from 1-3 hours. I went outside and checked my trailer harness and the black box in the middle was melted and smelled. I took it off, plugged my lights back the way they were before the harness and no more blown fuses!!! Thank you so much.

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I would check the trailer light wiring to make sure it doesnt have any wires that are exposed or touching metal.Odds are that is what is causing the fuse to blow

Posted on Apr 23, 2009

  • Carlos0746 May 27, 2012

    Man you dont know how informative your comments were. I checked the trailer wiring harness and almost all the wires were exposed so I fixed it and "Whala" problem solved. Thank you very much.

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