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Tail light fuse blowing

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Old 10-12-2010, 02:48 AM
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Default Tail light fuse blowing

1991 4x4 base Cherokee 4.0. My tail light fuse keeps blowing when I turn the ignition to the start position. If the car is running and I replace the fuse the lights stay on. Any ideas?
Old 10-12-2010, 02:51 AM
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short in the rear harness maybe
Old 10-12-2010, 03:20 AM
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I could not find one. Would that relate to the ignition?
Old 10-12-2010, 05:02 AM
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when you start the truck are you applying the brakes try start with out applying the pedal if it dont blow check brake light switch and tail liights for pinched or shorted housing wires ect

Last edited by freegdr; 10-12-2010 at 05:06 AM.
Old 10-12-2010, 08:56 AM
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My work van had the same prob and the mechanic shop we bring it to said it had a bad ground at the rear of the van.
Old 10-12-2010, 11:12 AM
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x2 on a bad ground at the taillights
Old 10-12-2010, 01:09 PM
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Originally Posted by freegdr
when you start the truck are you applying the brakes try start with out applying the pedal if it dont blow check brake light switch and tail liights for pinched or shorted housing wires ect
Brake lights still work. Everything works up until the starter is engaged then that tailight fuse blows...Ive rewired the tail light boxes twice...just to make sure...Imm ready to do it three times...
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