Trailer towing pops flasher fuse

jsc7002 · **Posted:** Thu Nov 13, 2008 1:47 pm

did you install the wiring? I had the same thing happen to me, and for me it turned out that I didnt run one of the wires high enough and it ending up sitting on the exhaust and was burning it

offroadohio · **Posted:** Thu Nov 13, 2008 2:42 pm

I have had my trailer wiring on my liberty since April. Its the simple plug and play 4prong harness with no splicing required.
I have towed many trailers various distances with no issues until this past sunday.

Sunday morning I was towing my my atv on a small trailer with only two lights on the back. I hit the turns ignal and popped a fuse. I stopped replaced the fuse and popped it again about an hour later.
Again repalced it and it lasted the rest of the tow to the location and the tow home.

This morning I put a differant traile behind it. First time I hit the turn signal it popped the fuse. Repalced it and so far its lasting.

I spoke with someone at work the other day that tows a trailer with his KJ, and he ahs ran across this same issue.

Anyone know what the problem is?

tommudd · **Posted:** Thu Nov 13, 2008 3:04 pm

I had the cheap setup from UHaul at first and it would do that went to one form etrailers and have towed three different trailers over 20,000 miles and no problems, always happened on the left side

offroadohio · **Posted:** Thu Nov 13, 2008 9:40 pm

Mine is a drawtite brand.

I maybe something shorted out inside the converter box

Khaki-KJ · **Posted:** Fri Nov 14, 2008 2:38 am

You could look into getting the wiring harness from Chrysler, or JParts, for the Liberty. It comes with all the grommet plugs and extras you will need to just plug it in. They also have better quality control than the generic harnesses.
http://jparts.com/product_info.php?prod ... be54e32715

offroadohio · **Posted:** Fri Nov 14, 2008 7:09 pm

Popped the fuse today with out a trailer hooked up...

Going to unplug the trailer harness and see what happens.

Then going to order a new harness

offroadohio · **Posted:** Thu Nov 20, 2008 6:30 pm

jsc7002 wrote:

did you install the wiring? I had the same thing happen to me, and for me it turned out that I didnt run one of the wires high enough and it ending up sitting on the exhaust and was burning it

Turns out something similar happened to me. I found it today when I pulled the harness only mine was on the driverside. I somehow managed to pinch the left turn/brake light wire and it broke the insulation. I found the crack in the insulation and burn marks around it, I did back into a rock once and pushed the bumper inward a good deal and had a pry bar in there popping the pastic back out, probably pinched it then.

Trailer towing pops flasher fuse

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