F-150 trailer light problem / need help


Old 01-17-06, 07:38 PM
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F-150 trailer light problem / need help

I have a 1997 f-150 pick up. I cannot get power to the running light pin of my trailer connector. I have traced the wire for opens all the way back up to the enging compartment. There are no opens or shorts. I have checked all fuses and relays under the hood and under the dash. The turn signals and break light pin on the trailer connector work fine. I pulled apart the multi pin plug under the hood and back fed the running lights wire to the trailer connector and it works fine.

I'm stumped???
Old 01-18-06, 06:59 AM
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Join Date: Oct 2004
Location: north Carolina
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check for broken wire in harness.
I had that problem before
just used a test light and plug along the wire from front to back and see if there current going in i found mine where it cross over the frame and broke inside the wire casing

good luck
Old 01-18-06, 11:43 AM
daswede's Avatar
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Location: massachusetts
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if you have a after market trailer wiring harness it may be bad. My Ford pkup had a bad one. Had all the sysptoms as yours ,till i changed the thing out.

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