2002 Ford F150 towing package wireing

2002 FORD F-150
163,000 MILES • 6 CYL • 2WD • MANUAL
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GARYJACK
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My trailer plug ,on truck, has running lights but no signal or brakes. The fuse that powers them are good but have no power coming to them. Is there a relay or another fuse that I'm missing?
Sep 16, 2010 at 10:59 AM
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CJ MEDEVAC
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See my profile, Imma CJ guy, I answer alot in the CJ Forums.

Have you tested your Plug (the truck end) with a voltmeter.....or are you going by the trailer lights?

I do not know about relays, but most rigs do not use them on running lights.

Pull and reinstall your fuse(s) several times to "clean" the tips.....or even try another fuse (for the heck of it)

Make sure you have found ALL locations of fuses (owners manual)

Go under and unplug the pigtail where it connects to your truck (same as a fuse, in out, in out to clean pins).......Use dielectric grease on the pins when you plug them back.....Cheap at parts store.

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The Medic
Sep 16, 2010 at 3:44 PM