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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

7-Pin Plug for Trailer

Old 07-10-2019, 02:12 PM
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Default 7-Pin Plug for Trailer

Does anyone have a wiring schematic for hooking up a 7-pin trailer plug to a 97-03 F-150? I tried searching on here and came up short.
Old 07-10-2019, 02:39 PM
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Old 07-10-2019, 02:47 PM
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Thanks, white89gt. Any insight into what wires to splice into (colors, etc.) on the truck?
Old 07-10-2019, 03:28 PM
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This all I can find.... mine was pre-wired from the factory.




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Old 07-10-2019, 04:14 PM
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Cool! Thanks man!
Old 07-10-2019, 04:44 PM
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No worries. Hope it helps!
Old 07-10-2019, 05:42 PM
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Would the truck have the plug on the harness under the bed in frame rail for the 7 pin and the 4 pin plugs that would enable you to buy the harness and plugs on the bracket and install?
Old 07-10-2019, 07:30 PM
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I don't know if they all came like that, or not. Both my F150 and my Expy came from the factory with 7 pin connectors, and trailer brake capabilities.
Old 07-11-2019, 09:47 AM
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Originally Posted by LWJ
Would the truck have the plug on the harness under the bed in frame rail for the 7 pin and the 4 pin plugs that would enable you to buy the harness and plugs on the bracket and install?
I am going to get under it and check tonight. It would certainly be nice if it did. It has a factory Class III hitch so I'm hopeful.
Old 07-11-2019, 04:27 PM
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Probably on drivers side above spare tire inside frame rail if it is there.
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