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Need Help wiring 6-wire trailer to 7-wire F350
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redfrmr
Posted 3/13/2013 19:40 (#2963134)
Subject: Need Help wiring 6-wire trailer to 7-wire F350


EC Iowa
Anyone know how to wire a 6-wire car trailer w/ brakes to a F350 Ford, that has a 7-wire trailer hookup. I don't have an owners manual for pickup but looked online for wiring diagram but gave me choices, I couldn't figure out. TIA
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polly03
Posted 3/13/2013 19:44 (#2963145 - in reply to #2963134)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


Tractor supply has trailer adapters for that. There like 15-20 bucks. I have the same scenario for my pick up and stock trailer and the adapter is what i use.
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redfrmr
Posted 3/13/2013 20:07 (#2963217 - in reply to #2963145)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


EC Iowa
Sorry I didn't explain. I'm rewiring trailer and I need to know how to wire what wire from trailer to color schematic or prong on ford pickup receiver
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tomosakis
Posted 3/13/2013 20:18 (#2963252 - in reply to #2963134)
Subject: RE: Need Help wiring 6-wire trailer to 7-wire F350


Osakis, MN
http://amazon.curtmfg.com/sitepro12.sitepro.com/masterlibrary/01res...


http://amazon.curtmfg.com/index.cfm.36.html
This should help I think. If not google 7 pin rv wiring

Edited by tomosakis 3/13/2013 20:19
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Fingers77
Posted 3/13/2013 21:08 (#2963477 - in reply to #2963134)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350



Industry standards:

Left turn: yellow
Right turn: green
Trailer marker: brown
Ground: white
Trailer brake: blue
Aux/battery charge: red
The last one should be reverse lights not needed on 6 wire round

Your trailer wiring harness should have those colors, if not just use a test light to chase the truck wires.

I always use die electric grease when making terminal connectioms, and I always put it on the pins of the female connector. Once I started doing that I had less roblems.
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Galaxie64
Posted 3/13/2013 21:19 (#2963521 - in reply to #2963134)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


SCWY
Factory Ford plug lids have the pin layout printed on them, at least for the last 10-15 years.
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dewgubbe
Posted 3/13/2013 23:21 (#2963889 - in reply to #2963521)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


Northeast Nebraska
Industry standard? LOL. You are kidding right?

Okay, maybe for vehicles, but 7 ways (RV plugs), semis, and pickups all use different colors and terminal locations. I had the pleasure to install a flatbed recently and mis wired both of the RV plugs I installed.

This chart is accurate and is the best I've found.

WARNING: If you buy a Curt brand, ect. plug, it will have printed on it what color wires go where. IT IS WRONG. atleast for pickups it is wrong. It may be right for an RV, but I'm not sure.

USE THE CHART

Edited by dewgubbe 3/13/2013 23:24




(qu35493_2_800.jpg)



Attachments
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Attachments qu35493_2_800.jpg (83KB - 74 downloads)
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redfrmr
Posted 3/14/2013 06:30 (#2964097 - in reply to #2963889)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


EC Iowa
That is what I bought was a "Curt" brand plug and tried several combinations for 2 1/2 hours and gave up.. Thanks to all for your info!
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mmaddox
Posted 3/14/2013 10:38 (#2964620 - in reply to #2964097)
Subject: Re: Need Help wiring 6-wire trailer to 7-wire F350


In a world of standardization, trailer wiring is far from it. Both wire color and pin position vary by application/industry. The most common common color coding is; green-right turn (think turn when clear), yellow-left turn (think turn with caution), red-stop (be it lights or electric brakes), black and/or brown-tail and markers, blue-aux (be it back-up lights or whatever, and white-ground. The ground pin/socket/lug is larger than the rest.
Pin position/useage is not as standardized. It is not unusual to find mating connectors to be labeled differently. The adapters can be equally challenging.
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