Adding electric brake trailer hookup, how hard?

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Jun 26, 2012 | 10:54 AM

#16

DIYMechanic

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From: Orrville, Ohio

That's it! the one to the right of the driver's side foot well.

Jun 26, 2012 | 11:31 AM

#17

wildstang

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From: Orange, Vermont

Sounds like it is all there. Now to get the stuff and see if works.

Jun 26, 2012 | 12:54 PM

#18

DIYMechanic

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From: Orrville, Ohio

Also, if you're planning to use the 7 pin round trailer plug or run electric brakes, you may want to look under the hood and make sure that the relays are in their respective boxes. I think the brakes should be good to go, but if the truck wasn't set up with the towing package, you may need to add the relays for the 12V feed to the battery in your trailer and the backup lights on it. Those relays were missing in my truck when I got it even though it had the wiring in place.

Jun 26, 2012 | 01:30 PM

#19

wildstang

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From: Orange, Vermont

Hmm, any picture of that, probably doesn't show it in the owner manual does it?

Jun 26, 2012 | 01:53 PM

#20

DIYMechanic

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From: Orrville, Ohio

I thought it was on the side of the main relay center under the hood....
Hmm, maybe I am thinking of my previous truck....

Jun 26, 2012 | 02:17 PM

#21

wildstang

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From: Orange, Vermont

So far no luck finding the rear harness adapter

Jun 26, 2012 | 02:42 PM

#22

DIYMechanic

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From: Orrville, Ohio

I guess your guy at the parts store didn't have one then? Used is probably going to be your best bet. Junk yards, ebay, etc...

Jun 26, 2012 | 02:46 PM

#23

wildstang

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From: Orange, Vermont

Unfortunately I may need to use it by Friday. I really don't want to hack into it.

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Jun 26, 2012 | 02:47 PM

#24

DIYMechanic

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From: Orrville, Ohio

Here is one that would work I think. It plugs into your 4 prong flat and one of the round connectors under the truck:

Ford Trailer Hitch Wiring RV upgrade factory harness to 7-way combo w/ 4-flat | eBay

Here is the OEM one (for $119 ouch!

):
BRAND NEW FORD OEM 7 PIN CONNECTOR TRAILER WIRING HARNESS FEED #F6TZ-13A576-BA | eBay

Jun 26, 2012 | 02:54 PM

#25

ReBilld

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From: Southern West Virginia

Quote:

Originally Posted by Action4478

My truck came with the controller pig tail in the glove box .. & under the dash in the center , there is a factory plug for it ...Not sure if its that way in the 250's ...

Can you still get those factory pigtails? From Ford maybe?

Jun 26, 2012 | 04:20 PM

#26

wildstang

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From: Orange, Vermont

Quote:

Originally Posted by ReBilld

Can you still get those factory pigtails? From Ford maybe?

My local dealer said +/-$145

Jun 26, 2012 | 04:25 PM

#27

wildstang

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From: Orange, Vermont

Do those 7 wires supply everything needed once the controller is hooked up? So frustrating

Jun 26, 2012 | 05:17 PM

#28

Action4478

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Quote:

Originally Posted by wildstang

My local dealer said +/-$145

I got my 7 pin plug from a local trailer supply ...

Jun 26, 2012 | 05:25 PM

#29

wildstang

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From: Orange, Vermont

Tried local parts stores, truck accessories place and rv dealer, nothing really except going to the normal 4 prong trailer lights

Jun 26, 2012 | 08:45 PM

#30

wildstang

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From: Orange, Vermont

Giving up the dream of plug and go. One of the prongs in the 3 prong plug in is broke. So hard wire it is. So the 4 prong plug
brown wire with white stripe is parking lights
small yellow left blinker
green right blinker
Big yellow ??

3 prong plug
orange power on key
blue??
black??

Any guesses on the 3 unknown

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