5th Wheel trailer plug
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Laughing Gas
Joined: Aug 2010
Posts: 852
Likes: 12
From: Kentucky
5th Wheel trailer plug
We just installed the BW turnover ball. (thanks Epic) And after the we went to install the Ford OEM 5th wheel wiring harness that was supposed to be plug and play. 720JD said he has done this to two other trucks and the plugs were right there. Can others check for the two plugs, please?
Also, if I do not have the plugs, can I replace a wiring harness in that area to get the plugs going? Thanks!
Also, if I do not have the plugs, can I replace a wiring harness in that area to get the plugs going? Thanks!
Junior User
Joined: Apr 2007
Posts: 54
Likes: 0
I didn't use the Ford OEM harness but used a Pollack harness from etrailer.com. The Pollack harness has an end for the in-bed plug and the other end has 2 plugs. I took the 2 bolts out of the bumper mounted plug, (makes it easier to unplug connector)then unpluged the connector there. 1 of the Pollack ends "replaces" the connector you just unplugged, and the other plugs in to the factory plug that you removed (this feeds the original plug and on up to the new end in your bed) I hope that makes sense?
Postmaster
Joined: Sep 2006
Posts: 2,598
Likes: 5
From: Maryland
Man I really don't understand this. My wiring harness lies on top of the left frame rail and approximately where the spare tire sits closest to the frame the 2 plugs were hanging there along the top of the frame. I need to take a picture of the location.
The dummy ends on the plugs make them look weird. They each have 3 or 4 holes in them with funny looking rubber plugs in the holes. At first I thought there was no way my harness would plug into them, but then I realized that they were actual caps on the factory plug and you removed them just like taking the harness plugs apart.
I honestly don't know why these would be on some trucks and not others. There is nothing special about my truck i.e. no camper package, no fifth wheel prep, no snowplow package that would be cause for me to have them. My brother's truck is nearly identical except he has the snowplow package on his truck.
I am also very baffled how anybody is getting the aftermarket Pollard plug to work in their bed. That is what I originally bought and no matter what I did or where I put it, there was not enough clearance behind the bed wall for it to fit. I contemplated using a spacer and at that point realized that the Ford plug was cheaper than what I had paid for the Pollack and already had the needed spacer in a much more attractive package than I could have ever come up with.
The dummy ends on the plugs make them look weird. They each have 3 or 4 holes in them with funny looking rubber plugs in the holes. At first I thought there was no way my harness would plug into them, but then I realized that they were actual caps on the factory plug and you removed them just like taking the harness plugs apart.
I honestly don't know why these would be on some trucks and not others. There is nothing special about my truck i.e. no camper package, no fifth wheel prep, no snowplow package that would be cause for me to have them. My brother's truck is nearly identical except he has the snowplow package on his truck.
I am also very baffled how anybody is getting the aftermarket Pollard plug to work in their bed. That is what I originally bought and no matter what I did or where I put it, there was not enough clearance behind the bed wall for it to fit. I contemplated using a spacer and at that point realized that the Ford plug was cheaper than what I had paid for the Pollack and already had the needed spacer in a much more attractive package than I could have ever come up with.
Junior User
Joined: Apr 2007
Posts: 54
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You know, I never looked for the dummy plugs you're talking about because I had used this Pollack harness on my 06 and just did it like I had done on that truck. I know what you mean about the clearance issues. I put my plug in the left rear pillar facing towards the front of the truck. I had already put my plug for my 5th Wheel rear camera there, so it works for me. Sounds like I should have went with the Ford harness...
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Laughing Gas
Joined: Aug 2010
Posts: 852
Likes: 12
From: Kentucky
I know what your talking about on the plug caps. I have saw them before, but this truck for sure does not have these plugs. I dropped the spare and check all up and down the rail, as well as up in the bed. I plan on using the pollak aftermarket T harness with the ford spacer I already have. That should work.
I wonder what makes some trucks have the plugs and others don't? Is yours a 350 720JD?
I wonder what makes some trucks have the plugs and others don't? Is yours a 350 720JD?
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
I also can't find an extra plug.
I follow from the 7 pin plug on the bumper hitch but the bundle of wires disappear to the front of the truck along the left frame rail.
I took a picture except I can't find my super proprietary Olympus USB camera tether cable either...
I follow from the 7 pin plug on the bumper hitch but the bundle of wires disappear to the front of the truck along the left frame rail.
I took a picture except I can't find my super proprietary Olympus USB camera tether cable either...
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Laughing Gas
Joined: Aug 2010
Posts: 852
Likes: 12
From: Kentucky
720, I ordered a pollak harness about an hour ago and just got a shipping email. Sorry. I know about ebay. I hate it too.
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Postmaster
Joined: Sep 2006
Posts: 2,598
Likes: 5
From: Maryland
This must be a 250 vs. 350 thing, but I can't understand why it would be. It seems like it would be more challenging for the factory to add the 5th wheel prep package if there are separate harnesses on these trucks.
Thread Starter
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Laughing Gas
Joined: Aug 2010
Posts: 852
Likes: 12
From: Kentucky
I was thinking the same thing.... Maybe others with the 350 vs. the 250 can check. But it does seem odd to offer it on one and not the other.
