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Old 03-22-2007, 09:05 PM
Patatoe1 Patatoe1 is offline
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Join Date: Mar 2007
Location: Chicago, IL
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4 pin trailer 7 pin truck

Hey all have a couple questions. Both of my trailers have four pin connectors.
My '02 F-150 has the four pin connection
My '07 F-150 has both the four pin and seven pin connection
But my '03 F-550 only has the seven pin connection

How do I go about setting either the trailers up to be able to hook up to both four and seven pin connections? Or how do I go about setting the F-550 to accept four pin connectors?

Hope that made sense.
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Old 03-22-2007, 09:17 PM
cet cet is offline
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You can buy a 7 pin to 4 pin connector. Plug the connecter into the truck and then the trailer into that.

http://shop.easternmarine.com/index....categoryID=284
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Old 03-22-2007, 09:26 PM
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bigshoe bigshoe is offline
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Location: Central Ohio
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In the past I have used an adaptor from 7 pin to 4. I did not have brakes on that trailer so I do not know if it will effect them or not. Here is a picture of one. And where I got the picture from. I have never bought anything from this site, but I believe I have heard of others mention it before.
http://www.etrailer.com/mm5/merchant...ategory_Code=A
]
http://www.etrailer.com/c-A.htm
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Old 03-22-2007, 09:39 PM
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FearThisDeere FearThisDeere is offline
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A 7 to 4 adapter for the F550 only is what you need. No big deal. They are cheap and work well. A 4 pin plug does not have brakes.
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Old 03-22-2007, 09:43 PM
Patatoe1 Patatoe1 is offline
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I love sites like these. I knew what I needed, but the places that I had called around to had no idea what I was talking about. Thanks guys.

One more question. I am correct when saying seven pin right? Is there something called a six pin too?
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Old 03-22-2007, 09:56 PM
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bigshoe bigshoe is offline
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Quote:
Originally Posted by Patatoe1 View Post
I love sites like these. I knew what I needed, but the places that I had called around to had no idea what I was talking about. Thanks guys.

One more question. I am correct when saying seven pin right? Is there something called a six pin too?
Yes there is a six pin also look on the link I provided earlier it shows it.

Mike.
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  #7  
Old 03-22-2007, 09:57 PM
beano beano is offline
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There is a 6 pin but most trucks and trailers have 7 pins. You can go to any trailer store and buy an adapter. Not a big deal at all. You might be able to find one at wal mart even!
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Old 03-22-2007, 10:08 PM
corey4671 corey4671 is offline
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any place like autozone will have em but check EBAY! i have a seven pin on my truck and my trailer is six pin.
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  #9  
Old 03-22-2007, 10:16 PM
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Lynden-Jeff Lynden-Jeff is offline
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Location: Golden Horseshoe, Ontario
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I just got a 7 pin trailer. The guy at the place gave me a good idea. He gave me a 7 pin plug and gave me the wiring diagram. Im pretty sure its a universal thing so i will post it here, if some one wants to correct me that would be good.

Wire: Terminal:
Green >>> Brown
Brown >>> Green
Yellow >>> Red
White >>> White


I have not tried it but im pretty sure it will work. Now I have 7 pin on both my trailers. WAY better then crappy old 4 pin.

Cheers
Jeff
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Old 03-22-2007, 10:20 PM
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grandview (2006) grandview (2006) is offline
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If you have to go to Walls-Mart.
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