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Old 02-26-2019, 11:43 AM   #1
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Need Wiring Diagram for 7 Blade Trailer Connector

Since I got my 2018 22FB, I have had trouble getting the trailer plug stay connected to my truck connector. I have to wrap a bungee cord to hold it in place. I know I could take it back to the dealership and have them replace it under warranty, but that is a 3 hour drive (partially through Dallas traffic) for a $8 part that I can replace myself.
This is the part I purchase and it fits snuggly into my truck's plug.
http://www.hopkinstowingsolutions.co...ade/48505.html

I comes with a wiring diagram, but says not to go by color but by function, because not everyone follows the same standard.

Does anyone know the correct wiring schema for the the connector on this trailer?
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Old 02-26-2019, 12:00 PM   #2
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Here you go
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Old 02-26-2019, 01:07 PM   #3
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many people do not realize that the hinged cover has to go over and in font of the protruding tab on the TC connector.

That is what keeps it in.

be sure to push the connector in deep enough . the cover will then and only then keep the plug from coming out
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Old 02-26-2019, 04:42 PM   #4
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Quote:
Originally Posted by waninae39 View Post
many people do not realize that the hinged cover has to go over and in font of the protruding tab on the TC connector.

That is what keeps it in.

be sure to push the connector in deep enough . the cover will then and only then keep the plug from coming out
I understand how that works. This is not my first trailer. It would go in far enough for the tab to catch, but never far enough to make good contact. It's like there was a defect in the molding.

The new connector goes all the way in and fits snugly.

I will try the diagram posted by @GFML to wire up the new connector.
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Old 02-27-2019, 09:11 AM   #5
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Vancelot....When you remove the old plug just write down what color wire you removed from what terminal on the plug and reassemble it the same same way and you should not have a problem.
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Old 02-27-2019, 09:35 AM   #6
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Here you go
I concur.
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Old 02-27-2019, 11:34 AM   #7
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Vancelot....When you remove the old plug just write down what color wire you removed from what terminal on the plug and reassemble it the same same way and you should not have a problem.
what he said! ^^
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Old 02-27-2019, 09:18 PM   #8
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GM tow vehicles have the wiring diagram embossed on the socket cover. I use a wire tie loosely looped through one of the sockets ears. Through that I pass the breakaway lanyard before hooking it to the truck frame. Then if the socket falls out it does not get ground off dragging on the ground.
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Old 03-09-2019, 03:48 PM   #9
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Just now getting around to changing out this plug. There was no disassembling the old plug. It is injectection molded. I have the colors matching to the diagram above, except one, black. There are two thicker wires, black and white. Is black supposed to be the center wire?
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Old 03-09-2019, 04:57 PM   #10
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I figured it out. Went through the Airstream owners manual and found the wiring diagram with wire colors labeled.
Here it is if anyone else wants to know:

Image taken from this link:
http://www.hopkinstowingsolutions.co...ring-codes.pdf
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