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Old 04-19-2014, 08:47 AM   #1
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Wiring Harness adapter

Hi,
Im new owner of used Jayco 1007. It has a 7 pole wiring harness and my truck has a 4 pole. Can I just buy the adapter below without having to hook up any of the 'loose' wires (blue,black, yellow). I want to make sure Im able to use the tow vehicle batter to charge the battery if ever needed. Thank you
http://www.etrailer.com/p-30717/Adap...Connector.html
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Old 04-19-2014, 09:51 AM   #2
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I think you are going to run into the problem that the four-way plug on your truck will not support ELECTRIC BRAKES on your trailer. If it has installed electric brakes then you will want to use them (Actually a DOT Requirement)... Usually if the trailer has a 7-way cable it has electric brakes installed on it.

If the 1007 Trailer does not have electric brakes on it then your adapter down to a 4-way would probably be just fine.

Roy Ken
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Old 04-19-2014, 11:48 AM   #3
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If you only connect to the 4 pole connector that will only give you running lights, left and right brake/turn signals, and a ground. You won't get the charging wire (or electric brakes like Roy mentioned) without connecting some of the 'loose' wires.
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Old 04-21-2014, 12:30 AM   #4
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You probably need to take your truck to a shop that can do trailer wiring. If your trailer has a 7 pin head you will most likely need a brake controller installed if your truck isn't already equipped with one. If you only have a 4 prong plug I would think you don't have a controller.
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Old 04-25-2014, 09:51 AM   #5
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If you look you can find a 7 way to 4 way adapter that requires no wiring. I use one on my utility trailer. Got it at an RV outlet or check further on Etrailer.

Something like this:

http://accessories.etrailer.com/sear...0to%204%20flat
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Old 04-25-2014, 11:02 PM   #6
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[QUOTE=campingva;192339]If you look you can find a 7 way to 4 way adapter that requires no wiring. I use one on my utility trailer. Got it at an RV outlet or check further on Etrailer.


The OP has the 7 pin on his trailer and the 4 pin is on his truck.
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