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Thread: CUCV trailer wiring question

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    Corporal
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    Default CUCV trailer wiring question

    I have a 1986 M1009 CUCV. I want to have the ability to use my trailers existing flat four plug with my CUCV. So my question is instead of splicing in a flat four plug adapter, does anyone make a "tee" type adapter which simply snaps into the existing connectors which lead to the military trailer plug?

    Pic's below of said existing connectors.

    Attachment 69502220170814_151510_resized.jpg20170814_151611_resized.jpg

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    4 Star General snowtrac nome's Avatar
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    I bet a light mate for that year of rig will work

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    LLM/Member 785 Recovry4x4's Avatar
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    If you get a lite mate, make sure it's for an 84. The wiring changed in 85 on civy trucks, but not on CUCVs.
    1986 M1008
    1984 M1031
    1984 M1010

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    4 Star General cucvrus's Avatar
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    Light mate with B/O light wiring configuration. Not likely. Get some other plugs and use them. That way you don't have to cut the harness.

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    LLM/Member 785 Recovry4x4's Avatar
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    What kind of trailer do you have? Do you plan on adding a hitch as well. There are a number of options and based on the direction you are going, some are better than others.
    1986 M1008
    1984 M1031
    1984 M1010

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    Madness Takes Its Toll... ODFever's Avatar
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    Shortly after I bought my M1009, I needed to use it to haul my 5' x 8' Haulmark enclosed trailer. I picked up a military trailer wiring plug with 3' of wire on it. I asked my wife to get in the driver's seat and turn on the 4 way flashers, brake lights, parking lights, left and right blinkers. I hit each female plug with a voltmeter. I created a pin diagram on a piece of paper and labeled which pin did what. Using the diagram and my wife's assistance I was able to determine which wires on the military trailer plug would connect to the 4 blade plug. I bought a 4 blade trailer wire adapter kit from the auto parts store and soldered it to the corresponding cables on the trailer plug. When I want to haul my Haulmark, I plug the adapter into the military plug next to the pintle, plug the other end into the trailer wiring harness, hitch it up, hook on the safety chains, and off I go!
    ODFever
    1930 Ford Model A Town Sedan (Ours)
    1984 M1009 CUCV Blazer (Mine)
    1960 M422 Mighty Mite (My Wife's)
    1967 M416 Trailer
    Daily Driver: 2004 Dodge Ram 3500 Crew Cab Dually 4x4 5.7L Hemi 5 Speed Manual
    ...and an incurable case of OD Fever

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    4 Star General cucvrus's Avatar
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    Quote Originally Posted by ODFever View Post
    Shortly after I bought my M1009, I needed to use it to haul my 5' x 8' Haulmark enclosed trailer. I picked up a military trailer wiring plug with 3' of wire on it. I asked my wife to get in the driver's seat and turn on the 4 way flashers, brake lights, parking lights, left and right blinkers. I hit each female plug with a voltmeter. I created a pin diagram on a piece of paper and labeled which pin did what. Using the diagram and my wife's assistance I was able to determine which wires on the military trailer plug would connect to the 4 blade plug. I bought a 4 blade trailer wire adapter kit from the auto parts store and soldered it to the corresponding cables on the trailer plug. When I want to haul my Haulmark, I plug the adapter into the military plug next to the pintle, plug the other end into the trailer wiring harness, hitch it up, hook on the safety chains, and off I go!
    That always works also.

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    LLM/Member 785 Recovry4x4's Avatar
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    Quote Originally Posted by ODFever View Post
    Shortly after I bought my M1009, I needed to use it to haul my 5' x 8' Haulmark enclosed trailer. I picked up a military trailer wiring plug with 3' of wire on it. I asked my wife to get in the driver's seat and turn on the 4 way flashers, brake lights, parking lights, left and right blinkers. I hit each female plug with a voltmeter. I created a pin diagram on a piece of paper and labeled which pin did what. Using the diagram and my wife's assistance I was able to determine which wires on the military trailer plug would connect to the 4 blade plug. I bought a 4 blade trailer wire adapter kit from the auto parts store and soldered it to the corresponding cables on the trailer plug. When I want to haul my Haulmark, I plug the adapter into the military plug next to the pintle, plug the other end into the trailer wiring harness, hitch it up, hook on the safety chains, and off I go!
    Exactly why I asked. I have the same adapters. Generally, there will always be a surplus plug available somewhere.
    1986 M1008
    1984 M1031
    1984 M1010

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    Colonel art's Avatar
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    Yes there is a "T" connector
    Trailer light 4 wire plug Napa 755-1554
    Note: You still have to splice in one turn signal wire.
    Use the connector that's in back of the bumper underneath the left tail light.

    Works great in my M1009

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  12. #10
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    Quote Originally Posted by art View Post
    Yes there is a "T" connector
    Trailer light 4 wire plug Napa 755-1554
    Note: You still have to splice in one turn signal wire.
    Use the connector that's in back of the bumper underneath the left tail light.

    Works great in my M1009
    Thanks I'll take a look, and see if I can find it.

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