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Cleaning trailer plug connectors?

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  • Cleaning trailer plug connectors?

    Does anyone have a quick fix to clean the male and female ends of a trailer connector that attaches to the back of a truck for the lights, brakes etc.? Somebody said to put brake fluid on them to clean the oxidation from the metal. Does that work? Any other suggestions?


  • #2
    Re: Cleaning trailer plug connectors?

    Personally, I use WD40 and fine grit emery cloth and that's only when they really need it.Spray the connector, slip the emery cloth over the end of a flat bladed screwdriver and rub it over the metal and you're done.I'd be concerned the brake fluid would break down the rubber or plastic body of the connector.

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    • #3
      Re: Cleaning trailer plug connectors?

      Prevention is better than cure.Cut the plug and socket off a spare harness and connect the now blank plug and socket to the truck and the trailer when they are not in use.Good luck.
      sigpic

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      • #4
        Re: Cleaning trailer plug connectors?

        WD-40 and a small round wire brush. Then dialetic grease on the pins.Walmart has plug covers to keep out the dirt & debri.

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        • #5
          Re: Cleaning trailer plug connectors?

          They're cheap. Dirt/grease is one thing that can be blown out with just about any solvent in a spray can, but in my opinion they're not worth trying to clean up if you indeed have some corrosion present. The last thing you want when towing in the dark is to have only 80% certainty that you have a good connection. I'd just buy a new matched set and replace both ends.

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          • #6
            Re: Cleaning trailer plug connectors?

            My connector on my truck was corroded real bad. I cut it off and replaced it with a new connector. I also moved it so that instead of being in the weather (under the truck bed) I moved it into the truck bed. I have a cover on the bed as well.End result - It's been several years and there is still no corrosion. - Brian

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            • #7
              Re: Cleaning trailer plug connectors?

              Electrical contact cleaner and protectant (Radio shack or The Source now) and an old toothbrush. If its really badly corroded don't waste the time trying to clean it. Buy a new end and replace it.

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              • #8
                Re: Cleaning trailer plug connectors?

                I've seen mechanics at our garage use a wire brush made for male and female ends. Our plugs at work are round so they won't work for my flat type. I have to believe someone makes a flat version of this but I can't seem to locate one.

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                • #9
                  Re: Cleaning trailer plug connectors?

                  I use a 50/50 solution of vinegar and water ( in a small spray bottle, in my toolkit) to keep everything clean.WD-40 to protect.

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                  • #10
                    Re: Cleaning trailer plug connectors?

                    Corrosion X after every use ... takes about 2.5 seconds.

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                    • #11
                      Re: Cleaning trailer plug connectors?

                      Thanks everyone for your replies . I will try some of your ideas for cleaning the contacts. The connections are not corroded, just dirty.

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                      • #12
                        Re: Cleaning trailer plug connectors?

                        The connections are not corroded, just dirty.Soap and water?

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                        • #13
                          Re: Cleaning trailer plug connectors?

                          put some grease or vasoline on the ends

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                          • #14
                            Re: Cleaning trailer plug connectors?

                            The best way to clean corrosion on electric wires is mix 2 tablespoons of baking soda into 8 ounces of water. Then either brush on or soak for 2 hours. Then clean and shine with steel wool or emery paper. For the female connector, use a round wire brush from a .22 rifle cleaning kit or a .18 air pistol cleaning kit.

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                            • #15
                              Re: Cleaning trailer plug connectors?

                              but youre taking off the protection thats already gone.so youre back to square one replace the connectors tractor supply has all that stuff.when i back my trailer into the water i unplug it from the truck.

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