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Cleaning trailer connections

Discussion in 'Trucks and Trailers' started by CTmower, Apr 6, 2010.

  1. CTmower

    CTmower LawnSite Senior Member
    from CT
    Messages: 324

    The lights on my trailer have been working sub par to say the least. Sometimes they work sometimes they dont. Ive cleaned the harness where the trailer plugs into the truck with warm water and baking soda but im just wondering if theres a better way for me to clean it to ensure a better connection between the two.
  2. poncho62

    poncho62 LawnSite Member
    Messages: 222

    You can buy contact cleaner to spray in there....and take a small screw driver to scrape them out a bit. A slight squeeze with a pair of pliers will tighten them up a bit too.
  3. 360ci

    360ci LawnSite Senior Member
    Messages: 998

    Don't forget to put some grease on the connections. I'm sure the last can I bought was lithium based spray on. Never had any problems.
  4. Hawg City Lawns

    Hawg City Lawns LawnSite Bronze Member
    Messages: 1,070

    make sure your ground wire is tight
  5. mike lane lawn care

    mike lane lawn care LawnSite Bronze Member
    Messages: 1,707

    On my truck I just replaced the wire hookup. It twists off and unplugs from the trucks wiring, and it was a $15 part from the dealer. twist it in and good as new.
  6. Shoreline

    Shoreline LawnSite Member
    Messages: 55

    Sounds like a ground problem more than anything. Make sure nothing is loose. Never hurts to replace the ground wire from time to time.
  7. unkownfl

    unkownfl LawnSite Gold Member
    Messages: 3,837

    Connection could be clean but loose. Like suggested earlier tighten the connection by squeeze the female sockets in the plugs to make sure they're tight.
  8. greenbaylawns

    greenbaylawns LawnSite Senior Member
    Messages: 563

    I spray my connections(truck and trailer) with a wd 40 of some sort about every two days.
  9. american dream

    american dream LawnSite Senior Member
    Messages: 317

    I found if you drive a couple washers in to the gap of the trailer hitch where the male slides into the female to take out the slop no more ground probs.
  10. LR3

    LR3 LawnSite Senior Member
    Messages: 722

    Use some Dielectric grease on both male and female connectors as well.

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