07 freightliner wiring

Discussion in 'CB Shop' started by truckerware, Mar 19, 2017.

  1. truckerware

    truckerware New Member

    Wires on cb from truck are same color. Need to know which one is positive and which is negative.
     
  2. GAnthony

    GAnthony Well-Known Member

    easiest way since they are the same color, you will need a test light. ground one end, the other touch one of the wires, then turn on the key. it it lights up, it is the positive.

    try same procedure on the other wire, if it does not light up, it is the negative.

    sometimes, there will be marking on the wires, maybe faded out a bit, look further up the wire if you cannot see any markings at the end.
     
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  3. mndriver

    mndriver curmudgeon extraordinare Staff Member Supporter

    from my century

    overhead.jpg
     
    • Like Like x 1
  4. Injun

    Injun Rabid Squaw Staff Member Supporter

    Test light, like Glenn said. It's the sure way to tell.
     
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  5. truckerware

    truckerware New Member

    Thanks for the diagram. I would use a test light. But mine is at home.
     
  6. Injun

    Injun Rabid Squaw Staff Member Supporter

    $4 at the truck stop.
     
    • Like Like x 1
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