Boat Trailer Wiring Circuit Testers

8 Items
 
4-Pole Flat Lead Tester
    Three LEDs illuminate to tell you if the four pole flat trailer connector on your tow vehicle is wired properly and functioning correctly.
    List price: $7.99
    Your price:
    $6.43
    In stock
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    Seasense EZ Trouble Shooter 4-Way Circuit Tester
      Plug tester into vehicle's 4-way flat towing plug. Operate vehicles turn signals, lights and brakes. When power is present, that circuit's green …
      List price: $3.19
      Your price:
      $2.77
      (2)
      In stock
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      Seachoice Circuit Tester
        Features:Used to locate grounds, open circuits and shortsCan be used with 6 or 12 volt systems8" long wire with alligator clips.
        List price: $9.45
        Your price:
        $7.83
        In stock
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        Wesbar Circuit Testers
          Plug these testers into any car connector and you will have an instant test of running light circuits. Features LED display to show completed circuit …
          List price: $15.06
          Starting at:
          $13.71
          In stock
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          18IN TRAILER CONNECTOR WUNSIDE - Wesbar
            Conforms to all applicable SAE NMMA and TMA standards. Has 5' blue wire (auxiliary circuit) & a 4' white wire (ground).
            List price: $7.98
            Your price:
            $6.78
            In stock
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            7-Way Blade to 4 or 5 Flat with LED Circuit Tester - Cequent Trailer Products - Wesbar
              Easily adapt OEM 7-way blade connector to either 5-flat or a 4-flat connector, patent pending. Instantly checks electrical circuit for connectivity. …
              List price: $20.86
              Your price:
              $17.65
              In stock
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                Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way …
                List price: $5.79
                Your price:
                $4.36
                In stock
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                  For all 4 pole flat boat trailer plugs. Tests tail, stop/turn and ground connection.
                  List price: $12.19
                  Your price:
                  $9.68
                  In stock
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                  8 Items
                   
                  Wesbar
                   
                  Anderson Marine
                   
                  Seachoice
                   
                  Seasense
                  Sierra
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                  EZ Trouble Shooter 4-Way Circuit Tester - Sea …
                  Only $2.77
                  Save:$0.42 (13% Off)
                  EZ Trouble Shooter 4-Way Circuit Tester - Sea …
                   
                  4 Pole Flat Lead Tester - Sierra
                  Only $6.43
                  Save:$1.56 (19% Off)
                  4 Pole Flat Lead Tester - Sierra
                   
                  7-Way Blade to 4 or 5 Flat with LED Circuit T …
                  Only $17.65
                  Save:$3.21 (15% Off)
                  7-Way Blade to 4 or 5 Flat with LED Circuit T …
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