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Boat Trailer Wiring Circuit Testers

8 Items
 
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4-Pole Flat Lead Tester
    While using your tow vehicle it is highly important to know that the connector used is functioning properly. Improper wiring of the connector can …
    List price: $8.29
    Only $5.24
    In stock
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    Wesbar Circuit Testers
      The Wesbar Circuit Testers are a must-have tool in your trailer for checking the continuity of electrical circuits. These are 4-way, 5-way and 7-way …
      List price: $14.49
      Starting at:
      $8.84
      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: $4.79
        Your price:
        $3.22
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        Seachoice Circuit Tester
          Features: Used to locate grounds, open circuits and shorts Can be used with 6 or 12 volt systems 8" long wire with alligator clips.
          List price: $9.45
          Your price:
          $6.22
          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: $20.85
              Your price:
              $15.99
              In stock
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              4 Way Flat Tester (Anderson Marine)
                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:
                $3.27
                In stock
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                Trailer Connection Tester (Wesbar)
                  For all 4 pole flat boat trailer plugs. Tests tail, stop/turn and ground connection.
                  List price: $12.19
                  Your price:
                  $9.94
                  In stock
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                  8 Items
                   
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