Trailer Plug Testers

Trailer Plug Testers

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    Anderson Marine

    Anderson Marine 4 Way Flat Tester V5411

    $5.99
    Anderson Marine 4 Way Flat Tester V5411Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way functions for tail light, stop/turn lights, and ground.
    $5.99
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