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7-Way Trailer Plug Tester
Test your 7-way trailer plug with this tester from the seat of your cab. Activate each switch and the corresponding LED light on the tool will illuminate. Faulty wiring or shorts will be indicated if LEDs are dimmer than usual, fail to light, or if more than one LED lights at the same time.
Part #: 37A18004
$95.42
Package Quantity: 1
Package Quantity: 1
Stock Status: In Stock Available to Ship Tomorrow
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