Light Testers

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IIT

Truck Trailer Plug Test both 7 Round Blade & 4 Pin Circuit Fuse Light Tester (16687)

7-Blade & 4-Pin Trailer Plug Tester – LED Tow Vehicle Wiring Tester This tester checks both 7-way RV blade connectors and 4-flat trailer plugs to confirm that power is reaching the trailer connector on your tow vehicle. It quickly verifies that the...

TYPE Electrical SKU 16687

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Unbranded

7 WAY RV BLADE TESTER (58271W)

7 WAY RV BLADE TESTERPart Number - 58271WHaving electrical issues with your trailer's electrical parts? This tester plugs directly into the male plug of you towing vehicle and allows you to test the wiring from your vehicle to the plug so you...

TYPE Towing Component SKU 58271W

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