True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester

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Overview Brand : ONLINE LED STORE Power Source : Corded Electric Style : Flat Color : Black Item dimensions L x W x H : 6.5 x 3.74 x 0.7 inches About this item STRAIGHTFORWARD TRAI LER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs. ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring. NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness. LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service. CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box. Show more