Seller notes

1. Functional Design - Confirms proper vehicle and trailer electrical function. Allows you quickly identify and fix problems with trailer socket circuits, no need to go to an expensive repair shop to have you trailer socket checked 2. Multipurpose Use - This 7 way trailer wiring tester tests for tail lights, brake lights, reverse lights, turn signals, brakes and auxiliary power. Small size fits easily in glove compartment, pocket or tool box etc 3. Quick Identification - Features 6 bright LED in...

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