How to Hook up a Tail Light Isolating Diode System for towing

This video shows you how to hook up a Tail Light Isolating Diode System for a vehicle to vehicle towing kit. What this basically does is, say you have an RV or motor home or pickup truck and you're going to towing another vehicle on all four wheels you're going to need this wiring harness to make the lights on the towed vehicle work with the towing vehicle.

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