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.
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
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