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Hey everybody, how's it goin' Today, we're going to be going over and showing you how to install the Roadmaster Diode Wiring Harness, here on our 2019 Buick Envision. So, simply put, our diode wiring harness here is it gonna transmit the signals from the motor home to our towed vehicle when we're flat towing. Now, this is gonna be important because not only legal requirements, but we also need to… see more >
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