Roadmaster 790 Hy-Power DiodeSingle Questions & Answers

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The Roadmaster 790 Hy-Power Diode permits electrical current to flow in only one direction, from your motorhome to the car, preventing electrical feedback and the damage it can cause to the towed car's electrical components.

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Roadmaster 790 Hy-Power Diode - Single

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Roadmaster 790 Hy-Power Diode - Single Q&A

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