I have a blue ox base plate and tow bar, and a U.S. gear braking system. Towed our HHR for years behind our former 41 foot DP. Transferred the system to the Gemini, but have only towed once with it. Have never had any issue with the blue ox equipment, none. The U.S. gear system, uses the cars own power brakes, has its own vacuum pump, but the umbilical is wired so the cars battery trickle charges while you are in motion. Ten years of towing, and not once did I find a dead or even weak battery in the toad.
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