OK, give me a break here because I just woke up and I'm trying to think this through. If I have a brake controller inside my RV, why do I need an auxiliary breaking unit inside my tow vehicle? I've been towing trailers for years but never a vehicle and I'm about to do that. I understand the baseplate and the towbar but I'm thinking the brake controller should apply the brakes to the vehicle as it does to a trailer and it should also activate brake lights. What am I missing here? Go easy on me.
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