Ram Heavy Duty Forum
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Recent content by tj53152
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Trailer towing issue
I had a similar issue on my 2020 Ram 5500. When I checked the voltage on the brake control wire at the hitch - max was 7.49V. A friend has the same truck by 2018 and his would measure 9 volts with max brake pressure and 10.5V when manual override was squeezed. I finally got behind the dash and...