Anyone ever use one of these? It is suppose to measures tongue weight, pin weight, payload, and gross combined weight in real-time with an OBD-II connector. I am curious on how accurate it is for a ...
The calibration process is only required if your vehicle isn't in the HaulGauge database yet.
The setup for our 2016 F150 was under a minute. It asked me to put the vehicle on level ground, and hit a button so it could learn level. That was all.