To determine the amount of rise or drop in a ball mount that you will need to tow a trailer level there are a couple of measurements needed. First make sure the trailer is on level ground. Use the jack to make the trailer level then measure from the ground to the bottom of the coupler.
Then on the vehicle measure from the ground to the top of the receiver opening on the trailer hitch. If the vehicle is higher then the difference is the amount of drop you will need. If the trailer is higher... view full answer...