to measure for the correct rise or drop needed to tow a trailer level the hitch will have to first be installed. When it is make sure your 2006 Saturn Relay and trailer are on level ground. On the vehicle, measure from the ground up to the top of the receiver opening. On the trailer, make sure that it is level and measure from the ground up to the bottom of the coupler.
If the vehicle is higher the difference between the 2 measurements is the amount of drop you will need. If the trailer... view full answer...