It appears that you are asking about the coupler's height of your TT. So, this is the procedure I use: I suggest that you find a parking lot, such as a store that is closed on Sunday, take the TT to that site, unhook from the TV, level the TT using a level on the TT floor and take the coupler height from that. I have found that not all TT will show the same level as taken from the floor vs. the tongue that is why I use the floor to level the TT. Once you have the coupler height with the TT floor level you can measure your TV and see if the TV ball height is about 1 1/2" higher than the TT coupler height. One measurement I like to use is to place a piece of blue masking tape at a spot over the front fender well and the rear fender well. Make a horizontal mark on each. Measure from a flat surface up to each of these marks without the TT hooked up and write it down. Then hook up the TT, raise the tongue jack until it clears the level surface and take the same measurements again and write those down. Compare the height of the marks. I like to use the rule that you want the front mark 1 1/2" higher with the TT hooked up. IF you have significant difference between the front/front and rear/rear marks then you can fine tune the WDH until you get the measurements you want. Others may have different ways of determining the heights that allow them to tow safely. Good luck, , ,
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2015 FR Freedom Express 310BHDS pushing a 2014 GMC Sierra CC
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