My back-up switch failed, it is on the left side of the trans, (NV4500), easy fix... . then I stuck 55w halogen driving lights on the back for lighting things up when hooking or un-hooking the TT. I did not wire them to the back-up lights, a separate switch in the glove box worked for me.
Mike
p. s. lotta good that does ya... I see you have an auto