my son last monday got the curt rear trailer hitch installed, came with wrong bolts, they are 7/16x14
took maybe 4 minutes with torquing if that
waiting for the plug & play rear wiring to come from e-trailer ~ https://www.etrailer.com/p-C55382.html?hhyear=2006&hhmake=Jeep&hhmodel=Liberty
if...