Today in our 2005 Grand Marquis, well be installing the Hidden Hitch Trailer Hitch Receiver in a Class 2 with an inch and a quarter opening on the receiver Part Number 90139.Heres what the hitch looks like installed on our vehicle. Now well go ahead and give you a couple measurements in helping you choose some accessories for your hitch, such as a ball mount, a bicycle rack, or a cargo carrier.… see more >