While a custom fit hitch for your 1996 Cadillac Fleetwood Hearse is not an option, the Multi-Fit Trailer Hitch # 5350 may work for you.
The hitch is adjustable to fit vehicle frames from 24 to 46 inches wide, has a capacity of 5,000 lbs and features the 2 inch receiver you wanted. It requires no welding and all hardware to install it is included.
Since your frame is recessed a good 16 inches behind the vehicle's fascia, your best option is to go with an extra long ball mount like # EA40... view full answer...