I think that "might have" changed for the '88-89 M's. When the assembly line was sent to WI, a lot of changes changed like the fixed door glass on Fifth Ave's. All Fifth Ave's made before '88 model year came with rear fixed door glasses installed.
Chrysler does like to change things like plug-in connectors every so often.Oddly enough they also changed the power motor plugs.
Yea, Facebook marketplace, semi interestingly, doesn’t have options to list a number of car models. You’d think for a website that’s compiled as much data as, they have over the years would, have cars down on a list to a, T; must not be of any importance to anyone working there.Scratching chin, a '88 Monaco . . . hum.