This one has a 5-pin connector and a seperate 2 pin connector (the two pin connector is covered with a removeable plastic piece, so it may not be used for anything). --- Christopher Hoffman <imperial67@xxxxxxxxxxxxx> wrote: > Jim, > > Chances are it's very similar to what was used in my > former '93 Jeep Grand > Wagoneer (which was basically a Grand Cherokee with > every option plus > woodgrain... not the model that began in 1963 under > Kaiser Corp and ended in > 1991 two owners later as a Chrysler-owned product). > > Anyway, as to your Imperial... If the mirror has a > 3-pin connector on the > back, the pins are connected as follows, with #1 > being closest to the > driver's side of the car: > > Pin 1: 12V with ignition on. > Pin 2: Ground > Pin 3: 12V with gearshift in reverse (actually > connects to backup lamp > circuit) > > Pin 3 is there so that the auto-dimming function > cancels when you are > backing up, to allow full rearward vision. > > If the car did not originally have the harness, > you'll have to fabricate a > connector (mine had been cut off when I purchased > the car used and I was > able to find something close enough at Radio Shack) > and a wiring harness. I > used small-gauge 3-element ribbon cable since the > current loads are rather > low. > > The rest is internal to the mirror... it's just a > matter of hooking it up. > > Hope this helps, > Chris in LA > 67 Crown > 78 NYB Salon > > Jim Gathmann (jim_gathmann@xxxxxxxxx) wrote: > > > Anyone know how the wiring is on the auto dim > mirror > > on AC/AY's? > > > > I picked one up, but it doesn't have the wiring > > harness and I have no idea how to wire up the > mirror > > to my car's electronics so it works. > > > > My 1990 FSM doesn't mention it. > > > > Anyone know?!? > > >