Yes and know. It will fit and electrically it's the same.

The downside is the old part had tabs you solder wires on to. Thenew part
has those nice silver barel connectors, so you'll need to get a set of them,
solder them onto your wires then it will fit. Get both male and female connectors
when you get the switch and you'll have all the parts you need.

For reasons nobody can explain to me, the switches are electrically
incompatible. Here's what I had to do to get my 83 to work with new
switches:
            http://articles.mbz.org/interior/seats/seatsw/