I think the control and and the cycling and pressure switches are different and/or in different locations. Aerodonamic is probably the one most familiar with them or maybe Mike or RWDPLZ on PFF could answer the question. I've just always heard that they're a different animal.
It may be that you can pull enough off the 86SE up here. I know the front condenser is there, the box with the ac core and heater core and control is all there. If the 86 underbody lines aren't good, the underbody lines from Mike's 84 may be the same. I have several brackets for mounting the compressor on the 86 engine. I may have all of them.