I did this with a Gentex 313 (Compass and Temp). They're availabe in a bunch of OE applications, mine came from a 2007 Nissan Armada.
1) Green/Red Stripe is 12v switched power.
2) Yellow/Red Stripe, constant +12V power for HomeLink
3) Black solid is ground
4) Red/Blue Stripe is for dimming...
@Craig 85 Is your Evaporator fitting (to the suction-side of the compressor) a #12 to #10 reduction fitting? I'm going to use a similar Accumulator with fittings at the top (not the J-tube variety) and I'm thinking a 135° reduction fitting there would help me run that hose to the rear as you...