I am about to attempt this with a 1993 Jeep Cherokee, as a donor vehicle, on my 1988 Jeep Comanche 4.0 non factory ac truck. I'm sure if all else fails I'll be able to get the AC to work with an aftermarket switch and relay set up for the compressor and fan. I'm wondering if there's other components in the wiring that communicate with the Renix computer to idle up and down with the compressor cycle?