I am not meant to have A/C...

[SunlitComet]

if you can not get the poewer at that fuse to power the compressor there is no point on doing anything else. Try making a new power feed. And leave the pressure switch alone for now.

 

[elsporko321]

So on my way to work, the random compressor cycling started back. Is the car running (warming up, etc.) involved in the PCM in any way, which I remember you said could end up being the culprit in this whole deal? It seems to cycle when i've been driving, and then come to a stop/idle (stop lights, drive-thru windows, etc.).

 

[SunlitComet]

engine temp or speed should have no effect but are you sure you got enough refrigerant in there.