hey guys i posted a thread befor ebut no luck finding help i have a 1992 fd3s rhd ...it had a power fc from my usdm rx7 but apexi said its the same thing the problem i seem to be having is when my power fc is plugged on my ac compressor never comes on but with my stock ecu it works perfectly can someone plz help me figure out this problem ?

 

I'm not a search **** or anything but this is a very common problem that has been covered extensively. So please do some thorough searching.