Quote:
Originally Posted by ls1nova71
This will work for the fans and will control the A/C compressor, will cut it off at full throttle too, but it doesn't appear there is any A/C control over the fans in this schematic. As long as the engine is up to temperature and the fans are already on it will work alright, but until then you will have no fans pulling air across the condenser. Also, you will almost never have the high speed fans on, which will make the A/C temperature in the cab warmer than you will probably like when you're not moving above 40mph or so. Just something to think about. I would put a trinary switch in it to control the fans whenever the A/C needs them.
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From what the guy who unlocked my PCM tells me, it can be adjusted to command the fan(s) on automatically with the AC - although mine is not currently doing so. I do have dual fans, and when warmed up they're pretty much both running all the time as it is.