Quote:
Originally Posted by Hart_Rod
Here's how my system is setup:
My setup:
3 wire truck pressure transducer connected to plug from Speartech harness
12volt a/c signal from the VintageAir to Speartech harness green a/c request wire
Two wire (green and black) plug to factory 2005 compressor from Speartech harness
NO binary switch (in dryer not wired)
Blue/Green PCM OS 12587811 & system 12591524
Compressor type - ANALOG
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Definitely sounds like the PCM is controlling it, in that case. That's really the best way to do it, as you'll have WOT compressor cut off, high pressure cut off, etc.