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Re: Trinary Switch Integration with Dual Fans
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Otjer option you simply install the factory high side pressure sensor and wire the 3 wires to ecu and no need for resistors or anything... then operates like factory
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VA has you use a binary switch and not a trinary if you use this setup. This is what I am doing on mine so the PCM controls the idle speed when the compressor kicks in. Seemed much more simple for me to do it this way, but I think it is whatever works best for you. I have a lot of wiring to go, so we will see how it all works. MD and Beaterku are my go to wiring guys 
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021.
"I can't complain, but sometimes I still do. Life's been good to me so far."
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