Re: Cycling a/c or not?
The Old Air tech support guy told me I don't need a Trinary switch. I am running the clutch fan on my LS motor in the original truck shroud. The clutch cycling switch that is built into the POA update valve is all I need as long as high and low side pressures are correct. 150-250psi on the high side or 2.5 times ambient temperature, and 35-45 psi on the low side.
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