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Thread: Binary A/C switch fan activation
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02-29-2024 #1
Binary A/C switch fan activation
Ok guys need some advice here. So I have a c6 Z06 fan setup with the factory pwm controller that is going to be controlled by my Holley Dominator ECU and I start thinking about my A/C pressure switch / binary switch that will be wired into my Vintage Air system wiring. So, where I believe I'm going to run into issues is generally you would run a trinary switch to turn on the cooling fan when the A/C is engaged thus overriding the temp sensor on a non-PWM setup. I don't know of a way to go about wiring the binary switch into the system that is controlled by PWM.
Example... let's say I crank the car but it's not up to temp or below the pre-determined fan on temp setting, now I turn on the A/C without the fan running and my ac pressures rise due to the lack air going across the condenser and builds pressure to the point the binary switch shuts off the ac compressor, I need to figure out how to wire this binary switch into a PWM system to engage the fan when I turn the A/C on.
Hoping some of you guys using PWM fan setups can help me get that "light bulb moment" and figure this out.
Thanks
BB
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03-01-2024 #2