Apologies. I'm not sure how to put info in the signature line. I see a lot of you have. Mine is an '02 S but not CAN. I'm also very interested in finding a way to feed the tach and hopefully that will let the ECM know something is happening under the bonnet. I'm running the FiTech complete system which has a tach output. I know about the tach adapt but not sure where to tie into the wiring to wake up the tach. Luckily the car "ran" when I got it so the tach is known good.
Quote:
Originally Posted by Stl-986
The AC just gets a signal (voltage) to turn on or off, there is no feedback to anything. There is just 1 wire that goes to the AC.
Of course the above is for a car that isn't CAN based. Dont think even a car with CAN will know if it's on or off, but I'm not 100%.
also helps to know the year, put it in your signature.
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