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Old 06-30-2000, 08:32 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The relay would have to be wired according the the particular vehicle. Basically you would need the power that is to be switched (probably term 30), power that is ignition switched (probably some term 15), the compressor on signal (varies whether a ground or hot by different models) and finally the terminal going to the compressor. A diode protected relay should be used to avoid spiking the pushbutton controller.
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