Replacing most of a/c system, all lines, drier and compressor(Acdelco Gold 25-22124A). Any way can I just use original A/C Clutch Switch and Refrigerent Pressure Switch? I have no reason to believe either is faulty and look to be in great shape, truck only has 50k. Also, any feedback on the compressor I chose. Should I have bit the bullet for Sanden 4440?
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