You should NOT have any power to your a/c components when the car is off with the key removed from the vehicle.
You have an electrical issue that is too complicated to troubleshoot over the internet. Find a respectable shop in the shop directory & take the vehicle in for repair.
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Authorized Dealer & Tuner for: Hondata, eCtune, Neptune, AEM, Crome, Precision Turbo, Omni Power, Walbro, Innovate & more. Dyno Tuning Services, Ecu Chipping, Chipped Ecus, Conversion Harnesses, Widebands, Fuel Injectors, Fuel Pumps, Map Sensors & more.
For more information visit http://www.Phearable.net or call 1-888-236-9831