Cadillac Escalade Esv Air Conditioner Not Working

Hello, I Have A Problem With The A/c. It Is Not Working Sometimes. Could You Please Write Wiring Diagram For All Items Connected To A/c...

Front And Rear A/c Is Blowing Warm. I Already Replaced The Compressor, Orifice Tube, Expansion Valve At The Rear, Dryer And Still Blowing...