I have a 93 sevile SLS. Problem is the blower blow out of defaut mode (defrost only). There is no a/c. The climate control comes on when staring the car and then goes BLANK within like 3 second. I pulled the codes out and the only I get is (loss of A/C programming)... Did i mention its very hot here and it only blow heat from the engine compartment.... Somebody help me PLEASE, PLEASE.