bought a 94 grand am not much history on the car. After 3 months car dash lights went out. 2 days later car automatic locks stop working, could not open the doors manually. open the door by removing driver door panel and triggering the lock. Continuity test on instrment panel & door locks revealed no power Changed out both fuses still, no power. When car is in drive doors lock. When car placed in park Key off, doors will not unlock. Help!!!!