Cadillac Repair: blower motor, blower motor, electrical wiring

Question
the blower motor stopped working so I replace the blower motor, I put a new relay in and the ac is working but the blower motor is not blowing ,did i miss something or do i need to reset something. 1990 Cadillac Devilled 4.5

Answer
Replace the POWER MODULE which is located just above the blower motor towards the passengers fender. It is secured in the plastic housing by 3 screws and has 2 electrical wiring harnesses attached to it and has a large aluminum finned heat sink attached to the bottom of it.