replaced ac blower under hood, but motor wom't run.Has 12 volts with switch off on 1995 Cadillac Seville

With wsitch off it shows 12 volts from fuse to end of connector. It runs backward if connector is turned over.

Asked by for the 1995 Cadillac Seville
1 answer
Any papers come with replacement blower?? If so did you read them??