Took hoses loose on pump can blow through it real easy. Don't think its locked up. Still wondering if I can bench test it with 12 volts. Can't find any information on this pump. Does it heat up and blow warm air or does it just heat up and let warm air draw through it, or am I just wrong all the way round. Called dealership and was told it was not under warranty that it was only covered for 3 years 36,000 miles. Has 2 wires to it red and orange which one is possitive red one?? Its a pain to try to take out want to check on vehicle if at all possible.