Hard to say at the moment. Check fuses and check that power gets to the blower motor at all. It may be the motor itself has failed and if it still gets 12v to it try to tap on it but in this case I don't think that trick will work. If you find a blown fuse I bet it will just last a short while if at all. Likely blame is on the motor itself IMO,
T
Tom Greenleaf - MetroWest Boston - USA
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http://www.autoacsystems.com/tomgreenleaf/