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95 Deville 4.9 - Blower motor quit a month ago. It pulsated back and forth on any speed. Changed with a used one, then a new one same problem with all.
Changed the plug on the end that provides power to the blower. Still didn't work. Now I've changed the programmer and it still doesn't work. NO air from blower at all. Any suggestions?:confused:
 

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White Diamond '03 DHS (with DTS floor shift)
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I'd get yourself a FSM off Ebay. It has all the troubleshooting tests. Sounds like you changed just about everything. This is going to be a tough one. Maybe the used blower was no better than the original. That seems to be the only weak link.
 
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