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Old 06-10-2010, 08:19 AM   #9
ShutterBC
Scooby Newbie
 
Member#: 70361
Join Date: Sep 2004
Chapter/Region: NESIC
Location: Lexington, MA
Vehicle:
2005 LGT ltd wag 5MT
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Does the voltage test not work for the power transistor, and if not is there a better test? The service manual has a procedure for testing the blower resistor (described wonderfully by kcarpent). However, this procedure is not listed at all for the power transistor.

I think this is the only thread on NASIOC mentioning the HVAC power transistor for auto climate control systems. Add me to the list for funky blower behavior.
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