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View Full Version : Two speed blowers

comitsideways
Aug 5, 2009, 05:17 PM
What is the most likely reason for a trane two speed blower only running in low speed
wmproop
Aug 5, 2009, 08:13 PM
Fan control,, thermostat,, loose wire,,
siberianair
Aug 6, 2009, 05:20 AM
The high side wiring is fried!! There could be several reasons.