Posted: Fri Apr 16, 2010 6:35 pm Post subject: Need some help with HVAC control problems
Was hoping to get a little advice on an HVAC issue I have been having- My 2001 Impala (3.4) is acting up, and I am at a loss. Some time ago, I fried the resistor for the blower motor, so a couple months ago, I replaced it.
Now, the fan will not work at all! I wired in an on/off switch for the winter, just so I could have heat and a blower motor that worked, but that is obviously not the same as fixing the problem.
I also replaced the controller unit with another used one, and it made no difference.
As it stands right now, with the blower motor plugged in to its original connector, the fan does not work. The different functions do work, (ie, vent, defrost, floor) and the temperature selector works. When I push the AC button, sometimes it comes on, sometimes not.
I know it sonds like a mess, but if anybody has any experience with this kind of problem, I would love to get pointed in the right direction towards fixing it.
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