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What could cause the heater blower motor not to work on a 2002 Trailblazer?
Wiki User
∙ 14y ago
If it works but not on all speeds or is almost making the car stall at idle if you turn the a/c on at a light Than its probably the fan motor resistor pack its $25-$30 at autozone and real easy and fast to replace.
Wiki User
∙ 14y ago
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