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The low speed and second speed blowers doesn't work for the blower motor?
Wiki User
∙ 14y ago
the reason blower does not work on all speeds, is the fan blower motor resistor. The resistor is a 4-5 step series circuit, 1 resistor is added for each reduction in speed. If one burns out then so will all speeds below it. The "high" circuit usually has a separate fuse and bypasses the resistor altogether.
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoKeep in mind if the new resistor burns out in a short time, next time replace the blower motor also. A failing blower motor can be the cause of burning out the resistor.
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