Question about 2001 Chevrolet Silverado

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Blower switch for a. c. @ heater will not work

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Besides the the power source, there are 3 components to check. The switch itself, resistor pack usually in heater/AC box or the motor . Unplug motor wires and check for Batt. voltage with switch on. No voltage is either the resistor pack,switch, or wiring, Voltage preset, measure motor terminals for resistance or open..

Posted on Oct 07, 2009

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