Question about 2002 Chevrolet TrailBlazer
Setting 1,2 and 3 are not working when I turn on my a/c or heat. The air flow top vent are also not working. Only setting 4 and five work and only the feet vents and the defogger are working. Is the blower the issue of the relay or other. please advise .. THX
Your blower resistor bad or the blower motor control switch is bad. no air flow from top vent make sure vent open.because you can manual adjust them not to blow air on you.if all is good.you have leaking vacuum hose or vacuum actuator.or air door stuck.the AC and HEATER control switch.is bad.its not allowing vacuum to open air door.
Posted on Jun 22, 2009
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Posted on Jan 02, 2017
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