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2007 chevy trailblazer_ss_1ss
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4 Posts
Discussion Starter #1
I have a problem with my a/c my fan stops working on speed 4 I went ahead replace the fan resister it started working great lasted about a week and stop working again anyone else has had this problem.
 

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2004 gmc envoy_slt
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2,270 Posts
Do you have the digital panel or the one with sliders? Since you had a problem with speed 4 I would assume you have the slider unit. When you replaced the resistor module, did you look at the mating connector. Sometimes these overheat and distort or the contacts go bad. If the connector and wiring is OK, maybe you have a speed selector switch that is going bad.
 
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