TrailBlazer 2002-2009
2023- The TrailBlazer, originally introduced as an upscale Blazer, was produced from 2002 to 2008 with a powerful I6 engine and with a monster V8 offered in the Trailblazer SS
Platform: GMT 305, 360, & 370.

FAN WENT OUT, 2002 Trailblazer

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Old Aug 26, 2006 | 6:35 PM
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Default FAN WENT OUT, 2002 Trailblazer

HELP ! My AC fan switch quit working suddenly on everything but max. Anyone know where the module is located that controls this? Anyone know where I can find a wiring diagram??

thanks, Don
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Old Aug 26, 2006 | 6:37 PM
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Default RE: FAN WENT OUT, 2002 Trailblazer

It still works on highest setting.
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Old Aug 26, 2006 | 10:53 PM
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Default RE: FAN WENT OUT, 2002 Trailblazer

It is probably the switch itself. If you take it out of the dash you should see the circut board that controls it and it is probably that.
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Old Jan 20, 2007 | 4:15 AM
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Default RE: FAN WENT OUT, 2002 Trailblazer

Blower motor resistor located under glove box. Common problem on early TB models.
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