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2003 GMC Envoy and the Blower Selector switch only works on high?
Wiki User
∙ 13y ago
It is the blower resistor. It happened to mine and from what I can tell it is a common problem. Here is a site that helped me it also shows you how to replace it. You can find the part at AM Auto parts. http://www.sparkys-answers.com/2009/01/2002-gmc-envoy-no-low-blower-speeds.html
Wiki User
∙ 13y ago
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