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Hey guys-I have 2 issues with my 2003 Silverado: (1) I lost all settings but #5 on my blower motor-you guys think it is more than likely the switch? How tough is that to get to? The other question-my speedometer seems to be "notchy" does that sound like the stepper motor? Thanks in advance for all your help.

Greg
 

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The blower fan issue sounds like the resistor is bad, no idea on the speedo.
 
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