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Blower motor ??'s

13262 Views 8 Replies 7 Participants Last post by  lancer
I have an '03 Silverado K3500. This past summer, the blower motor quit working on (5) high. The other 4 speeds all work fine, just the high speed is inop. It wasn't an issue in the summer, but now it is cold and I need a little more heat in the cab.

Is the resistor the most likely cause of this or am I in need of a new switch?

If it is the resistor, where is it and is it a pain to get to?

Is GM only the best option or is the aftermarket a viable parts solution?

Any and all help will be appreciated. My frozen feet thank you!!
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Greg, Thanks a lot. 03 Suburban, fan quit on dash control all speeds. Took your post, went to Chevy, paid $65 and installed new part backwards and I am a hero at my house. Outsite temps are over 100 for weeks. Thanks for the great details.
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