2003 CHEVY SILVERADO HEATER FAN ONLY WORKS ON HIGH #5 SETTI

  • Tiny
  • fug
  • 2003 Chevrolet Silverado

Heater problem
2003 Chevy Silverado V8 Four Wheel Drive Automatic 101000 miles

The heater fan only works in the high position. I have heat, but when I dial the setting knob to 1, 2, 3 or 4 their is no heat blowing through the vents. Where should I start to fix this issue?

Wednesday, December 3rd, 2008 AT 12:39 AM

3 Answers

  • Tiny
  • rasmataz
  • Member

Locate the blower motor resistor-it controls the blower motor speed thru resistances. The lower the no. The slower the blower will blow-

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Wednesday, December 3rd, 2008 AT 12:42 AM
  • Tiny
  • fug
  • Member

What do I do when I find the resistor?

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Wednesday, December 3rd, 2008 AT 12:55 AM
  • Tiny
  • rasmataz
  • Member

Replace it


http://www.2carpros.com/forum/automotive_pictures/12900_blower_resistor_11.jpg

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Wednesday, December 3rd, 2008 AT 1:22 AM

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