2003 Mazda b3000 heater fan control switch only runs on hig

2003 MAZDA B3000
48,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RICK BEAUMONT
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  • 1 POST
I would like to know how to repair the heater/AC fan control switch as it only runs on the high mode. Is this the motor or the switch?
Oct 21, 2008 at 11:45 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
Probably the blower motor resistor. Can be the switch, but usually it's the resistor. It's in the right rear of the engine compartment near the blower.
Oct 21, 2008 at 3:04 PM
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