1998 Chevy Blazer blower not working on high

1998 CHEVROLET BLAZER
88,000 MILES • 6 CYL • 2WD • AUTOMATIC
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REBELRIDER1988
  • MEMBER
  • 1 POST
replaced the resistor, blower relay and took the fan control switch apart cleaned and reinstalled it. it works on 1,2,3 but not 4.
had worked b4 but intermitantly shake the wiring and it worked but now nothing.
has power to relay on orange (terminal 86) when on 4 but blower not blowing at all
Jun 15, 2008 at 8:53 PM
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BMRFIXIT
  • ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
check the wiring and terminals
try new relay
Jun 16, 2008 at 6:32 AM
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