blower motor works on all speeds except high

1986 CHEVROLET CAPRICE
12,000 MILES
Avatar
DREWS 3
  • MEMBER
  • 2 POSTS
i replaced the motor ,resistor and swich
Dec 28, 2011 at 8:16 PM
Advertisement
Avatar
RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Check and test the blower motor relay
Image (Click to enlarge)
Attached Media
Dec 28, 2011 at 8:28 PM
Avatar
DREWS 3
  • MEMBER
  • 2 POSTS
thank you,very much for your response,i will try that,i appreciate your response rasamataz,i have been unemployed for 2 years.
Dec 28, 2011 at 9:30 PM
Avatar
RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
On high selector position it bypassed the resistor-it applies full power to the blower motor when the coil side is grounded
Dec 28, 2011 at 11:05 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.