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1999 Oldsmobile Alero Problems with Blower Motor

Tiny
BIGSTAFF00
  • MEMBER
  • 1999 OLDSMOBILE ALERO
Heater problem
1999 Oldsmobile Alero 4 cyl Two Wheel Drive Automatic

I replaced the blower motor, resistor, fuses and relay for the heater in this car. After all this, it will only run on high speed and not on the other 5 lower settings. What else could be wrong?
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Saturday, December 12th, 2009 AT 4:41 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the blower control switch, also double check the resistor
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Saturday, December 12th, 2009 AT 4:50 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I want you to check for power at the resistor dark blue wire -turn the heater on and get back with me.
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Saturday, December 12th, 2009 AT 5:18 PM

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