1990 Chevrolet S-10 AC/heater blower

Tiny
BALLPARKMARK
  • MEMBER
  • 1990 CHEVROLET S-10
  • 130,000 MILES
The ac blower stopped working so I replaced the blower motor. It worked fine for a few days and quit again. Should I assume the motor went bad again or is there something else I should check?
Do you
have the same problem?
Yes
No
Monday, October 14th, 2013 AT 11:49 AM

5 Replies

Tiny
HMAC300
  • EXPERT
First check to see if it is getting power when the switch is turned on then check the relay underhood then check for a blown fuse. It may be the switch is bad.
Was this
answer
helpful?
Yes
No
Monday, October 14th, 2013 AT 11:56 AM
Tiny
BALLPARKMARK
  • MEMBER
It does have power when the switch is on and the 25 amp fuse is not blown.
Was this
answer
helpful?
Yes
No
Monday, October 14th, 2013 AT 12:26 PM
Tiny
HMAC300
  • EXPERT
If the fuse is blown is why the blower won't work, yo probably have ahorted wire someplace or the motor is bad if it'snot new that is why.
Was this
answer
helpful?
Yes
No
Monday, October 14th, 2013 AT 12:42 PM
Tiny
BALLPARKMARK
  • MEMBER
The ac blower stopped working so I replaced the blower motor. It worked fine for a few days and quit again. Should I assume the motor went bad again or is there something else I should check? The fuse is NOT blown
Was this
answer
helpful?
Yes
No
Monday, October 14th, 2013 AT 1:21 PM
Tiny
HMAC300
  • EXPERT
If it is getting power then the motor is bad was it replaced with new or off another vehicle. Or something isn't right like a bad ground wire from the blower to ground it is usually a black wire. If the ground is good and motor gets power it should work Or is it working and not going through the vents? That can be happening as well. You have vacuum actuators that open different doors so check by the defrost as that normally works if it's a problem like that you have to see if it has a a vacuum leak or a bad actuator. If the fuse is not blown it's highly unlikely that the blower is bad more like it's not getting power due to a bad relay /or resistor or switch etc.
Was this
answer
helpful?
Yes
No
Monday, October 14th, 2013 AT 1:29 PM

Please login or register to post a reply.

Recommended Guides