Having problems with your 1999 GMC Suburban ?
My 99 suburban front Ac fan does not work, if I drive over 40 mph there seems to be cool air being pushed thru if you put your hand infront of the vent.Back AC works good. heat works almost the same way. can I fix this
It's either your fuse, blower motor or the switch. More than likely the blower motor. You'll have to take it out and get a new one. Use a test light to see if there is power at the motor when the key is on and the fan switch is on. If power is present, then your motor is gone.
Repair Help & Product Troubleshooting for 1999 GMC Suburban
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