Having problems with your 1999 Chevrolet Silverado 1500 ?
Blower fan only works on 4 and 5 settings last year it worked on 3 4 5 could it be the recitor on the fan if so loaction
Sounds like the motor might be going bad it takes more current to move the motor the resistore should be on the right side toward the fire wall on the black plastic housing.
Repair Help & Product Troubleshooting for 1999 Chevrolet Silverado 1500
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