Blower fan does not work on any number you turn the knob to.
What would cause the ac/heater blower fan to stop working? on 2000 Chevrolet S10
Very common for a blower motor to wear out and start drawing too much current and damage the blower motor resistor or module. Some of the things that can cause blower motor not to work include: Blower motor, blower motor wiring, connectors, relay, fuse, switch/control panel, blower motor resistor, blower motor module and Ignition switch. A fuse is a protective device so if it is blown replacing fuse is not normally the fix,correcting the cause of fuse blowing then replacing the fuse would be the correct fix. Often resistors, fuses, wiring connectors, relays switches and modules fail from over load which can be cause by a bad motor or shorted wiring. If you still need help with the diagnosis or repairs please call Kris or Andrew at CarMasters Automotive 456-0722, Jim