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Blower won't come on after changing dead battery

I have a 2006 Kia Spectra. I had to replace the battery earlier today as the old one was completely dead. the ac, heat, and defrost worked perfectly before and after the replacement. after I drove around and did what I had to do I got in the car for the 3rd time and neither of those would come on anymore. what could be the cause? all the fuses have been checked and are good.

Turn the ignition switch on so the dash lights come on, turn the blower speed to high, and reach under the passenger side of the dash and rap on the blower motor with the handle of a screwdriver.

If the blower motor starts working, replace the blower motor.


It’s cranking fine with the new battery, right? A good fast crank … that rr rr rrr sound when you turn the key to “start”.