hearter stopped working on 2006 Hyundai Sonata

only worked on 1 speed then completely stopped changed blower resistor and still nothing

Asked by for the 2006 Hyundai Sonata
The blower may have failed, but more likely - check the wiring connector at the resistor you changed. Chances are there could be a burnt or damaged terminal or melted hard shell. This will cause a problem too. Look at it closely.