The heater motor speed resister is burned out.
The blower motor speed resistor is burned out.
Normally when a heater blower motor only works on the High setting, it is caused by a defective Blower Motor Resistor Pack. The fix is to, Replace it. In very rare instances it can also be a defective blower motor speed control switch, but rarely.
Blower fan inoperative or only works on high speed.
Possibly
There is a resistor/ circuit board near the heater motor that need to be replaced. You can get one from almost any auto parts store.
Replace heater motor resistor.
ABS and blower motor are unrelated.To fix blower motor, read this:http://www.ricksfreeautorepairadvice.com/diagnostics/blower-only-works-on-high-speed
Check the blower resister
Check the resistor if it only works on high Check the resistor if it only works on high Check the resistor if it only works on high
The blower motor speed resistor is burned out.
Switch problem? Cables disconnected?
Yes there is, but it only operates the high speed function.