Is it normal for the blower motor resistor to glow when in use? (Guessing not)

DIY Blower Motor Resistor Pack Replacement

What is a Blower Motor Resistor? And How Can You Tell if Yours is Bad?

My car's heater works, but the blowers have gone from intermittent to now working. Sometimes operating the recirculation lever would get the blower to work, but now nothing. Do you have any

Does a blower motor resistor get hot? - Quora

Rear blower motor resistor?

Mk II heater blower resistor location

S550 HVAC blower resistor replacement

2011 polo . New heater resistor pack smells - - THE VW Polo Forum

HVAC blower motor resistor replacement

Does a blower motor resistor get hot? - Quora

Model Years 2012 to 2017 - Fan not blowing, A/C light not coming on