What does the blower motor resistor connect to?

The traditional blower motor resistor is connected to ground and wired in series with the blower motor assembly. Blower motor resistors have several resistors with different resistances. This controls the current that runs through the blower motor. via

Why does my blower motor resistor keeps melting?

What causes heater resistors to burn out? Trent, one of the biggest reasons for blower motor resistors to have shorten life is actually because of faulty blower motor drawing too many amps, some times melting wires/plugs, heating up resistors shortening their life. via

What is the yellow wire on a blower motor?

From what I can see, looks like on the old motor: Black = High speed, Yellow = Medium high, Orange = Medium Low, Red = Low speed. via

How do you wire a 3 wire blower motor? (video)

https://www.youtube.com/watch?v=wzjcRx2xR7w

How do you wire a 2 speed blower motor? (video)

https://www.youtube.com/watch?v=w5kvhQBU9TY

Why does my blower motor relay keep blowing?

Blown fuses

If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system. via

Should a blower motor resistor get hot? (video)

https://www.youtube.com/watch?v=lupH6PY8-DM

How do I test my AC control board? (video)

https://www.youtube.com/watch?v=52iq9rYI0mI

How do you test a blower motor with a multimeter? (video)

https://www.youtube.com/watch?v=pK3dmfBjRI8

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