Rick's Free Auto Repair Advice

Blower Motor Resistor

Blower Motor Resistor Wiring Diagrams

A blower motor resistor works by routing power through 1, 2, or 3 in-series resistors. See the blower motor resistor wiring diagrams below to see how it works on each speed.

Blower motor on High Speed
Blower motor on speed 2
Blower motor on speed 1
blower motor on low speed

Posted on by Rick Muscoplat

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