Operation CHARM: Car repair manuals for everyone.

Blower Motor Resistor: Testing and Inspection

1. Manual A/C:







INSPECT BLOWER RESISTOR RESISTANCE

Measure resistance between terminals, as shown in the chart.
If resistance is not as specified, replace the blower resistor.

2. Auto A/C:




INSPECT BLOWER RESISTOR RESISTANCE

Measure resistance between terminals.
Standard resistance: 1.8 - 2.2 Ohms
If resistance is not as specified, replace the blower resistor.