Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Blower Motor Resistor: Testing and Inspection

Blower Motor Resistor

@sk99grand_1a-007d
Measure each terminal-to-terminal resistance on resistor.

Resistance
H-LO: Approx. 2.0 ohms
H-M1: Approx. 1.0 ohms
H-M2: Approx. 0.4 ohms

If measured resistance is incorrect, replace heater blower resistor.