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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Power Transistor HVAC: Testing and Inspection

Blower Resistor (Manual A/C Model)

INSPECTION

1. Disconnect the blower resistor connector.
2. Check the resistance between blower resistor terminals.
Preparation tool: Circuit tester

3. Replace the blower resistor if the inspection result is not within the standard value.