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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Primary Heating System






The blower motor relay used, is an integral part of the blower motor resistor and cannot be serviced separate from the resistor.

Remove or Disconnect

1. The blower motor insulator.
2. The electrical connectors from the resistor and the blower motor.
3. The retaining screws from the blower motor case.
4. The resistor from the blower motor case.

Install or Connect

1. The resistor to the blower motor case.
2. The retaining screws to the blower motor case.
3. The electrical connectors to the resistor and the blower motor.