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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Control Assembly: Description and Operation

Control Assembly:






The heater and the A/C control head uses three knobs and four push buttons in order to control the following features:

- The air delivery
- The air temperature
- The blower motor speed
- The rear defrost

A wiring harness connects the compressor clutch and the blower motor to the control head.