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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Heater-A/C Control Replacement


1. Disconnect battery ground cable.
2. Remove instrument cluster bezel and the control panel mounting screws.
3. Pull control panel from cluster and disconnect control cables, electrical leads and vacuum harness.
4. Remove control assembly from vehicle.
5. Reverse procedure to install.