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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Automatic Heater A/C Control

Heater A/C Control:






Remove or Disconnect

1. Battery ground (negative) cable.
2. Front floor console (Buick only).
3. Instrument panel trim plate.
4. Heater A/C control mounting screws.
5. Heater A/C Control.
6. Electrical connectors.

Install or Connect

1. Electrical connectors.
2. Heater A/C control.
3. Heater A/C control mounting screws.

Tighten
^ Screws to 2 N.m (18 lb. in.).

4. Instrument panel trim plate.
5. Front floor console (Buick only).
6. Battery ground (negative) cable.