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)

Or, hide this message: temporarily or permanently

Auxiliary Unit

Auxiliary Heater Control Switch:






Remove or Replace
1. Instrument cluster trim.
2. Electrical connectors
3. Control switch from instrument cluster trim.

Install or Connect
1. Control switch to instrument cluster trim.
2. Electrical connectors.
3. Instrument cluster trim.

- Check circuit operation.