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

Overdrive Switch System

1. Disconnect the Overdrive switch connector.
2. Place the overdrive switch in the ON (overdrive operating) position and check for continuity between the white and red wires.

CONTINUITY
Should exist

3. Place the overdrive switch in the OFF (overdrive not operating) position and check for continuity between the white and yellow wires.

CONTINUITY
Should exist

4. If continuity does not exist, replace the overdrive switch.