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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Chart No. 1, Control Unit Power Supply Circuit Test

When the ignition and main switches are in the ON position current flows to the ignition switch, fuse 11 of the junction block, cruise control switch, control unit and ground.
Check control unit power supply, ECU terminal No. 2. When the cruise control main switch is ON, voltage measured should be approximately 12 volts.
Check control unit ground, ECU terminals No. 8, 14, and 22, no voltage should be present.
Repair wiring as needed.