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

Cruise Control Servo: Testing and Inspection

1. Disconnect actuator cable from actuator rod and 4 pin connector.
2. Connect battery positive wire to brown/white terminal and negative to brown/black, brown and black terminals of 4 pin connector.
3. Connect a vacuum pump to check valve, then apply vacuum to actuator.
4. The actuator rod should pull in completely. If it only pulls in part way or not at all, replace defective solenoid.