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

Computerized Output

PCM Wiring:

CIRCUIT OPERATION

The cruise control system maintains a driver selected speed by operating the throttle through the cruise control servo. The Powertrain Control Module (PCM) controls the servo based on input data from driver operated controls and other inputs like vehicle speed and engine speed.