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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Cruise Control Relay: Description and Operation
PURPOSE Relay supplies battery voltage to speed control servo.
OPERATION When speed control is engaged the
Powertrain Control Module (PCM) receives an input from speed control ON switch. In response to the input, the PCM grounds (energizes) the
relay. When energized the relay provides battery voltage to the speed control vacuum and vent solenoids inside the servo.