Operation CHARM: Car repair manuals for everyone.
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

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Cruise Control Switch: Testing and Inspection

Speed Control Switch:




1. Remove the ON/OFF and CANCEL speed control switch assembly and disconnect the two-way connector.
2. Using an ohmmeter, touch a lead to each pin. The meter should read 22,848 to 22,351 ohms. Press the CANCEL button, the ohmmeter should read 0 to 0.5 ohms. Press the ON/OFF button, the ohmmeter should read 668 to 653 ohms. If the resistance does not fall within these values replace the switch.
3. Remove the SET/RESUME speed control switch assembly and disconnect the two-way connector.
4. Using an ohmmeter, touch a lead to each pin. The meter should read no continuity Press the SET button, the ohmmeter should read 1,978 to 2,022 ohms. Press the RESUME button, the ohmmeter should read 5,558 to 5,682 ohms. If the resistance do not fall within these values replace the switch.