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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Vehicle Speed Sensor: Testing and Inspection

1. Remove combination meter.
2. Connect ohmmeter between terminals a 1 and a 7.
3. Ensure there is continuity between terminals when rotating speedometer cable shaft. If not 4 times per rotation, replace speedometer.