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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Speed Sensor

SPEED SENSOR

To perform the speed sensor check, leave one lead of your ohmmeter on pin 12 and connect the other lead to pin 13. Raise the front wheels and turn them by hand. The ohmmeter should alternate between zero and infinity.