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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Electrical Test

Servo Electrical Check.:





1. Disconnect 8-pin connector at speed control servo, then measure resistance in circuits listed in the chart.
2. If resistance readings are not as specified, replace speed control servo. If readings are within the chart specifications, proceed to following step.
3. Connect wiring at speed control servo and disconnect 8-pin wiring connector at amplifier, then measure resistances in circuits listed in the chart.
4. If resistance readings are not as specified, repair wiring between amplifier and speed control servo. If readings are within chart specifications, speed control servo and wiring are serviceable.