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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Ignition Cable: Testing and Inspection






1. CAREFULLY REMOVE HIGH-TENSION CORDS BY THE RUBBER BOOTS FROM SPARK PLUGS.

CAUTION: Pulling on or bending the cords may damage the conductor inside.









2. INSPECT HIGH-TENSION CORD RESISTANCE.
- Using an ohmmeter, measure the resistance without disconnecting the distributor cap.

Maximum resistance: 25 k-ohms per cord

- If the resistance is greater than maximum, check the terminals. if necessary, replace the high-tension cord and/or distributor cap.