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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Ignition Cable: Testing and Inspection


1. Disconnect spark plug leads from spark plugs.
2. Remove distributor cap with spark plug wires connected.
3. Using suitable ohmmeter, place one lead on distributor cap contact while placing other lead at the end of the corresponding spark plug wire lead.
4. Resistance should not exceed 25,000 ohms. If resistance exceeds specifications, inspect cap contact and spark plug wire terminals and replace as necessary.