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

Spark Plug Cord

INSPECTION
Check the following items.

- Damage, deformation, seizure of spark plug cords or rust formation of terminals
- Resistance of spark plug cords

Standard:
#1 spark plug code: 5.0 - 12.1 kOhms
#2 spark plug code: 8.5 - 19.9 kOhms
#3 spark plug code: 5.4 - 13.0 kOhms
#4 spark plug code: 8.6 - 20.2 kOhms