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 Coil


Winding resistance (ohms at 80°F or 27°C)

With distributor:

1981-82 6-cyl. eng.: Primary, 0-1; Secondary, 6000-30,000.

1981-84 8-cyl. eng. ex. 4.1L (250): Primary, 0.4-0.5; Secondary, 8000-9500.

1982-90 All others w/distributor: Primary, 0-2; Secondary, 6000-30,000.

1987-90 2.8L: Primary, NA; Secondary, 5000-10,000.