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)

Or, hide this message: temporarily or permanently

Ignition Coil


Coil Winding Resistance--Ohms at 80° F (27° C)

With Distributor:

1981-82 6-cyl. engine.:
Primary - between 0 and 1
Secondary - between 6,000 and 30,000

1981-82 8-cyl. engine. ex. 4.1L (250):
Primary - between 0.4 and 0.5
Secondary - between 8,000 and 9,500

1982 All others:
Primary - between 0 and 2
Secondary - between 6,000 and 30,000