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 Coil

NOTICE: Cold and Hot in the following specifications express the temperature of the coils themselves.
Cold is from - 10°C (14°F) to 50°C (104°F) and
Hot is from 50°C (104°F) to 100°C (212°F).


Resistance between (+) and (-) terminals (Primary)
Cold 0.23 - 0.33 Ohms
Hot 0.27 - 0.39 Ohms

Resistance between (+) terminal and high tension terminals (Secondary)
Cold 6.4 - 11.1 k Ohms
Hot 8.2 - 13.0 k Ohms