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

Spark Plug

RESISTANCE VALUES

Crankshaft Position Sensor 125-275 ohms

Ignition Wire

1-15 in. 3000/10,000 ohms
15-25 in. 4000/15,000 ohms
25-35 in. 6000/20,000 ohms
OVER 35 in. 8000/25,000 ohms

Ignition Coil

Secondary Coil Resistance 10,000-13,000 Ohms

Spark Plug Gap .060 in. (1.5 mm)