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 Cable: Testing and Inspection

Fig. 16 Ignition Cable Resistance Test:






SPARK PLUG WIRES
Resistance (with radio) 6000 +/- 1400 ohms
Resistance (without radio) 1000 +/- 400 ohms

Fig. 17 Spark Plug Connector:






SPARK PLUG CONNECTORS
Resistance (with radio) 5000 +/- 1000 ohms
Resistance (without radio) 1000 +/- 400 ohms

Fig. 18 Distributor Cap Connector:






CAP CONNECTORS
Resistance 1000 +/- 400 ohms

IGNITION WIRES
Resistance (without connectors) 0 ohms

NOTE: If resistance is greater than specified for any wire or connector, replace it.