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 System: Service Precautions

Safety precautions

CAUTION:
Observe the following precautions to prevent personal injury as well as possible damage to sensitive electrical components.

- switch OFF the ignition before connecting or disconnecting components or test equipment

- connect and disconnect battery ONLY with ignition switched OFF otherwise the control unit could be damaged

- do not touch or remove ignition wires with engine running or while cranking

- if the engine must be cranked but not started (for compression testing etc.) disconnect harness connector from ignition coil power output stage and remove fuse 18

- do NOT connect a condenser of any kind to terminal 1 of the ignition coil

- when installing noise suppressors, ONLY use 1000 Ohms for high tension wires and 5000 Ohms for spark plug connectors

- do NOT replace distributor rotor (marked R1) with a different type