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

8-Step B, Spark Control Wire


1. With logic module white electrical connector disconnected, place ignition switch in the Off position.
2. Disconnect jumper wire from terminal No. 6 of the white connector.
3. Disconnect 12 terminal electrical connector from [1][2]power module.
4. Connect an ohmmeter between terminal No. 6 of logic module white electrical connector and terminal No. 10 of the [1][2]power module 12 terminal electrical connector.
5. If ohmmeter indicates continuity, check wiring from terminal No. 10 of the [1][2]power module connector for short circuit to ground. If wiring is satisfactory, replace power module.
6. If ohmmeter does not indicate continuity, check wiring for open circuit.