Operation CHARM: Car repair manuals for everyone.

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.