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

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12B Check Fuel Control Wire


1. With logic module white electrical connector disconnected, place ignition switch in the Off position.
2. Disconnect jumper wire from terminal No. 2 of logic module electrical connector.
3. Disconnect power module 12 terminal electrical connector.
4. Connect an ohmmeter between terminal No. 1 of power module 12 terminal connector and ground.
5. If ohmmeter indicates continuity, replace power module.

CAUTION: Before replacing the power module check the terminal in cavity No. 1 of the 12-way connector to make sure it is not spread apart causing a poor connection.

6. If ohmmeter does not indicate continuity, repair wire for an open circuit.