Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

California



NOTE: To further assist you during testing, use the wiring diagrams.
CAUTION: Always turn ignition OFF when connecting or disconnecting terminals.
Be sure to check the integrity of the wires, connectors, ignition switch, battery terminals and fuses before replacing an expensive component.

1. Check coil ground strap for connection and integrity. Repair as needed.
2. Connect a voltmeter between coil terminal 15 (+) and ground.
3. Turn ignition to the ON position. Reading should be:

Approx. 12 volts

If not, check wiring, connectors (INCL. battery terminals), fuse and ignition switch. Repair as needed and retest.
4. Turn ignition OFF.
5. Disconnect all wires to the ignition coil.

Digifant I Coil Power Stage Connector:





6. Connect an ohmmeter between terminal 1 (-) and 15 (+). Reading should be:

0.52 - 0.70 ohm

If not, replace and retest with new coil.

Digifant I Coil Connectors:





7. Connect the ohmmeter between coil wire terminal 4 (center) and 1 (+). Reading should be:

3000 - 4000 ohms

If not, replace and retest with new coil.
8. If coil passes test, it is in good operating condition.
9. Reconnect all connectors.