Pick-Up Coil Resistance And Short Check
- Turn the ignition switch "OFF". Disconnect 2-wire distributor connector. Connect an ohmmeter set in the x100 scale with one lead touching each terminal of distributor harness connector. See Fig 1.
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- Pick-up coil resistance should be 700-800 ohms. If not, replace pick-up coil assembly. If system works intermittently, be sure pick-up coil wire in distributor is properly grounded. See Fig 2.
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- Next, attach ohmmeter leads to either terminal of distributor connector and to distributor housing. An infinity reading should exist. See Fig 1. Also check air gap.