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Home >> Oldsmobile >> 1990 >> Custom Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Basic Ignition System Checks >> HEI-Est Distributor >> Ignition Coil Power Source

Ignition Coil Power Source

  1. Turn ignition on. Using voltmeter, check voltage between terminal "B" of ignition coil and ground on models with remote-mounted coil.
  2. On models equipped with integral ignition coil, check voltage between "BAT" terminal and ground at distributor. Battery voltage should exist. If not, check for open circuit, blown ignition fuse or defective ignition switch.
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