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Home >> Ford >> 1990 >> Probe GL, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel - Standard >> Testing >> Tachometer Pulse Check 1

Tachometer Pulse Check 1

  1. Disconnect Yellow/Blue wire from ignition coil. Touch wire quickly to 12 volts.
  2. If the tachometer needle jumps, proceed to the WARNING LIGHT SYSTEM CHECK  . If the tachometer needle does not jump, proceed to TACHOMETER PULSE CHECK 2  .
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