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Home >> Oldsmobile >> 2003 >> Aurora >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Diagnostic Procedures >> Ignition Systems >> Electronic Ignition System Diagnosis >> Test Description
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test Description

The numbers below refer to the numbers in the diagnostic procedure.

  1. 3

    This step tests for a short to battery positive voltage on the ignition 1 voltage circuit. When the ignition is turned OFF, the test light should not illuminate at the DIS fuse.

  2. 18

    The Spark Tester places a higher load, up to 25,000 volts, on the secondary ignition than a normal spark plug.
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