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Home >> Chevrolet >> 1995 >> Corvette Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM/Pcm Code Charts >> Code 99 Tach Output Circuit >> Test Description
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Test Description

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Use Jumper Harness (J 35616-A) to prevent damage to harness.
Fig 1: Code 99 Schematic (Corvette) Tach Output Circuit
G95C14391
Fig 2: Code 99 Diagnostic Flow Chart (Corvette) Tach Output Circuit
G95B14390
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