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Resistance Test

  1. Remove instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Remove speedometer from instrument cluster. Using an ohmmeter set to the 1000-ohm scale, measure resistance of tachometer. SeeFig 1 . Replace tachometer if resistance is not as specified.
  2. Ensure instrument cluster tachometer readings closely match those of an external tachometer. See TACHOMETER VARIATION SPECIFICATIONS  .
Fig 1: Testing Tachometer
G96J06474Courtesy of ISUZU MOTOR CO.
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