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Brush & Spring Test

  1. Connect ohmmeter between positive brush holder and negative brush holder. If ohmmeter indicates continuity, brush holder assembly is shorted and must be replaced.
  2. Check brush length. See STARTER MOTOR SPECIFICATIONS  table. If brush length is less than specification, replace brushes.
  3. Check spring tension. Spring tension should be 2.0-4.3 lbs. (.91-1.95 kg). Ensure brushes move freely in holders.
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