LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1999 >> Trooper Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Starters) >> Bench Testing >> Commutator Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Commutator Test

WARNING: This page is about a different car, the 1999 Acura SLX, 1999 Acura Integra, 1999 Acura 3.5RL, and 1999 Acura 3.2TL. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for continuity between commutator segments. If continuity is not present, replace armature. Measure commutator mica depth. See STARTER SPECIFICATIONS  . If mica depth not within specifications, replace commutator.
  2. Measure commutator runout. See STARTER SPECIFICATIONS  . If runout is not within specifications, replace armature assembly. If commutator is burnt or dirty, clean using emery cloth or a lathe. Measure commutator diameter. See STARTER SPECIFICATIONS  . If diameter is less than minimum specification, replace armature assembly.