2006 Arctic Cat DVX 400 Service Manual, Page 105Get this manual
11Inspect the armature for shorting using "growler" and the following procedureAPlace the armature in the "growler BWhile holding metal strip on the armature, rotate the armature an entire revolutionIf the metal strip vibrates at any point on the armature, the armature is shorted and must be replaced ASSEMBLINGINSTALLING
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12Inspect the ground brushes to make sure they are properly groundedUse multimeter and the following procedureASet the selector to the OHMS positionBTouch the black tester lead to ground brushCTouch the red tester lead to the brush holder assemblyNOTE: If no resistance is indicated, check the ground connection for tightness and for cleanlinessIf there is still no meter indication, replace the brush assembly
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