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Generac — Procedure:

For these Generac models: 389/206/163cc, 410cc, GP1800, GP3250, GP5000, GP5500, GP6500, GP7000, GP8000.

Applies to: Generac Gp1800, Generac Gp3250, Generac Gp5000, Generac Gp5500, Generac Gp6500, Generac Gp7000, Generac Gp8000

Procedure

  1. Isolate all stator wires from the control panel and the
  2. Set a VOM to measure resistance.
  3. Refer to Configuration “C” in Section 1.4 for proper test
  4. If any wire has a direct short to ground or to the chassis
  5. If all wires test good for a short to ground, refer back to

Source: manual:GP Series Service Manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.