Generac — Test Between Windings

Testing & diagnosis · Stator

From a Generac service manual covering: GPS 12500, GPS 15000, GPS 17500. Check it applies to your exact model before use.

Applies to: Generac GPS 12500, Generac GPS 15000

Procedure

1. Insert paper clip into Pin 3 (Wire 55A); red probe to clip, black probe to Stator Lead 11.
2. Repeat with Pin 6 (Wire 2) and Pin 8 (Wire 55) against Stator Lead 11.
3. Using two paper clips, test Pin 3 (Wire 55A) to Pin 6 (Wire 2).
4. Test Pin 3 (Wire 55A) to Pin 8 (Wire 55).
5. Test Pin 6 (Wire 2) to Pin 8 (Wire 55).
6. Follow Hi-Pot steps 5a through 5c for each test.

Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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