Stator Test

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Stator Test
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using an ohmmeter, measure resistance between stator leads. Perform STEP 1 in figure. See Fig 1 . If resistance is more than 5 ohms for any measurement, replace stator.
  2. Using an ohmmeter, measure resistance between each stator lead and stator core. Perform STEP 2 in figure. See Fig 1 . If resistance is less than 5 ohms, replace stator.
Fig 1: Testing Generator Stator
G99J03098Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.