2 41... Checking components of starting motor (electric test)

2001 BMW 750iLSECTION 2 41... Checking components of starting motor (electric test)

Check power input, refer to STARTER SPECIFICATIONS of pull-in and holding windings in solenoid switch.

Fig 1: Checking Solenoid Switch Power Input
G03212993

Check excitation winding, carbon-brush holder and open-coil armature winding for short circuit to earth.

Check armature for shorted turns - use a standard test probe.

Checking that excitation winding is not necessary with permanent magnets.

Fig 2: Checking Excitation Winding, Carbon-Brush Holder And Open-Coil Armature Winding
G03212994
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.
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