Alternator & Regulator: Other BMW 3 series E36

Stator

1. Place ohmmeter on lowest scale. Measure resistance between 2 of the 3 sets of wires. Move one ohmmeter lead to the other set of wires. Check resistance between the remaining set of wires. Resistance values must be identical. If resistance is incorrect, stator has open or shorted windings and must be replaced.
2. Place ohmmeter on X1000 scale. Connect ohmmeter between stator core and each stator lead. Continuity should not exist. If continuity exists, stator is grounded and must be replaced.

Rotor

1. Place ohmmeter on lowest scale. Connect ohmmeter across slip rings. Ensure resistance is within specification. See the «ROTOR RESISTANCE»(ref-59954-S36805412772001011800000) table.
2. If resistance is too low, rotor has short circuit and must be replaced. If resistance is infinite (no continuity), rotor has open circuit and must be replaced.
3. Place ohmmeter on X1000 scale. Connect ohmmeter between rotor core and either slip ring. Continuity should not exist. If continuity exists, rotor is grounded and must be replaced.

ROTOR RESISTANCE