LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Porsche >> 1987 >> 928 Standard >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - V8 >> Specifications >> Alternator Regulator
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Alternator Regulator

All models are equipped with Bosch or Motorola solid state alternator regulators.

REGULATOR OPERATING VOLTAGE @ 68°F (20°C)

Application Volts
928S 13.5-14.8