Technical Service Bulletin New Voltage Regulator

Subject: New Voltage Regulator             Models: 911/928 1984

Bulletin Number: 83 – 01

To prevent voltage regulator failure due to high temperatures, a new regulator is being installed as of start of production 1984 model year.

The new regulator is identifiable by its aluminum housing and two cable connections.

  •  Remove old voltage regulator
  • Install angled connector on terminal B+ of alternator making sure that the bottom tip of connector is inserted in hole of diode plate (Figure 2)
  • Install new voltage regulator
  • Connect blue wire from voltage regulator to negative terminal (-) of alternator
  • Connect yellow wire from voltage regulator to new angled connector on B+ terminal of alternator

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