Technical Service Bulletin Speedometer Modification

Subject: Speedometer Modification      Models: 911SC/911 Carrera 1984

Bulletin Number: 84 – 02

Electronic changes have been made to the speedometer.

When replacing speedometer on vehicles with cruise control, do the following:

  • Connect cruise control wire to terminal 31b on speedometer head instead of terminal A

Cruise control will not function until this modification is made.

Change in production as of Model 1984:

VIN                        91 ES 12.0315 Coupe

                                91 ES 16.0303 Targa

                                91 ES 17.0219 Cabrio

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