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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