Accessories and Optional Equipment: Technical Service Bulletins

• Customer Interest
  • Alarm System - Activates Intermittently, Dead Battery
  • Radio - Discharged Battery/Alarm System Malfunction
  • Central Locking and Alarm - Water Ingress
• By Symptom
  • Customer Interest
    • Alarm System - Activates Intermittently, Dead Battery
    • Radio - Discharged Battery/Alarm System Malfunction
    • Central Locking and Alarm - Water Ingress
  • Erratic Operation
    • Alarm System - Activates Intermittently, Dead Battery
  • False instrument warning light/gauges
    • Telephone - Installation and Operation
      • Overview
      • Wiring Installation 911 Carrera 2 and 911 Carrera 4
      • Wiring Installation, 944 Models From 85/2 (Coupe Only)
      • Wiring Installation, 928 S4 and 928 GT
  • Leaks
    • Central Locking and Alarm - Water Ingress
  • Low, Dead battery
    • Alarm System - Activates Intermittently, Dead Battery
    • Radio - Discharged Battery/Alarm System Malfunction
• All Technical Service Bulletins
  • Cellular Phone (Fujitsu) - Installation
    • Overview
    • Work Procedure
      • Overview
      • Antenna Installation
      • Route Antenna Coax Cable
    • Parts Required
    • System Layout
  • Tools - Testers for Alarms, Central Warning, & Air Bag
  • Telephone - Installation and Operation
    • Overview
    • Wiring Installation 911 Carrera 2 and 911 Carrera 4
    • Wiring Installation, 944 Models From 85/2 (Coupe Only)
    • Wiring Installation, 928 S4 and 928 GT
  • Alarm System - Activates Intermittently, Dead Battery
  • Radio - Discharged Battery/Alarm System Malfunction
  • Radio - Alarm Contact Installation With Replacement
  • Radio - Alarm Contact Insulator When Replacing
  • Central Locking and Alarm - Water Ingress
  • Vehicle Security Codes - Requesting
  • Radios/CD Players - Obtaining & Entering Security Codes
    • Overview
    • Alpine CD-2
    • Reno II Radio
    • Stuttgart Radio