Central warning system faults due to igntion faults or weak battery on Porsche 911

The vehicle central warning display can be sensitive to interference from vehicle ignition faults such as high voltage arcing anywhere in system. Battery capacity must be adequate to avoid electrical issues; also, the battery must be maintained and checked regularly.
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Average mileage: (–)
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998
9 people reported this problem
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