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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (General Information - Electrics) >> Work Instructions After Disconnecting The Battery >> Effect Of Disconnection Or Total Discharge Of The Battery On Electrical Systems In The Vehicle, Subsequent Measures >> Notes

Effect Of Disconnection Or Total Discharge Of The Battery On Electrical Systems In The Vehicle, Subsequent Measures: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.
  1. Never disconnect battery with engine running.
  2. Never start engine without securely connected battery.
  3. Do not use a boost charger to start the engine.
  4. Whenever possible, use jump leads with overvoltage protection.
  5. Always disconnect the battery terminals before carrying out welding work on the vehicle.
  6. Wiring harness plugs of control modules or other electronic components must be connected or disconnected with the ignition off. Exception: vehicles with the additional equipment M 536 (alarm siren with tilt sensor).
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