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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2542 (Engine Electrical System - Repair (N63)) >> 1200 Troubleshooting >> 61 00... Instructions for disconnecting and connecting battery >> Before disconnecting battery

Before disconnecting battery

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Turn off the ignition and other electrical loads/consumers to prevent sparking when reconnecting.

NOTE: If the ignition is not turned off when the battery is disconnected, fault memories may be set in some control units.
IMPORTANT:
  • There is a danger of mixing up battery leads: If the battery positive and negative leads are the same color and you are in doubt, follow the polarity to the battery, then mark and cover the leads.
  • The on-board computer and clock may lose your data.
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