voltage fluctuation

  1. Alternator kicking in and cutting out 2004 Cooper

    Faults & Fixes
    Hope someone can help me, my until now totally reliable 2004 Coooper has developed a charging problem, here's the story bulleted to make it easy :- 1. Went to start car, completely dead, not even enough life to try and turn the engine (it was a really cold day so assumed battery had died). 2...