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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>My understanding is that an LED is fine for a dynamo, but for an alternator the current generated by the warning light is what gets the field coils energised, and LEDs pull so little current that the field coils will not energise, and so no generation takes place.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ian<o:p></o:p></p></div></body></html>