23-10-13, 06:27 PM
(23-10-13, 05:34 PM)Andy FZS link Wrote: Off the top of my head only a dynamo will generate without haveing a voltage applied to it and most if not all charging systems these days are alternators which require a battery connected to work or have I totally missed the point?the alternator is just a coil (or three) of wire with a magnet spinning alongside it. a magnetic field moving across a conductor will induce a current in that coil.
Andy
(23-10-13, 05:39 PM)CRH link Wrote: [quote author=Andy FZS link=topic=10406.msg108891#msg108891 date=1382546045]...thats what i think too andy!!...and ime sure you should not disconnect whilst engine running :rolleyes ....ime also thinking if the rectifier wasnt fkd before?...it may be now!!!!!!...ime sure the unfazed wizard will be along shortly to put us right?
Off the top of my head only a dynamo will generate without haveing a voltage applied to it and most if not all charging systems these days are alternators which require a battery connected to work or have I totally missed the point?
Andy
[/quote]
would turning the ignition off not essentially do the same - causing a brake in the circuit.