A: You would think so, but the feedback through the indicator system, if not resistored, will be sufficient to keep a car running. (there are multiple threads on this on various Hot Rod websites under Delco alternator conversion won't let my car shut off! Happened to me the first time too) From: Tom Jennings <tomj@xxxxxxx> To: mail@xxxxxxxxxxxx Subject: Re: More Alternator Message-ID: <20050523002626.G990@localhost> On Sat, 21 May 2005, Jim Blair wrote: > A: This is true EXCEPT you have to run a 10 ohm resistor in the idiot > light > wire or the car won't shut off when you turn the key. But but but... if power to the ignition is turned off, there will be no spark and the engine will stop, regardless of alternator wiring...