Re: Spirit engine problem fixed....now the %&*^$ SX/4

[adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)]

" From: Tom Jennings <tomj@xxxxxxx>
" 
" On Thu, 23 Jun 2005, Peter Marano wrote:
" 
" > If the car had points and the points were closed the voltage would be 
" > reduced, but if the points were open would not the voltage mesure 12 volts? 
" > V=IR  The volt meter is a null device, it allows no current so I=0.
" >
" > I don't know how the electronic ignition behaves when the engine is not 
" > running.
" 
" Electronic ignitions of the Duraspark type (meaning basically
" electronic "points replacements" not CD or other fancy-pants
" stuff) leave the coil saturated with current (eg. "points closed")
" until the reluctor vanes in the distrib MOVE past the coil. It's
" magnetic; it doesn't detect position (like points do) but require
" motion.
" 
" Basically it acts like a points car, except the engine never stops
" with the points open. Makes it much easier to test!

gm hei is an exception to this.  if it doesn't see a trigger within a
certain window it opens the coil ckt.  you can leave the key on as
long as you like without burning the coil up.
________________________________________________________________________
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen

adh@xxxxxxxxxxxxxxxxx                       and think what none thought