> I think that if one makes an electronic ignition it should be made to > withstand sparks to ground from the output coil (can be 20J). This is > *hard*. I doubt that most series auto electronics will withstand this in a > modern 'computerised' engine. True. Even the electronic ignition systems in new cars (Toyota in particular) do not survive losing a spark plug wire with engine running. -Bob -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu