Well, that may explain Dave's problem then... the 2700 ohm resistor would change the capacitor discharge time (RC Constant in the ECU) putting the pulse back where it belongs. --- Martin Gutkowski <martin@xxxxxxxxxxxxxx> wrote: > I *think* the result will only be that the timing is > offset slightly > becasue the ignition amplifier is triggered when > polarity switches (ie > the waveform passes through 0v). EFI systems do NOT > like being plugged > in backwards FWIW, they miscalculate the "missing > tooth" > > Martin (who's been researching EFI again...) > > Marc Levy wrote: > > > Does the pulse coil have polarity?? Maybe at some > > point the wires in the connector were reversed? > > > > I know the car will RUN either way, but maybe the > > signal from the pickup is distorted if the > polarity is > > reversed. > > > > > __________________________________________________________ > > No need to miss a message. Get email on-the-go > > with Yahoo! Mail for Mobile. Get started. > > http://mobile.yahoo.com/mail > <http://mobile.yahoo.com/mail> > > > > > > > > > [Non-text portions of this message have been > removed] > > ____________________________________________________________________________________ Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and lay it on us. http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7 To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/