Trigger Signal: MSD 6A, 7AL ??

[Bruce Plecan]

----- Original Message -----
From: Paul Ko <pko at engr.ucdavis.edu>
To: <diy_efi at efi332.eng.ohio-state.edu>
Cc: <diy_efi at esl.eng.ohio-state.edu>
Sent: Sunday, April 11, 1999 1:30 AM
Subject: Trigger Signal: MSD 6A, 7AL ??

That is correct.
>From the sound of things, I'd try inverting a signal and see where the
timing goes.
Do you have a scope where you can look at things?.
Is there anyway to eliminate some of the electronics?.
Bruce


> Does anyone know how the trigger signal for the MSD ignition boxes look
> like?  This is thru the points wire (white).  I assume it is a rising
> signal because points output a rising signal and also the testing
> procedure for the MSD is to ground and release the white wire, where the
> trigger is upon the release from ground.
>
> Thanks in advance,
>
> Paul Ko
> pko at mindspring.com
> http://www.mindspring.com/~pko
>
> Formula SAE UCDavis Team Captain
> http://mae.engr.ucdavis.edu/~fsae
>
>
>
>