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no spark after reinstall
Posted: Tue Oct 26, 2010 3:33 pm
by tewbert
I have ver 2.2, with msII and msd ignition. The car was running fine and I removed the megasquirt to configure it for bluetooth. When I reinstalled the squirt, the ignition was on for some reason. Now I have no ignition at all, no spark to the coil. Could I have fried something plugging in the squirt to a live harness? I've checked all fuses, including the ones in the relay box. I'm not using the bluetooth either, still using the computer cable. Any ideas mucho appreciated.
Re: no spark after reinstall
Posted: Wed Oct 27, 2010 3:58 am
by Matt Cramer
What circuit are you using to drive the MSD?
Re: no spark after reinstall
Posted: Wed Oct 27, 2010 3:23 pm
by tewbert
Matt, I'm using the optical sensor on pin24, I believe. The motor is a vg30E nissan.
Re: no spark after reinstall
Posted: Wed Oct 27, 2010 3:29 pm
by tewbert
Matt, I received the USB serial connector this week also and it works like a champ. Thanks.
Re: no spark after reinstall
Posted: Thu Oct 28, 2010 4:29 am
by Matt Cramer
tewbert wrote:Matt, I'm using the optical sensor on pin24, I believe. The motor is a vg30E nissan.
That would be the input... what about the output circuit?
Re: no spark after reinstall
Posted: Thu Oct 28, 2010 6:00 am
by tewbert
Oops. Peter Florance repaired this one other time for me and I believe he used something more beefy that the transistor listed in the manual. Not exactly sure though.
Re: no spark after reinstall
Posted: Thu Oct 28, 2010 8:36 am
by tewbert
I'm gonna fire this thing off to Peter and let him check it all out. I'm out of town for a week or so and won't be able to do anything with it. I'll let you know the results.