All,

I have my D100 running now and I am working out the small bugs. Today I took it out for a drive and it stalled randomly. I was riding along at about 40 mph and it just sort of cut out. I pushed in the clutch and coasted to a side road to find a place to stop.

When I stopped, I took a look under the hood and everything looked fine. I started it back up and it ran home just fine.

It seemed to me like it lost spark briefly. I have the HEI mod. Does this make sense. Has this ever happened to you guys?

If it is not spark related, any other ideas on what to check?

Thanks, Craig

Craig,

Until it happens again, it will be hard to diagnose. Maybe an intermittent power wire to the HEI? Was the HEI hot when it happened? Carry a multimeter with you to check voltages or open circuit if/when it happens again.

Best wishes,

Lou

_________________
Home of Slant6-powered fun machines since 1988

Lou,

Thanks for the response. I originally thought my issue was because I was not using the relay because my wiring was new. I recently added the relay and took it our for a drive and it died 100% - no spark at all.

I towed it back home and went through the instructions again. I realized that I omitted the ground wire from the HEI module to ground. So I think that missing ground or the previous missing relay has killed my module. Which one do you guys think it is?

So I just ordered two new ACDelco HEI modules and I plan to install them this weekend. I will use the relay this time and remember the ground wire. I will let you guys know what I find.

Thanks, Craig

Craig,

I am not familiar with the details of HEI as I do not use that system. However, your logic sounds good and hopefully the next go round with the relay and grounds will work well.

Lou

_________________
Home of Slant6-powered fun machines since 1988