Doesn't the ECM control the dwell?  Would bad solder joints affect the
"on-time" of ignition driver?

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Angus Gordon
Sent: Saturday, September 19, 2015 10:15 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Cause of weak spark?

Thanks David, but it's not the ECU. I have a spare which I tried.

I'm almost out of troubleshooting time (back to work), but doesn't the ECU
control the coil power ground? Why the high voltage?

Angus