Posted by Will (in IL) [98.215.27.52] on Thursday, November 29, 2012 at 08:35:38 :
In Reply to: idiot light posted by Jerry in Idaho [69.59.83.175] on Thursday, November 29, 2012 at 01:06:52 :
I'd run a ground wire from the alternator to the battery/frame ground point and see what happens.