Posted by Tom Petroff (IL) [68.166.91.71] on Monday, July 20, 2015 at 14:02:46 :
In Reply to: M37 Last forum ignition troubles update posted by Ken See [70.209.102.18] on Monday, July 20, 2015 at 13:38:53 :
Check your charging voltage while running.
27.5/28 Volts. If it's more than that it will overheat the coil and have the same symptoms before finally burning out.
Been there done that.
TGP