Quote Originally Posted by modpcm View Post
Hi , it is known by GM for a while , according to some GM engineers the IPC has a battery feed and a ignition feed , the difference in voltage between the 2 for a certain amount of time (some milisec) during a crancking event with a set of battery not at 100% recharged on a large block or diesel could create this concern. Basically low battery and high starter motor current draw .

Modpcm
That makes sense. I pulled my second batt around the same time it started. Thanks!