Just following up on this. It looks like my ground at the battery was the issue. Not the main clamp to the battery post but the stud where the other wires ground. Took this apart and cleaned it. No visible issue like acid or corrosion but no issues since. I think the starting circuit was looking for ...

It's weird for sure. Not consistent either. Like to come and go.

When car is running there are no drls. It has a new ignition switch.

Hello everyone. New Volvo owner here. Looks like I'll be spending some time here getting to know my new car. It has a pretty odd starting issue. Once in awhile when I tun the key the car will not start and the starter will not turn over but the headlights come on even though the switch is turned off ...