360LA Intermittent Issue

Loose wire going from engine bay into the firewall junction block bulkhead.

View attachment 1716221178

'76 D100 pictured here ^


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Good starting point, I’ll inspect those.

Have you actually done any diagnostic at all?
Not specific to this issue, no. It’s been so intermittent and random, I did one day start looking with a meter and sure enough, the second I turned that thing on the truck kicked over. That’s why I was asking if there was any weird little commonly known things that come up.

Looks like a multimeter is in order.
It’s at work, need to remember to grab it and bring it home!