Intermittent ignition cutting

[tiny2ner]

Here is a video I took of the issue, it happens a couple times in the first half of it.

https://youtube.com/shorts/6vikIb5xy...KvU5_T1i4nWjbo...

[tiny2ner]

Ok so for transparency, this is not my car, im a tech and was given this basket case of a car. A previous tech has done a bunch of work on it and I dont know everything, or if the car originally came...