1970 Chevy C10 wont start/run unless..

[broberson]

So I bought the truck a month or so ago, ran fine, but had so much BS wiring in it from the PO. Up until 2 days ago, it ran fine, all the livhts worked, no issues. I started scrapping all the extra crap from the stereo and spliced wires (horrible), and I removed a ground from behind the dash bezel and a wire going from the batt terminal on the distributor. Here is my current problem. The truck wont start/run unless I splice a wire feom the batt post from the distributor with a wire from the fuse panel. No fire from the distributor at all. It cranks fine but no fire to the plugs. In addition, I read on cargurus that there is a grounding issue that is common to the 70s-80s chevy, one they called an “ignition starter switch”. This is evidenced by my reverse lights not working, and they mentioned that a ground is open somewhere.

Any help is greatly appreciated and much needed. I have a full wiring harness on the way from Brothers, but I’m bricked until that gets here.
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[Wrenchbender Ret]

Check in back of the ign. switch. Those wires & the connector get burned often. Get a test light. The pink wire should be hot when you turn on the ign. switch.
George