Thanks for the reply and kudos Peggy M. Gauges were done just like that tech tip, yes and I will certainly be following the bench seat tech tip you linked to.
In the meantime, there has been more great progress on the pickup!
Completely re-wired:
Dome light works again!
Headlights work!!!
Gauge lights too!
I also installed new rear window rubber:
Next is carpet, headliner and new windshield rubber.