Aftermarket Wiring Harnesses

Good morning Speed,
I've not put much research into the various wiring packages or the vendors or used them, so I'm interested in hearing from others who have used them.

Imho, the wiring in these older cars are not very complex and can be emulated without too much fuss. The process is very tedious and time consuming. I've found that I needed to crossreference the MOPAR service manual diagrams with diagrams from othe years or option specific diagrams to get the clear picture.

Keys to success for me have been:

Take your time
Review the schematic before starting
Trace each wire and circuit at least twice to get oriented.
Patience
Good tunes
And a cold one.

Take care.