Looking to upgrade 69 Dart wiring

I replaced all of the wiring in my '69 Dart with oem harnesses. Up graded the engine harness for electronic ignition, all plug and play. Don't recall if it was Classic Industries or Year One. Absolutely plug and play, no regrets. If you go the electronic route, you do have to go square back alt and 4 prong ballast and of course, the module and dist, but all plug and play.