1966 Valiant Engine wiring harness

I don't see anything butchered, so, maybe just a cleanup is required. Overspray can sometimes be removed using just some lacquer thinner and a rag. I don't believe anyone makes those direct drive starter wires, so, you may have to custom make them yourself. Connections can be cleaned too. Sometimes contact cleaner will do it.....other times it needs a vinegar or lemon juice dunk or bead blasting. That's a lot cheaper than a new harness.