Here you will find scans of the original wiring diagrams for Datsun 510 from 1968 to 1981.
As with all older cars, you may find that your Datsun harness has deteriorated through the years. Chasing a short or a continuity issue in 40+ year old wiring is often a chore, On several of our classic Datsun restorations, we’ve had great luck replacing the entire harness with an updated version from EZ Wiring. This also allows you to use relays where needed, lessening the demand on ancient switches and contacts, and ensuring adequate current to all electrical accessories. Plus, the modern mini-blade fuses are far easier to replace than the old glass fuses!
Also, here’s a list of technical articles related to classic Datsuns that you might enjoy!
If you have questions about your classic Datsun, pop in on the Datsun Forum and chat with the friendly Datsun experts!