* Haynes Repair Manual or Chilton Repair Manual: These manuals are readily available online and in auto parts stores. They often include detailed wiring diagrams. Look for one specifically for a 1983 Chevrolet G30.
* Online Forums: Search online forums dedicated to Chevrolet vans or classic Chevy vehicles. Members often share information, and someone might have a scanned copy of a wiring diagram or a helpful resource. Try searching terms like "1983 Chevy G30 wiring diagram," "G30 van wiring schematic," etc. on forums like:
* ChevyTalk: A popular forum for Chevy enthusiasts.
* Classic Chevy forums: Search for forums dedicated to classic Chevy trucks or vans.
* eBay or Amazon: Sometimes, you can find original service manuals or reprinted wiring diagrams for sale on these sites.
* Local Auto Parts Store: While they might not have the diagram itself, a knowledgeable parts counter employee *might* be able to point you in the right direction or have access to a service manual on a computer system.
Important Note: Wiring diagrams can be very complex. If you're not comfortable working with vehicle electrical systems, it's best to consult a qualified mechanic. Improper wiring can lead to damage to your vehicle or even create a fire hazard.
