Remember Goldie? She broke down near Montreal and Honda Garage determined stator and Rectifier on this 1986 Aspy were done. That was a huge repair but worth it to complete remainder cars country trip. Pulling into Kelowna, complete electrical failure, everything shut down including engine. Battery has full charge. Help!
I'd start with the simple things - ignition switch (turn it on & off about 20 times, then see if it will fire up), kill switch (on & off, a bunch of times), check to see battery cable connections are tight & clean, etc. I suspect that the majority of such apparently catastrophic, and inexplicable, failures are due to simple issues that are easy to fix...once you find them.
Unless there's some underlying, creeping, electrical issue (which you'd probably already be aware of), the chances are that the problem is something very, very simple. The only money I'd spend at this point would be on a volt-ohmmeter for checking stuff. I have a little folding one in a case (old Radio Shack item) that always travels with me. Once you have one, the whole world of electrical questions opens up - until then, it's all guesswork. There are two "The Source" stores in Kelowna (I've only been to the Orchard Park mall one) that will have what you need. Or, there's Lordco, Princess Auto, etc.
Once you've got the meter, take a few measurements (at the battery, etc.) and post the results. Someone will, for sure, pinpoint the problem for you!
Remember Goldie? She broke down near Montreal and Honda Garage determined stator and Rectifier on this 1986 Aspy were done. That was a huge repair but worth it to complete remainder cars country trip. Pulling into Kelowna, complete electrical failure, everything shut down including engine. Battery has full charge. Help! 
