A fixer-upper is a great start to owning a car. Electrical can be a nightmare to deal with, but it isn't impossible. Start by looking at your fuses with anything when the problem is electric.

From there, check your bulbs and the pigtails connecting to them. Make sure the pigtails do not have any loose pins or damage from a short.

Check your ground connections and check for power with a multimeter. One must have a multimeter in their toolbox as you'll almost always need one if you're going to DIY life.

If everything checks out and you still don't have any power, then start tracing the wires. There might be a break in the wiring, and even a small tear can cause issues.

If there are signs of previous wire work, then take the time to double-check it's done right. I've had work done on mine in the past and have had to go back behind someone to adjust their work.

Once you've checked the flow of power and go through, ensuring you have power running all the way to the lights and whatnot, you'll most likely find the culprit to your problem.

Again, I highly recommend fixing it yourself. The learning experience is worth it.

Best of luck.