Here are a few tips for soldering electronics ... electrician got sick of that whole setup and decided to patent a "electric wire connecter." A few years later, Ideal Industries, a major ...

This enamel acts as an electrical insulator ... then push the tip of the magnet wire a small distance into the molten solder and hold it there for a few moments. The enamel will bubble away ...

which depends on a little prep work to end up only slightly more complex than soldering to copper. A typical way to make a reliable electrical connection to aluminum is to use a screw and a wire ...