Fixing your output - how to polarise a generator
If your vintage tractor or classic car isn't charging the battery properly after a long winter, you probably need to learn how to polarise a generator before you start replacing expensive parts. It's one of those old-school mechanical tasks that sounds a bit intimidating—like you're about to perform some high-stakes science experiment—but in reality, it's a quick five-second fix that usually solves the problem. ...