Originally Posted by Captain Blight

So I've got a Miller dual-bulb headlamp and single-bulb taillamp wired to a Sanyo BB dynamo on Chocolate Star. Works great, except when it doesn't. I can't seem to get it working and keep it working. I've replaced the wiring with brand-new wires; checked the grounds, which are all good; checked output, which is fine. I don't get it... is this an idiosyncracy of the type or is there something I'm missing here? Sometimes I find I've blown a bulb, sometimes not. What's the deal? The whole point of this exercise was to free myself from the Invasion of the AAAs.