1. J

    Automotive led headlight problem

    I have a set of led headlights for my truck that won’t power up when plugged in or directly wired to car/automotive battery, yet when I use a little 23a 12v battery they do power up. I’m confused!! Why does this happen? And why won’t they work in my truck?
  2. S

    Connecting Bullet Headlight to 12v battery and switch

    The title says it all. There a bit more to it, but essentially i would like to connect a motorcycle 12v bullet headlight to a rechargeable 12v battery with a switch. I Know nothing about electronics so if someone could point me in the right direction that would be awesome. I would also like...
  3. Nutcase1

    Car headlight projector for my son

    Hi I'm new to this site and yes I have very basic knowledge with electronics, I'm hoping someone here might be able to help me, I'm trying to modify my sons car by installing projector headlights but the problem I'm having is converting the lights from a dual filament (H4) to a single filament...