Ready-made wiring harness and relay kit makes it easy to add relays to a motorcycle headlight. Adding a relay can improve headlight output, reduce load on switches and allow higher wattage bulbs to be ...

See Below: Unique new Comagination dual headlight modulator includes a solid-state relay! Give me some metal and a few tools and I’ll build anything. But when it comes to electricity, I’m dumbstruck.

Most Corvettes can benefit from a headlight upgrade. After all, the better your headlights the better you can see at night and the safer you are. For many people, a headlight upgrade means HID or some ...

Are your classic Corvette’s headlights so dim that fireflies try to mate with them? If you have driven late-model luxury cars at night, particularly European or Japanese models, you may have headlight ...

In our July '07 issue, we showed the installation of Reen-machine's high-performance halogen headlight system that fits all '65-'68 and '70-'73 Mustangs ("How to Upgrade Your Headlights," p. 38).