Headlight Relay Installation The harness includes two high-quality Matsushita automotive grade 20-amp plug-in relays, each protected by a heavy plastic water resistant cover. It’s pre-wired with H4 ...

Offered by Reenmachine, the package consists of a pair of Hella high-performance halogen H4 headlights and a modern high-output, relay-driven wiring harness.

How to adjust Mini Cooper headlights? Current-generation Minis use H4 Halogen in their low beam lights, and you need to ensure you have the ignition switched off and to never, ever touch the globes ...