Maybe a little overkill, but will outlast the truck. Let's just make sure of something first. You may unsubscribe at any time. I agree to receive emails from Practical Machinist containing industry news and updates from Practical Machinist and its sponsors. Then when you've completed these halo headlight installation instructions, go out and enjoy your vehicle's new look! This wire is routed from the volt post on the rear battery to the wire connecting the headlamps. A cheap must-have for any electrical job.
Prop open the hood with the hood support rod.
How to Repair Headlight Wiring
The headlights have the standard 3 prong sockets. It will be required along with someone to operate the switches in the vehicle. Hook up the existing low beam headlight wires that go from your "cut point" out towards the headlights to the relay "normally open" output connection as shown in the wiring diagram. You may unsubscribe at any time. Bookmarks Bookmarks Digg del. For one or both of two basic reasons.