how to wire a relay for headlights

Thursday, August 4, 2022 Edit

Diagram vectra wiring vauxhall need fog lights relay exclusiv reg 2008. Without a relay LEDs do not work.

18 Motorcycle Headlight Diagram

Pin 87 - Sends power out of the headlight relay to the high beam dimmer switch Pin 86 - Receives power from the headlight switch Pin 85 - Goes to ground Pin 87a - If your relay has this pin it is not used.

. This video is a detailed walkthrough of the American Autowire headlight enhancement relay kit. The next step is to attach the wiring harness to your fog lights. Connect The Relays High Amperage Circuit.

Then wire the relay into the battery ground and fog lights. Our kit includes separate relays for the high and low beams as. If your fog lights do not have a pre-attached wire harness you can easily find one at your local auto parts store.

Connect terminal 87 of the high amperage circuit to the headlight. Without the light the light does not work. This is a simple process as most fog lights will come with a pre-attached wire harness.

This video shows to how to wire a headlight relay for a pair of Round or Rectangle sealed beam headlights with a floor mounted high beam dimmer switch. Fog diagram lights wiring beams relay wire. If you do wire them into the headlights make the headlight wire be the trigger on a relay.

Similarly connect a fused wire which comes from the fuse box to the high amperage circuits terminal 30 of the relay. Do I need a relay for LED lights. You dont want to drive the fog lights through your headlight wire.

Attach the Wiring Harness. The headlight relay wiring is as follows. Pin 30 - Receives power from the car battery with a fuse in the middle.

How To Wire Dual Headlights