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Install auxilliary lights

Tips on how to mount auxilliary lights

The most effective way to enhance your car's normal high beams is to mount auxilliary lights on your car, and for the "normal handy" it is no problem to do an auxilliary light installation yourself! Traditionally, auxiliary lights have been associated with large round lamps but today there are other types of auxiliary lights such as LED light bars that amplify the high beam and the mounting itself is marginally different. There are many different ways to mount an extra light, below we will give some tips on how to do it!

In addition to what will be mounted on the vehicle, you may need the following:

screwdriver
drills
wrenches
wire cutters
pliers
knife
tape
self drilling screw
screw, nut and washer
multimeter
cable lugs/sleeves
crimping hose

This guide on wiring extra lights is a step-by-step guide that we hope will make it a little easier for those who may have never done an extra light installation before.

Step 1. Remove the license plate

The license plate is usually mounted in a plate holder. Start by removing the plastic strip at the bottom of the holder — the one that often has printed advertising on it. Then remove the license plate followed by the plate holder, which is secured with a few mounting screws in the bumper.

Remove the license plate

Step 2. Install the auxiliary light bracket

To install the auxiliary lights, start by aligning the license plate holder with the auxiliary light bracket. If the holes do not match, you may need to drill new ones to achieve a perfect fit. Next, shape the auxiliary light bracket so it follows the contour of the bumper, as the bumper often has a slight curve even if it appears straight. This makes the installation easier and prevents tension on screws or rivets. To increase stability and make unauthorized removal more difficult, you can glue the bracket before securing it, which is especially useful for heavier LED auxiliary lights. Apply adhesive to the back of the bracket and mount it using self-tapping screws, rivets, or through-bolts with washers and nuts. Rivets are a good option because they expand on the backside of the bumper plastic, providing a stable and secure attachment. For larger lamps, such as the Avelux Summit, a combination of adhesive and through-bolts or rivets is recommended for maximum durability and safety.

Install the auxiliary light bracket

Step 3. Reinstall the license plate

Screw the plate holder and the license plate back into place.

Reinstall the license plate

Step 4. Mounting the auxiliary lights

Now screw the auxiliary lights onto the bracket using the included screws and nuts. You don’t need to tighten them fully yet, as you will likely need to fine-adjust them later. It is recommended to replace the included nut with a security nut, which is very easy to install but difficult to remove without the correct key. It is tightened with the supplied key and is hard to force off — too rounded to grip with pliers and with a hole pattern too deep to knock loose with a punch.

Mount the auxiliary lights to the bracket

Step 5. Connect the auxiliary lights

Our bestsellers today are our auxiliary light kits and LED light bar kits, and both come with a bracket, relay harness, and support brackets for the lights.

When it comes to LED light bars, except for a few rare exceptions, there is only one cable with a DT connector that needs to be connected to the relay harness — it is “plug and play.” LED auxiliary lights also come with “plug-and-play” connectors.

Click to view a larger image of the wiring diagram for auxiliary lights and the wiring diagram for LED light bars.

Connect auxiliary lights - wiring diagram Connect LED light bar - wiring diagram

Step 6. Connect the power

Remove the fuse that sits in the fuse holder on the positive cable, then connect the positive and negative cables to the corresponding terminals on the battery, or alternatively to a junction block/box. The ground cable can also be connected directly to the vehicle chassis. In some cases, the relay has its own ground cable — this must be grounded, otherwise the relay will not activate. Now you need to connect the auxiliary lights to the high beam so everything is controlled via the car’s high beam switch. Locate the positive cable that goes to the high beam bulb and connect the red trigger wire to it. Reinstall the fuse in the fuse holder and test to make sure everything is working.

On newer cars with xenon or LED headlights, it can be difficult to find an analog 12-volt signal for activation, and in those cases an XBB Dongle & PowerUnit is required.

Connect the power and install XBB

Step 7. Test drive and adjust the auxiliary lights

Brilliant!

The installation is now complete, and all that’s left is to take a drive and adjust the lights so you get the beam exactly where you want it.

Test drive and adjust the auxiliary lights

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