Jeep Wrangler JK: How to Wire Multiple Switches

Mods can add up quickly, but you’ll still want to keep control of each accessory individually. This is where building a dedicated switch block can come in handy.By Jared Hammond – November 30, 2015

This article applies to the Jeep Wrangler JK (2007-present).

It’s no secret that Jeep owners love to mod their Jeeps but don’t want to keep tapping into the same circuits. So why not create new circuits and switches especially made for accessories like extra lighting? It’ll allow you to keep modding your Jeep while maintaining a factory look and feel.

Materials Needed

  • Illuminated switches with switch block panel
  • Weather proof fuse and relay block
  • Weather proof circuit breaker
  • 12 gauge and 8 gauge wire
  • Female wire terminals
  • Ring wire terminals
  • Fuses and 5 pin relays
  • Wire cutter
  • Wire stripper
  • Wire crimper
  • Heat shrink tubing
  • Wire loom
  • Zip ties
  • Drill
  • Rotary tool

You can purchase aftermarket fuse box and switch combinations, such as the SPOD, which help to simplify much of the work.

Step 1 – Plan out your build

Figure out what you plan on adding to your Jeep and how many amps that will draw. Add a little extra to your calculations to plan for any future accessories. Purchase your fuses and relays according to what you need for each modification.

Plan out where you want to mount and install your accessory fuse block. Your fuse block should have one relay installed for your switches and an additional relay for every other accessory you plan on using. Pay attention to the pin numbers on your relays.

  • Pin 85 is the pin where your switches will connect.
  • Pin 86 will be for your ground wire.
  • Pin 30 will always connect to a fuse, then pin 87 will always go to whatever you’re powering.
  • If you keep this in mind, the wiring step will be less confusing.

Figure 1. Pins on the relay. Switches can go on either pin 85 or 86. Just try to stay consistent.

Your fuse box will be connected to the battery. For the switches, a single 5 amp fuse will suffice. For your accessory fuses, it will depend on the kind of amp draw you’ll have from the accessory, but you should not need higher than a 30 amp fuse and a 50 amp relay. Write out a diagram of your planned circuit to follow as you work on it.

Figure 2. Here is a sample circuit diagram for what we’re trying to do.

Step 2 – Install fuse box and switches

If you have everything planned out, the actual installation should be simple. Mount your fuse box somewhere in the engine compartment. Fasten it down with bolts or screws. Make sure that it’s secure enough that it won’t move.

Figure 3. Fuse and relay box plus parts needed.

For the switches, you’ll need to find a space that can hold all of the switches you need. Some good places for installing a switch block are on the center console below the HVAC controls, above the rear-view mirror, or even on the driver’s side A-pillar. Once you have a spot picked, out drill a hole in the paneling large enough to fit your switch block. Clean out the opening with a rotary tool, then fit your switches to the opening.

Figure 4. Switch fitment on bottom of center console.

Step 3 – Wiring

This is the most confusing step, but if you can remember your circuit plan and remember what each pin on the relays are for, then it should be simple to figure out. Start by wiring the switches. Each switch should have three pins: two positive and one ground. You can connect all your switches to a single positive input wire which will connect to pin 87 on your switch relay. The switch relay’s pin 86 will connect to a 12-volt power source that is only on when the car is on. The other two pins on the relay will connect to a fuse and a ground terminal.

Figure 5. Wiring the switches.

Pro Tip

If you’re not sure where to find a 12-volt source for the switch relay, try using a test light to see which circuits get power when the key is turned in the ignition.

Each switch will have a positive output connecting to pin 86 of a relay. The ground wires will need to be crimped to a ring terminal which will attach to the Jeep’s chassis. Once your accessories have all been wired and all the ground wires are firmly connected to the chassis, you’re ready to add power from the battery. Connect your 8-gauge wire to a circuit breaker. Mount the circuit breaker somewhere in your engine compartment. Then, connect the circuit breaker to the battery with another ring terminal.

Figure 6. Wiring the fuse and relay box.

Related Discussions

Jeep Wrangler JK: How to Replace Parking Light With LEDs

LED lighting sure looks nice. They also are not that hard to install. Here is how you do it.By Neftali Medina – November 25, 2015
Contributors: JK-forum, Xcit, TeraFlexSuspensions

This article applies to the Jeep Wrangler JK (2007-Present).

Some consider the standard lights on a Jeep JK to be rather dim. Instead of changing the lenses, you can upgrade the bulb as a whole. LED bulbs offer a brighter alternative to stock incandescent lights. Not only are they brighter, but they also last a lot longer. Installing them is a fairly straightforward process, with the exception of wiring in new resistors. So anyone with an hour and basic set of tools can complete the installation. Use these following instructions to do just that.

Materials Needed

  • Flat head screwdriver
  • Load resistors
  • Wire splice clip

Step 1 – Remove the grille covering

As with any installation, the more space you have to work in, the easier a task is. The standard parking light housings are mounted to the inside of the front grille, which is held in place by several clips. Use a flat head screwdriver to gently push up and remove each clip. Then grab the grille and pull it outwards, but do not pull it completely off because the parking light will still be connected (refer to Figure 1).

Figure 1. Remove the grille cover.

Step 2 – Remove the old bulb and housing

With the grille cover off, you’ll be able to see the locking tabs that hold the parking light housing in place.

  • Push each tab in, and release the tabs.
  • Locate the red clip, push it up and release the stock light bulbs.
  • Then push the parking light assembly out.
Figure 2. Housing tabs.

Figure 3. Disconnect the stock bulbs.

Step 3 – Mount the new LED housing

Simply take the new housing and push it into the grille cover. They will snap right in place.

Figure 4. Push the LED housing into place.

Step 4 – Wire in the LED bulbs

Here is where many people make mistakes and end up having bulbs that intermediately turn on and off. Incandescent bulbs do not need electricity to flow in a certain direction, while LEDs do. LEDs requires reverse polarity, which means you will need to install them backwards (the white wire connects to the black, and the black to the white). Also, since the LED bulbs use less power, you will need to connect a load resistor to each bulb harness. To connect the load resistor, locate the positive as well as negative wires on the bulb and slice it in place.

Figure 5. A common sized load resistor.

Figure 6. Splice the load resistor in place.

Step 5 – Install the grille

Test the lights and once everything is working, mount the grille assembly back on.

Figure 7. Finished LED lights.

Related Discussions

Jeep Wrangler JK: How to Install LED Dash Lights That Dim

Add LED lighting to give your vehicle’s interior a brighter feel.By Piyush Kayastha – November 25, 2015

This article applies to the Jeep Wrangler JK (2007-Present).

More light is always a useful feature for any vehicle to have. There are several different purposes and areas on vehicles where LEDs can be installed. Often, direct plug and play applications for many interior bulbs. Besides the various types of bulbs available today, the aftermarket automotive interior lighting options have given way for “LED strips.” They are often called “ribbon” lights because like ribbons, they are flexible and long (varying length). The ribbon is a series of electrical diodes which emit light.

Materials Needed

  • Flat tip screwdriver
  • Phillips screwdriver
  • Wire splicer
  • Electrical tape
  • Wire connectors
  • Clear double-sided tape
  • Test light, multimeter or probe

Step 1 – Remove gear shift boot

The shift boot will be in the way of accessing the wiring and the area in which you intend to install the LED strip.

  • Using the Phillips screwdriver, remove the bolts around the boot.
  • Using the flat tip screwdriver, pry around the boot.
  • Lift up and remove the shift boot.

Figure 1. Shifter boot and trim coming off.

Step 2 – Remove dash trim

In order to access the harness you will use to wire in the LED strips, you’ll need to remove the trim to expose the harness.

  • Use a flat tip screwdriver to pry the plastic piece gently.
Figure 2. Pop off lower center stack trim.

Figure 3. Remove screws holding trim panel in place.

Step 3 – Locate harness

Now that the dash trim is removed, there is wiring exposed that you can tap into for power and ground sources.

  • Locate the orange/grey wire and black power wire within the HVAC harness.
Figure 4. Orange wire.

Figure 5. Black wire.

Step 4 – Mount and wire LED strip

Now that you have located the wiring from the HVAC harness, we can splice into it to connect the new LED strip.

  • Splice orange/grey wire to connection on LED strip.
  • Splice black power wire to connection on LED strip.
  • Use test light, multimeter or probe to check continuity.
  • Wrap connections in electrical tape.
  • Mount the LED strip into the crevice between dash trim and HVAC controls using double-sided clear tape.
Figure 6. Routing wiring behind center stack.

Figure 7. LED strip mounted.

Step 5 – Test your connections

Now that everything is wired up and mounted, you’ll want to test it all out.

  • Turn the key to accessory mode.
  • Turn the headlight switch on. The LED strip will light up with the rest of the interior lights.
  • Use the dimmer switch on your headlight stalk to adjust brightness.
  • If everything works appropriately, reinstall dash trim and shift boot.
Figure 8. Success!

Figure 9. Night view.

Related Discussion

Jeep Wrangler JK: How to Get the Side Marker Light to Work as a Turn Signal

Make your friends envious of you and your Jeep Wrangler with this amazing mod. Just don’t tell them how simple it was.By Jared Hammond – November 25, 2015

This article applies to the Jeep Wrangler JK (2007-Present).

The Jeep Wrangler JK has those side marker lights, which are pretty cool. The only problem is they don’t really do much. But what if they blinked? What if you could turn those boring old side marker lights into turn signal lights? That’s what this article is all about. This mod is one of the cheapest and easiest mods you can do. Read the instructions below to learn what’s up.

Materials Needed

  • Quick splice connector
  • Wire cutter
  • Wire crimper or pliers

Step 1 – Cut the black side marker light wire

If you look under your Jeep wrangler, you should be able to see the wires for both the turn signal lights and the side marker lights. Both sets of wires are encased in a wiring loom, but they come close enough that you shouldn’t even need any extra wiring for this project. The wires you’ll need to connect are the black wire from the side marker light and the white/grey wire at the bottom of the turn signal light wire harness. Bend the wires so that they are close together. You may need to unwrap part of the black wire from the wire loom. Measure out enough of the black wire that it will reach the white/grey wire, and then cut it.

Figure 1. Cut the black wire going to the marker light.

Step 2 – Crimp the wires together

Take the end of your black wire and insert it to a quick splice crimp connector. Insert part of the white/grey wire to the same connector. To crimp the wires together, take either a crimping tool or a pair of pliers and squeeze the metal part of the connector until the wires are spliced together. Give it a small tug to ensure the wires won’t come loose. Then close the tab on the connector.

Figure 2. Crimp the black wire with the white/grey wire.

Go inside the Jeep and turn it on. Put on the turn signal lights. What you should see happen is that the fender light and the turn signal light are alternating flashes, and when you turn off the turn signal, the side marker light goes back to being on all the time.

Figure 3. Marker light will now flash, alternating with the turn signal light.

Pro Tip

Make sure that you only crimp the black wire with the white wire and with the grey line that’s on the bottom of the turn signal light harness.

Featured Video: Wrangler JK Side Marker Light Blinker Mod

Related Discussion

Jeep Wrangler JK: How to Install Halo Headlight Ring

A pair of Halo LED rings is sure to get your Wrangler noticed. This article will show you how to install them.By Jared Hammond – November 25, 2015

This article applies to the Jeep Wrangler (2007-Present).

Halo LEDs are accessory lights you can put around your headlights. They come in all kinds of colors and can stand out even in daylight. Most Halo LEDs come in a kit that is simple and straightforward to install. Keep reading if you want to learn more.

Materials Needed

  • Halo LED ring kit
  • Oven
  • Gloves
  • Phillips screwdriver
  • T15 Torx screwdriver
  • Flat head screwdriver
  • Splice connectors
  • Silicone adhesive

Step 1 – Remove headlights

Open the hood and start removing the grille by prying off the plastic tabs along the upper edge of the grille. Pull out the grille from the corners. Unplug the turn signal lights and set the grille aside. Remove the four Torx screws around each headlight. Pull the headlight out and unplug the bulb from the headlight.

Figure 1. Remove the plastic tabs.

Figure 2. Remove headlights.

Step 2 – Remove headlight lens

Insert the headlights into an oven preheated to 225 degrees Fahrenheit. Let them sit in the oven for ten minutes to let the sealant warm. As soon as you remove the headlights from the oven, start prying off the headlight lens with a flat tool. Sometimes the seal will be difficult to pry off. If the seal cools, just put it back in the oven for a few minutes to warm up again.

Figure 3. Remove the headlight lens.


Don’t leave the headlights in the oven for too long or they might start warping.

Step 3 – Install Halo LEDs

The Halo LEDs should come packaged with adhesive on the back of the lights and wires. There is a small opening with a foam seal on the headlights. Puncture this and route the Halo LED wires through the opening. Then install the Halo LEDs to your headlights using the adhesive on the back to stick it to the inner edge of the headlight.

Figure 4. Install Halo LED.

Step 4 – Reseal headlight lens

Scrape off any of the remaining sealant from the headlight lens and headlight. Then apply a fresh dab of silicone sealant around the headlight lens. Clamp the headlight lens to the headlight. Make sure that the lens won’t slip as the sealant cures. It will take 24 hours for the lens to properly cure.

Figure 5. Reseal headlights.

Step 5 – Install headlights

Double check the headlights to make sure that the lens seal has properly cured. Then install the headlights to the Wrangler. TIghten down the four Torx screws. Take your Halo LED wires and find the parking light wires. Using splice connectors, connect the positive LED wire to the positive parking light wire and connect the ground LED wire to the ground parking light wire. Reinstall the grille, reconnect the turn signal lights and the plastic tabs. Then start the Jeep and turn on the parking lights. Your new Halo LED lights should be on with the parking lights.

Figure 6. Connect Halo LED wires to parking light wires.

Figure 7. Enjoy your new Halo LED lights.

Featured Video: Wrangler JK Oracle Headlight Halo Ring Installation

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Jeep Wrangler JK: How to Install Rigid Dually Using Fog Light Bracket

To cut through the fog in your Jeep, you need the bright clear light that only an LED can deliver. Learn how to replace your factory fog lights with a pair of Rigid Dually LEDs.By Ben Mannino – November 25, 2015
Contributors: MatthewD5

This article applies to the Jeep Wrangler JK (2007-Present).

There are plenty of mods for a Jeep Wrangler JK on the market, but few give you a better bang for your buck than replacing your factory fog lights with LEDs. The Rigid Dually fog lights consume less power and product a much brighter light than the factory fog lights. With the Jeep mounting kit, you can install them into the same fog light holes in the bumper with the included brackets. So what are you waiting for? Let’s get started.

Materials Needed

  • Small flat head screwdriver
  • Phillips head screwdriver
  • Wire cutters/strippers
  • Shrink tubing

Step 1 – Remove the grille

Use a small flat head screwdriver to pry off the five black plastic retaining clips along the top of the grille as shown in Figure 1. Carefully pull off the grille, paying close attention to the signal light connections on the bottom on both sides. Remove the connectors by turning and removing the lights to free the grille.

Figure 1. Remove clips to take off the grille.

Step 2 – Remove the factory fog lights

First, remove the fog light bulbs from the fixtures and set them aside. Then remove the four screws holding each fog light in place and remove them from the bumper. Set the screws aside as you will need them to mount the Dually LEDs shortly. The rear view of the factory fog lights is shown in Figure 2.

Figure 2. Factory fog lights behind the bumper.

Step 3 – Attach the BDF bracket to the Dually fog lights

Install the new fog lights into the BDF (Black Diamond Fabrication) bracket with the slots facing toward the back of the LEDs (see Figure 3).

Figure 3. Mount bracket as shown.

Step 4 – Install the new fog lights

Mount each fog light with the brackets in the hole where the factory lights were removed (shown in Figure 4). Remember to use the same factory screws that you removed in Step 2.

Figure 4. How the bracket mounts from the rear view of the bumper.

Step 5 – Wire the lights

The Dually lights do not have the same factory connectors as the originals, so you will need to do some splicing.

Carefully cut off the factory connector clip and strip about half an inch of wire off the end of the two harness wires: one is black and one is white with a stripe.

Next, cut off the connector on the Dually light and strip the ends of the black and red wires. Slide your shrink tubing over each one of the wires so that you can slide them over and seal the connections you are about to make (see Figure 5).

Next, twist tie the black wires from the Dually and the factory harness. Then do the same for the red Dually wire and the white striped factory wire. Now would be a good time to fire up the lights and make sure that all the connections are working properly.

Once everything is working properly, it would be a good idea to add a drop of solder to get a good solid electrical connection. Finally, slide the shrink tubing over the bare wire connections and heat them up to finish the job.

Figure 5. Wire connections.

Step 6 – Reinstall the grille

Reconnect the signal lights along the bottom of the grille and fasten all of the top connectors to secure the grille back in place.

Figure 6. Installed and ready to go!

Featured Video: Rigid Industries Mounting System

Related Discussion and Video

Jeep Wrangler JK: Headlight Bulb Modification

Your Jeep Wrangler JK comes with basic stock halogen headlight bulbs. Read on to learn about the upgrade options available on the market today.By Ben Mannino – November 25, 2015

This article applies to the Jeep Wrangler JK (2007-Present).

Halogen, Xenon and LED. You’ve heard the names before, and maybe you know a little bit about one or more of these headlight bulb options for your Jeep Wrangler JK. The fact is that the stock OEM halogen bulbs provide very basic illumination of the roadway. Since they are the most common and least expensive bulb option, no one expects them to light up the night. Xenon and LED headlights offer a much brighter and longer lasting light, but they come at a price. Let’s take a closer look at all of these options to see what bulbs make the most sense for your headlight upgrade.

All About the Bulbs

In the beginning, there was the halogen bulb and it was good. It’s the basic bulb standard on most automobiles since the dawn of the electric headlight. It has a filament in a capsule filled with halogen gas, and it produces a bright, white light. The problem with them is they are not very energy efficient, as a lot of the energy is lost to heat. The Xenon bulbs used in High Intensity Discharge (HID) headlights replace the halogen gas with Xenon, an un-reactive gas that is colorless and odorless. While there are some bulbs that make use of the Xenon gas with a filament, the HID bulbs generate light in a sealed system with an electrical charge that starts an arc between two electrode

Figure 1. There are many options for upgrading the bulbs of your Jeep Wrangler.

#1 The Halogen Bulb

DIY Cost – $25-$50

Professional Cost – $100

Skill Level – Easy; the replacement is a simple twist off and on.

The halogen bulbs are the industry standard for a number of reasons, and the main one being price. None of the other options can come close to the amount of light produced per dollar than the halogen bulbs. It functions by heating a tungsten filament with an electrical current. The halogen gas extends the life of the filament by replenishing the tungsten throughout the on/off cycles of its lifespan. A typical halogen bulb has a lifetime of about 1,000 hours under normal conditions.

Much of the energy delivered to the bulb is lost to heat. Touching the bulb can reduce its lifespan, as chemicals on the skin will reduce the bulb’s ability to resist this high heat. While it does produce a bright light, it cannot compete with the levels produced by the Xenon and LED bulbs. However, there are many options for halogen bulbs at a variety of price points and sizes that will make this option tough to beat for the average driver. Recommended for drivers who want a low cost bulb.

#2 Xenon Bulbs (HID)

DIY Cost – $150 for bulbs and $150-$200 for HID conversion kits

Professional Cost – $400-$500

Skill Level – Moderate; it requires bulb replacement and wiring kit.

Xenon bulbs take the place of the halogen gas in the standard bulb. While there are incandescent bulbs options that simply use Xenon in place of other halogen gases, the standard for Xenon bulbs is for use in High Intensity Discharge (HID) headlights. There is no filament in the HID bulb—there is simply an electrical arc that travels between two electrodes that produces a bright white light with a slight blue tint produced by the Xenon gas, which is three times more powerful than that of a halogen bulb.

While halogen lights only need 12V to operate, the HID lights need 20,000 volts to ignite and 85 volts to keep running. For this reason, a ballast (power transformer) is required to transform and regulate the voltage and keep it operational. Without the ballast, there would be no light. Replacing a halogen bulb with a Xenon would therefore require an HID conversion kit. That’s about $150 for the bulbs and another $150 or more for the conversion kit.

Keep in mind that the factory housing may not be suitable for the HID bulb, as the more intense light generally requires careful positioning to get the light trajectory right. A housing upgrade may also be required to meet DOT safety standards. While you may love the intense white and blue light, the drivers on the other side of the road could be seeing spots for quite some time after passing you!

HID bulbs can last up to 2,500 hours, making them a long lasting replacement option. HID headlights are found standard on most luxury brands and increasing in popularity. Recommended for drivers who want a brighter light than halogen bulbs and with a longer lifespan.

#3 LED Bulbs

DIY Cost – $150-$200

Professional Cost – $300-$400

Skill Level – Easy; it is a standard bulb replacement.

The LED headlights are becoming more and more popular these days. For one, they look unbelievably cool. Since they can create a very bright light in a minimal amount of space, manufacturers can get really creative with their designs. You have no doubt seen them on cars like the Audi A8, and they are an expensive upgrade option on many of the newer luxury models.

What’s not to like? They use minimal power and produce a very bright light, illuminating a wide area in front of the vehicle. LED bulb replacements are a much more reasonable upgrade option than replacing the headlights, which could run $400 to $700, depending on the design. The main problem with LED lights is that they get very hot at the base, and this requires external cooling. Replacement bulbs generally come equipped with a fan at the base to keep them cool.

The LED bulbs have long lifespans, and prices will continue to drop. You can be sure that LED lights will become as popular in cars as they are in homes, and their benefits seem to outshine their drawbacks by an ever increasing margin. Recommended for drivers who want an upgrade with a long lifespan and more illumination on the road.

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Jeep Wrangler JK: How to Install LED Turn Signal

LED turn signals are a great little modification. This article will show you the simple steps to install LED turn signal lights.By Jared Hammond – November 25, 2015

This article applies to the Jeep Wrangler JK (2007-Present).

LED lights look great as headlights, but what about as turn signal lights? It’s important for other driver’s to easily tell which direction you’re going in, so installing LEDs makes your turn signals look crisper and cleaner. Installing LED turn signal lights is fairly easy, but it does require an extra step.

Materials Needed

  • 3157 LED bulbs
  • 50W 6ohm load resistors (one for each bulb)
  • Splice tap connectors
  • Small self-tapping screws or zip ties

You can purchase LED load resistor kits that come with everything you need except for the bulb.

Step 1 – Remove old turn signal bulb

The turn signal bulbs are easy to access. Just go underneath the grille and front bumper; you will see the wires and socket for the turn signal bulbs. Twist the socket to remove the bulb from the light housing. Go ahead and pull out the old bulb for now.

Figure 1. Turn signal light socket.

Step 2 – Connect load resistor

If you were to just install the LED bulb outright it would flash rapidly whenever you turned on the turn signal. This is because the LED uses a much lower load than a standard bulb, which makes the computer think that the bulb is out. In order to get it to flash like normal, you’ll need to trick the computer by increasing the load.

Figure 2. Load resistor kit.

There should be three wires connected to the light socket. The white wire with the green stripe is your parking light wire, the white wire with a black stripe is the turn signal wire, and the black wire is the ground wire. Take your resistor and use the splice tap connectors to connect the resistor to the turn signal wire and the ground wire. To splice the wires, you slide both wires into the connector and press down on the metal part to crimp the wires together.


Do not connect the resistor to the green and white parking light wire. If it’s connected to the parking light wire, it will quickly heat up and potentially damage the surrounding wires.

Step 3 – Mount the load resistor

You’ll want to keep the load resistor separate from your other wires because it heats up whenever the turning signals come on. There should be a couple holes on it that you can use to screw it to the chassis of your Jeep, or you can leave it suspended. You can use zip ties on the wires to keep it from hanging too low.

Figure 3. Load resistor mounted and connected.

Step 4 – Insert the LED bulb

To finish things off, just insert your LED bulb to the socket like you would a standard bulb. Insert the bulb and socket to the light housing, then test the lights. Sometimes the LED won’t come on because it was inserted incorrectly. Just take the bulb out and turn it around if this happens.

Figure 4. Enjoy your new turn signal lights.

Related Discussions

Jeep Wrangler JK: The Ultimate HID Kit Guide

The HID kit intensifies the road in front of your Jeep Wrangler. If you want to see far ahead, especially off-road, this guide will help you install it and choose the right brand for you.By Bassem Girgis – November 25, 2015
Contributors: GregD

This article applies to the Jeep Wrangler JK (2007-Present).

The HID headlights stand for high-intensity discharge. It’s a wise choice to brighten up the road ahead of you while driving, but if you do any type of off-roading at night, this should be a must. The last thing you want is to fall in a ditch or get stuck in the middle of the night. The HID lights increase the light your headlight produces tremendously. These bulbs are designed to last 2,000 to 3,000 hours; that’s a lot more than halogen lights, all while using less energy. If you want to take your Jeep Wrangler to the next level, HID headlights are the way to do it. Read this guide to learn how to install the kits yourself, but continue reading to learn all about the different brands and what’s right for you and your budget.

Table of Contents

How to Install HID Headlights

Materials Needed

  • 10mm wrench
  • Flat head scewdriver
  • Torx screwdriver
  • Socket set
  • Industrial strength Velcro
  • HID kit

Step 1 – Disconnect battery and remove grille

The first thing you always want to do when doing any electrical work is to disconnect the battery. Using your 10mm wrench, disconnect the negative (black) battery terminal, then wrap it in a towel so it doesn’t touch any metal while you’re working.

Remove the grille. It’s held in place by six clips, stick your flat head screwdriver under it and pry it up, then pull it out completely. Tilt the grille back and reach from the side to disconnect the turn signals connected to it. Turn the turn signal’s electrical harness down to disconnect, then pull it back and out. Remove the grille.

Figure 1. Disconnect six clips on top of grille.

Figure 2. Disconnect turn signal from inside of grille.

Step 2 – Remove horn, air box, and move power steering reservoir

The horn is held in place by one Torx screw on the front of the engine, on the driver’s side.

Remove the air box. Loosen the clamp on the air intake hose going into the air box, unclip the clips on the air box cover, remove the cover, remove the filter, and finally remove the air box out. You will need to wiggle it a bit so it comes off of its three rubber grommets.

Use your 10mm socket to disconnect the power steering bolt, and then place it on the passenger’s side of the engine compartment; don’t disconnect the hoses.

Figure 3. Remove horn.

Figure 4. Air box removed.

  • Figure 5. Remove power steering reservoir, but keep the hoses attached.

Step 3 – Replace headlight bulb

Remove the stock, halogen bulbs by turning them counterclockwise, then pull them straight out. Install the new HID ones by turning them clockwise until they lock in place.

Figure 6. Swap the bulbs.

Step 4 – Install the ballast

Install the ballast underneath the headlights on the front of the Jeep. You can use heavy duty double tape or industrial strength Velcro to keep it in place.

Figure 7. Mount the ballasts on both sides, under both headlight.

Step 5 – Route the wires

Install the relay control module anywhere you want; a common place is between the passenger’s side front fender and the body. Route the wires into the engine compartment.

Route the red wire with the ring connector to the positive battery terminal on the battery. You can run it along the fender next to the factory wiring harness.

The passenger’s side ground wire can be connected to an existing body ground. The passenger’s side ballast’s connector will run to the passenger’s side ballast.

The rest of the wiring will go to the driver’s side headlight. You can run it along the factory wiring across the radiator.

  • Connect the ballasts connectors to each of their ballasts.
  • The ground wires to the body grounds on both sides.
  • The high/low beam connectors to both headlights.
  • Connect the red cable to the positive battery terminal.

Figure 8. Ground cable.

Figure 9. Wires running along radiator.

  • Figure 10. Relay module under fender.

Step 6 – Re-install parts

Installation is the reverse of removal.

  • Install the horn.
  • Install the power steering reservoir.
  • Reinstall the air box, air filter, and attach the air intake hose.
  • Reinstall grille and turn signal.

HID Kit Review

HID headlight kits come in a variety of power, prices and warranties. If you truly want to take your Jeep Wrangler to the next level, an HID headlight kit will do just that. Whether you’re on the freeway or off the road, these kits will make night driving a lot safer and less stressful. These kits tend to live much longer than all halogen bulbs, while producing a lot more light, all while using less energy. The upgrade is a no-brainer; however, choosing the right one can be difficult, only because there are a lot to choose from. This guide will shine a light at the most popular brands, so you can pick what’s best for your budget, your Jeep Wrangler and your needs.

Pro ZHella OptiluxDelta
Kit IncludesEverythingEverythingEverything
Warranty3 Years1 Year1 Year bulb/5 Year Material

Best Quality: Delta

Best Value: Pro Z

Pro Z

Price – $169-239

Wattage – 35W

Kit Includes – Everything

Warranty – 3 Years

The Pro Z kit has a reliable 35W ballasts that is weatherproof. It has been known to be a bit time consuming when installing, but the results are well worth the time. Some enthusiasts claim that the Pro Z low beam is stronger than their stock high beam, so one can only imagine how powerful the Pro Z high beam is. This kit comes backed with a three year warranty, and even though this doesn’t seem like much, it is better than most of its competitors. The kit comes equipped with everything you need to easily convert the old setup to the new, powerful HID. This kit has been known to be extremely durable, so if you use your Wrangler to its full potential and intended use, this kit will take the journey with you without issues. Recommended if you’re looking for a great brand with good warranty.

Hella Optilux

Price – $134

Wattage – 35W

Kit Includes – Everything

Warranty – 1 Year

This light weight kit is designed to sneakingly install to your Wrangler, and publicly shine the whole road in front of it. This kit comes backed with a one year warranty. It can be sold as a single lamp or a whole kit, which includes the wiring harness you need for the swap, the adjustable mounting bracket, clear protective shield, and all the mounting instructions you need to get the job done. A lot of customers complained that the adjustable brackets don’t work well, since one click down makes it too low, so it’s not a proper selling point. Other customers claimed this brand is very bright, but it doesn’t last as long as the company claims; hence, the one year warranty. Many Jeep owners love the beam pattern on this kit, claiming that it adds a good amount of brightness over the stock, while providing a nice pattern that lights up the road. If you want to invest in a kit that would last a long time, this might not be for you; however, if you want a great addition to your lighting for a few years without spending too much money, this could be the one. Recommended if you’re looking for a decent kit without spending too much money.


Price – $290-450

Wattage – 35W

Kit Includes – Everything

Warranty – 1 Year Bulb/5 Years Material

When it comes to easy installation, this kit takes the lead. It comes with everything you need to swap the factory halogen with the new HID kit. This product comes with a one year warranty on the bulb, but it also has a five year warranty on the rest of the material and wiring; so if you take your Jeep off-roading and expose it to hard conditions, this warranty might come in handy. Even though this kit could get quite pricey, it makes up for it with quality. Delta takes pride in their materials and parts. The kit comes equipped with everything you need to install it, in addition to rubber boots and protective covers for the parts. There is one problem, however, Delta’s website states that these kits are not DOT approved, which makes this kit less of a competitor to the law obeying citizens. The reason some HID kits aren’t DOT approved is because they are too bright for street use, so with that in mind, if you live somewhere in the middle of no where or if you have the luxury to use your Wrangler for off-roading more than street use, this kit will light up your path and everybody’s paths around you. Read on your state laws regarding HID kits; if you can legally install this kit, it’s highly recommended. Recommended if you’re looking for a quality HID kit.

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