Xbox 360 controller LED mod Guide

This full guide will walk you through a classic Xbox 360 controller LED mod. We will focus on the guide button dome. To get the best results, you must follow the steps exactly. This is because there are many detailed calculations for the resistors.

First, you need to take apart your controller to get to the main board. If you are not sure how to do this, you can find a guide here: How to Open the Xbox 360 Controller.

Required Items for the Xbox 360 Mod

Step 1: Preparing the Controller Dome

To begin, the next key step is to get the LEDs into the dome. This is the hardest part of the mod. Once you finish this step, the rest is much easier.

To fit the LEDs, you must first remove some plastic from inside the dome. We did this with a Dremel, as shown below.

A Dremel rotary tool used for this Xbox 360 controller LED mod. — Dremel

After you cut it, the dome piece should look like this. Make sure to leave the center post. This post is needed for the button to work when you press it.

The plastic guide button dome after being cut for the Xbox 360 controller LED mod. — Dome Cut

Step 2: Assembling the Xbox 360 LED Cluster

Now it is time to wire the LEDs to fit in the dome. We found that using four 3mm LEDs will light it up well. It also gets rid of any bright 'hot spots'.

Before you start, look at this picture of the finished LED 'cluster'. Look closely at how small it is. This will help you make sure it fits in the dome when you are done.

Final LED configuration for the Xbox 360 controller LED mod. — LED Configuration

Building the LED Assembly

First, take two LEDs and lay them side-by-side. Then, solder their negative legs together as shown.

Two 3mm LEDs with their negative legs soldered together, a step in the Xbox 360 controller LED mod. — LED Formation

Next, bend the extra leg length up, just like in the picture.

The soldered negative legs of the LEDs are bent upwards. — LED Formation

Now, do this again with your other two LEDs. Then, join the ground points on each set. The whole part should look like the image below. You will need to trim the extra material.

Two pairs of LEDs joined at their ground points. — LED Formation

Then, connect all the positive legs on the outside of the cluster. Make sure the negative (-) and positive (+) parts do not touch. If they do, your LEDs will not work. It should now look like this:

The four LEDs with all positive legs soldered together around the outside of the cluster. — LED Configuration

Finally, you need to solder your positive (+) and negative (-) wires to the LEDs.

The finished LED cluster with positive and negative wires attached. — LEDs with Positive and Negative Wire Attached

Step 3: Wiring your Xbox 360 Controller LEDs

Next, you need to place the LEDs into the dome. It may not fit perfectly. If so, use a little force. But do not use too much pressure, or they might break. You have spent a lot of time to get here, so be careful. When it is in, it should look like this:

The finished LED cluster fitted inside the controller's guide button dome. — Dome with LEDs

Now, solder the LEDs to the right power and ground spots on the controller. You must use the right resistors. If you do not, your LEDs will burn out. The voltage we use is from 3.15-3.5v. So, use this number to find the right resistor value.

Step 4 (Optional): Adding an Automatic On/Off Switch to your Xbox 360 Controller LED Mod

If you want a switch so the lights don't waste battery when the controller is off, keep reading this section.

Understanding the Transistor Switch

For this step, we will use a transistor as a switch. A voltage in the controller will tell the transistor to turn on or off. This lets power flow to the LEDs only when the controller is on. This is the basic idea for the switch.

Below is a picture of the transistor we will use. Note the curved surface on the plastic part. It is facing you in the photo.

A standard NPN transistor for the Xbox 360 controller mod. — Transistor for LEDs

Soldering the Resistor and Transistor

The next action is to solder a 180ohm (1/4w) resistor to this point. We solder it from the back side, as shown below.

A 180ohm resistor soldered to the back of the Xbox 360 controller PCB. — Resistor

Close-up of the 180ohm resistor soldered in place on the controller board. — Resistor

Next, you need to place the transistor as shown in the photo. It is very important to see which way the curved surface is facing. Put the 'bottom' leg through the first of the three holes. This hole is our ground. Then, solder the middle leg to the other end of the resistor. Make sure your setup looks just like the one shown.

Transistor placed on the Xbox 360 controller board, ready for soldering in the LED mod. — Transistor

Close-up of the soldered transistor and resistor on the controller board. — Transistor

Connecting Power and Ground

Once that is done, you will need to solder power to your LEDs. Solder the right resistor to this point. Then, solder your positive wire from your LEDs to the other end of that resistor. In the end, it should look like this:

The power resistor for the LEDs soldered to the controller's main power source. — Resistor for Power

Finally, you just have to solder the negative wire from your LEDs to the last leg of the transistor. This is the leg that has not been used yet. This final link should look like the photo below.

The negative ground wire soldered to the transistor to complete the circuit. — Ground Wire

Step 5: Your Xbox 360 Controller LED Mod is Finished!

Congratulations! You have now completed the Xbox 360 controller LED mod. The final step is to test it out and enjoy watching it light up!