How to Install Interior LED Lights to Fuse Box?

Interior LED lights can directly be connected to the fuse box. Nowadays, LED strips can get powered from the car’s USB port or the lighter socket. However, hardwiring them to the fuse box means you have a permanent installation. It’s also better for wire management.

Installing interior LEDs to the fuse box is certainly more complex than powering them from the dashboard. Nonetheless, anyone can still do it by themselves without professional help.

Here you’ll find a detailed step-by-step guide on fuse box interior LED installation. Let’s get started:

Things You Will Need

Get the following materials ready for the installation:

  • LED strips
  • 10 amp inline fuse
  • Wire strippers
  • Zip ties (optional)
  • 16 gauge wires (5 feet)
  • Multimeter

Having a soldering iron kit with some solder can make this process easier. However, you can still proceed without them.

Installing Interior LED Lights

Step 1: Locating the Interior Fuse Box

First, you have to find the fuse box of your car. For most vehicles, it’s usually on the lower left side of the dashboard. So, search around the dashboard of your vehicle. Then, google your car’s model to find where it can be located.

Pick a Setting for the Lights

You can turn the lights on several ways. They are:

  • You can turn the on with the headlights.
  • You can turn the LEDs on when the car starts up.

Fusing the LEDs with the Headlights

If you approach this method, the LEDs of your interior will turn on each time you use the headlights. Therefore, you have to find the correct fuse. In the fuse box, detect any of the fuses labeled by the following terms:

  • Lights
  • Interior lamps
  • Gauges
  • Dash

Fusing the LEDs with the Car’s Ignition

This setting will turn on the LEDs whenever the car is on. Find the fuse connected to the ignition or the radio if you want to go along with this method.

When you find the proper fuse, you need to connect the 16 gauge wires with that specific fuse. Take your multimeter and connect the red probe of it to the desired fuse and the black one to the car’s grounding.

Turn on the vehicle’s key and link the multimeter’s red probe to both sides of the fuse. Whichever side does not have any voltage is where you need to splice the wire. You will find a wire coming out of the back of the fuse where you can mesh your wiring.

Interior LED Lights

Grounding

Locate the firewall of the car under the dash. You will find bolts. Unscrew one of the bolts to connect another wire. We recommend using a connector. Tighten the bolt back when you are done.

Attaching the Inline Fuse

Attach the inline fuse close to the fusebox’s connector.

Connect the LEDs with the Wires

Connect both the fusebox and the grounding wires to an LED strip. Next, connect as many more strips as you want to this LED. When you are done with this process, finish by connecting the other strip to the wires on the other side under the dash.

Finishing Up

Now test if the LEDs are working. If you connected them to the engine or the headlights, they should turn on whenever you power either of those. Next, get the strips mounted to your desired location using tapes or glue. After that, tidy up the wires using the zip ties or hiding them around the mat.

Final Note

Make sure you get the suitable LEDs for this process. If it seems too hard for you, get the plug-and-play LED strips that can be easily powered by a USB port or a lighter socket. Make sure that installing these lights is legal in your state. Some places do not allow the usage of aftermarket lights.

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