How To Wire 21 Tacoma Fog Light

By | April 7, 2023

How to Wire 21 Tacoma Fog Lights

The 2021 Tacoma comes standard with fog lights, but they can be easily upgraded with a set of aftermarket lights. If you're looking to add a more aggressive look to your Tacoma or improve your visibility in low-light conditions, adding a set of fog lights is a great option. Wiring fog lights to your Tacoma is a relatively simple process, but it's important to follow the instructions carefully to avoid making any mistakes. Here's a step-by-step guide on how to wire fog lights to your 2021 Tacoma: 1.

Gather your materials.

You will need the following materials to wire fog lights to your Tacoma: * A set of aftermarket fog lights * A wiring harness for your fog lights * A 12-volt relay * A fuse holder * A 15-amp fuse * A set of wire connectors * A crimping tool * A wire stripper * A multimeter 2.

Locate the fog light wiring harness.

The fog light wiring harness is located behind the bumper on the driver's side. It's a black plastic housing with a red wire, a yellow wire, and a black wire. 3.

Disconnect the fog light wiring harness.

To disconnect the fog light wiring harness, you will need to remove the two 10mm bolts that hold it in place. Once the bolts are removed, you can pull the wiring harness out of the housing. 4.

Install the relay.

The relay is used to switch the power to the fog lights on and off. It's a small, black box with three terminals. The red terminal is connected to the battery positive, the yellow terminal is connected to the fuse holder, and the black terminal is connected to ground. 5.

Install the fuse holder.

The fuse holder is used to protect the wiring from a power surge. It's a small, plastic box with two terminals. The red terminal is connected to the relay, and the black terminal is connected to ground. 6.

Install the fuse.

The fuse is used to protect the wiring from a power surge. It's a small, metal cylinder with two terminals. The red terminal is connected to the fuse holder, and the black terminal is connected to ground. 7.

Run the wiring.

You will need to run the wiring from the relay to the fog lights. The easiest way to do this is to follow the factory wiring harness. 8.

Connect the fog lights.

Connect the red wire from the wiring harness to the positive terminal on the fog light. Connect the yellow wire from the wiring harness to the negative terminal on the fog light. Connect the black wire from the wiring harness to a ground point on the body of the truck. 9.

Test the fog lights.

Turn on the ignition and turn on the fog lights. The fog lights should come on. If the fog lights do not come on, check the wiring to make sure you have connected everything correctly. Wiring fog lights to your Tacoma is a relatively simple process, but it's important to follow the instructions carefully to avoid making any mistakes. By following this guide, you can easily add a set of fog lights to your Tacoma and improve your visibility in low-light conditions.

Here are some additional tips for wiring fog lights to your Tacoma:

* Use high-quality wire and connectors. This will help to ensure that the wiring is safe and reliable. * Double-check your work before you connect the battery. This will help to prevent any damage to the wiring. * If you're not comfortable with wiring, have a qualified professional do the job for you. Wiring fog lights incorrectly can damage your truck's electrical system.


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