Quick and Easy Fix: Replace Fuse to Restore Power Outlet on GMC Terrain

Last Updated on September 7, 2023 by Jacob

What’s up, everybody! In this comprehensive guide, we will walk you through the process of replacing a fuse to fix a power outlet issue in your GMC Terrain. Whether you’re facing a dead power outlet, a malfunctioning charger, or any other electrical problem, we’ve got you covered. Follow our step-by-step instructions, and you’ll have your power outlet up and running in no time. So, let’s get rolling on this.

Understanding GMC Terrain Power Outlet Fuse

Before we dive into replacing the fuse, it’s essential to understand what a fuse is and how it works. A fuse is a small device that protects electrical circuits from overloading. It contains a metal wire that melts when exposed to high currents, breaking the circuit and preventing damage to the electrical system. Fuses are designed to be easily replaceable, making them a cost-effective solution for protecting your vehicle’s electrical system. So now we’ll get started here.

Identifying the Issue

Step 1: Check Other Accessories

Before assuming there’s a problem with the power outlet, make sure to check other accessories that rely on the outlet. If they’re not working either, the issue might be with the fuse.

Step 2: Locate and Identify the Fuse

In this section, I will show you which fuses to check if your power outlets are not working in your GMC Terrain. So, with that being said, let’s get to it.

2011 to 2017 GMC Terrain

You will have three fuses to check in the 2011, 2012, 2013, 2014, 2015, 2016, 2017 GMC Terrain. The first two fuses to check will be located in a small fuse box just next to the passenger’s left leg. So, in this fuse box, you want to check these two yellow fuses:

2011, 2012, 2013, 2014, 2015, 2016, 2017 GMC Terrain power outlet fuse cabin

The first fuse you want to check is fuse number 13, a yellow 20-amp fuse responsible for the power to the front power outlet. Under that fuse is fuse number 17, which is also a yellow 20-amp fuse responsible for powering the rear power outlet.

You will have one more fuse to check in the main fuse box under the front hood. You want to check this yellow 20-amp fuse responsible for the rear power outlet.

Quick and Easy Fix: Replace Fuse to Restore Power Outlet on GMC Terrain

2018 to 2023 GMC Terrain

In this section, I will point out to you the location of the power outlet fuses for your 2018, 2019, 2020, 2021, 2022, 2023 GMC Terrain. The first one, we want to check the cabin fuse block under the instrument panel on the driver’s side. So here are the fuses that you need to check.

2018, 2019, 2020, 2021, 2022, 2023 GMC Terrain power outlet fuse fix

The power inverter fuse will be a 20-amp fuse in blue color right there. For the front accessory power outlet is going to be the 20-amp fuse in yellow color. There’s also a fuse for the USB ports, and that’s gonna be the 10-amp fuse in red color. For the 2018 to 2020 models, you’ll also find the Circuit Breaker for the Auxiliary power outlet console in this fuse block.

Now, if we move to the trunk, you’ll find the fuse block is behind a trim panel. In this fuse block, you can check this yellow 20-amp fuse, which is responsible for the Rear auxiliary power outlet.

trunk power outlet fuse in GMC Terrain

Step 3: Check the Fuse

Carefully remove the fuse using a fuse puller or a pair of pliers. Examine it closely for any signs of damage or a blown fuse. A blown fuse will have a broken wire inside.

Replacing the Fuse

Step 4: Choose the Right Replacement Fuse

To replace the blown fuse, you’ll need a new one with the same amperage rating. Using a different amperage could cause further electrical problems or damage to your vehicle.

Step 5: Insert the New Fuse

Gently insert the new fuse into the slot where the old one was removed. Make sure it fits snugly.

Step 6: Test the Power Outlet

With the new fuse in place, test the power outlet by plugging in a device. If it works, congratulations! You’ve successfully replaced the fuse and fixed the issue.


Alright guys, that about does it for this content. In conclusion, fixing a power outlet issue in your GMC Terrain is a relatively simple process that you can do on your own. By following the steps outlined in this guide, you can save time and money on unnecessary repairs. Always remember to exercise caution when working with electrical components in your vehicle. Thanks for checking it out and have a nice day.

FAQs – GMC Terrain Fuse

How do I know if the fuse is the problem with my power outlet?

If none of the accessories connected to the power outlet are working, it’s likely a fuse issue.

Can I use a fuse with a higher amperage rating as a replacement?

No, it’s not recommended. Using a higher amperage fuse can lead to electrical problems or damage to your vehicle.

Where can I find the amperage rating for the replacement fuse?

You can usually find the amperage rating on the fuse itself or in your vehicle’s manual.

Is it safe to replace the fuse on my own, or should I consult a professional?

If you’re comfortable working with electrical components and follow safety precautions, you can replace the fuse yourself. However, if you’re unsure, it’s best to consult a professional.

What if the power outlet still doesn’t work after replacing the fuse?

If the power outlet is still not working after replacing the fuse, there may be a more complex electrical issue, and it’s advisable to seek professional assistance.

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