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Power Wheels Thermal Fuse Bypass: A Comprehensive Guide

power wheels thermal fuse bypass

Have you ever had a Power Wheels toy car that suddenly stopped working and wondered why? One of the most common reasons for this issue is a blown thermal fuse. The thermal fuse is a safety feature that prevents the battery from overheating and causing a fire. However, if the fuse blows, your Power Wheels car won’t work. In this article, we will discuss how to bypass the thermal fuse to get your Power Wheels car up and running again.

What is a Power Wheels Thermal Fuse?

Before we dive into how to bypass the thermal fuse, let’s first understand what it is.

All Power Wheels battery-powered toys have a safety feature called the thermal fuse, which breaks the circuit when the temperature inside the battery compartment reaches a certain level.

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The thermal fuse is a small component installed to ensure safety. This is to prevent the battery from overheating and causing a fire or explosion.

Signs of a Blown Thermal Fuse

One of the most common signs of a blown thermal fuse is when your Power Wheels car suddenly stops working. Other issues such as a dead battery or a faulty charger can also cause this problem.

To confirm that the thermal fuse is the issue, you can perform a simple test. First, unplug the battery from the car and use a multimeter to check the voltage. If the voltage falls below the recommended level, then the thermal fuse will likely blow.

power wheel fuse
Power Wheel Adapter with Fuse & Switch

Tools Needed to Bypass the Thermal Fuse

To bypass the thermal fuse, you will need a few tools. Here is a list of what you will need:

  • Wire cutters
  • Wire strippers
  • Soldering iron
  • Solder wire
  • Electrical tape

Steps to Bypass the Thermal Fuse

Now that you have the necessary tools, here are the steps to bypass the thermal fuse:

Step 1: Remove the Battery

The first step is to remove the battery from the Power Wheels car. This is to prevent any electrical shock or damage to the car.

Step 2: Cut the Wires

Using the wire cutters, cut the wires that are connected to the thermal fuse. Be sure to leave enough wire on each end to work with.

Step 3: Strip the Wires

Using the wire strippers, strip the insulation off the ends of the wires that you just cut.

Step 4: Solder the Wires

Using the soldering iron and solder wire, connect the two wires that were previously connected to the thermal fuse. This will complete the circuit and bypass the thermal fuse.

Step 5: Insulate the Wires

Wrap the exposed wires with electrical tape to prevent any accidental contact or short circuits.

Step 6: Reinstall the Battery

After you have completed the above steps, you can reinstall the battery in the Power Wheels car.


It is important to note that bypassing the thermal fuse is not recommended, as it removes a safety feature designed to protect against fires and explosions. If you do choose to bypass the thermal fuse, it is essential to take the following precautions:

  • Monitor the battery temperature regularly
  • Do not leave the battery charging unattended
  • Disconnect the battery after use
  • Keep the battery away from flammable materials


In conclusion, a blown thermal fuse can be a frustrating issue to deal with when it comes to Power Wheels cars.

However, bypassing the fuse is not recommended, and it is important to take all necessary precautions to prevent fires and explosions. If you are unsure of what to do or do not feel comfortable bypassing the thermal fuse, it is always best to seek professional help.


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