How To Wire An Auxiliary Fuse Box In 2023


CRF1000L DIY Auxiliary Fuse Box
CRF1000L DIY Auxiliary Fuse Box from www.xrv.org.uk

Are you looking to add more electrical components to your vehicle? Perhaps you want to install some aftermarket lights, a winch, or a sound system. If this is the case, you'll want to wire an auxiliary fuse box to ensure that your vehicle's wiring system is protected from overload. In this article, we'll show you how to wire an auxiliary fuse box step-by-step, so you can safely and effectively add more electrical components to your vehicle.

Step 1: Gather Your Tools and Materials

Before you begin, you'll need to gather all the necessary tools and materials. Here's what you'll need:

Tools:

  • Wire cutters/strippers
  • Crimping tool
  • Heat gun (or lighter)
  • Electrical tape
  • Screwdriver

Materials:

  • Auxiliary fuse box
  • Fuse holder and fuses
  • Primary wire (12-14 gauge)
  • Ring terminals
  • Zip ties

Step 2: Choose a Location for the Fuse Box

The next step is to choose a location for the fuse box. You'll want to choose a location that's easily accessible and close to the electrical components you'll be powering. Some good locations include under the dashboard, in the engine bay, or in the trunk. Once you've chosen a location, use the zip ties to secure the fuse box in place.

Step 3: Connect the Fuse Box to the Battery

The next step is to connect the fuse box to the battery. To do this, you'll need to run a 12-14 gauge wire from the positive terminal of the battery to the positive terminal on the fuse box. Use a ring terminal to connect the wire to the battery and the fuse box. Be sure to route the wire in a way that won't interfere with any moving parts or get damaged by heat or rubbing.

Step 4: Install the Fuse Holder and Fuses

Now it's time to install the fuse holder and fuses. The fuse holder is typically included with the auxiliary fuse box and is designed to protect your electrical components from overload. To install the fuse holder, simply connect one end of the fuse holder to the positive terminal on the fuse box and the other end to the positive wire that you'll be using to power your electrical components.

Next, choose the appropriate fuse for each electrical component you'll be powering. Check the manufacturer's specifications to determine the appropriate fuse size for each component. Once you've chosen the appropriate fuse size, insert it into the fuse holder and secure the fuse holder cover.

Step 5: Connect Your Electrical Components

The final step is to connect your electrical components to the auxiliary fuse box. To do this, simply run a wire from the negative terminal on the component to a ground point on your vehicle. Then, run a wire from the positive terminal on the component to the appropriate fuse on the fuse box. Use crimp connectors to secure the wires to the terminals, and use electrical tape to cover any exposed connections.

Once you've connected all your electrical components, test them to make sure they're working properly. If everything is working as it should, tidy up your wiring by securing any loose wires with zip ties and covering any exposed connections with electrical tape.

Conclusion

Wiring an auxiliary fuse box is a great way to add more electrical components to your vehicle without overloading its wiring system. By following these five steps, you can safely and effectively wire an auxiliary fuse box to protect your vehicle's electrical system and power all your aftermarket accessories.


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