If you're planning to install new electrical equipment in your car, truck, boat, or other vehicle—like a dash cam, LED lighting, or radio upgrade—you'll likely need to tap into your vehicle's fuse box for power. Rather than cutting and splicing wires, a fuse tap adapter provides a cleaner, safer way to do this. The Nilight 10 Pack Micro2 Car Add a Circuit ATR Blade Fuse Tap Adapter is one option designed specifically for this job.

Understanding Fuse Tap Adapters and Micro2 Fuses

A fuse tap adapter is a small device that plugs directly into an existing fuse slot in your vehicle's fuse box. Instead of replacing the original fuse, the adapter holds two fuses side by side: one protects your vehicle's existing circuit, and the other protects your new circuit. This dual-slot design means you can draw power for new equipment without removing or disturbing what's already there.

The Nilight Micro2 adapter works with ATR Micro2 fuses, which is a specific fuse size and type. Micro2 fuses are smaller than traditional blade fuses and are commonly found in newer vehicles. The key specification here is the amp rating: this model supports fuses rated up to 20 amps in each slot, meaning you can safely draw power for devices that require moderate electrical current.

What Vehicles and Equipment Can You Use This With

The Nilight 10 Pack Micro2 fuse tap is designed to work with most vehicles and electrical systems that run on 12-volt direct current. That includes cars, trucks, SUVs, ATVs, UTVs, motorcycles, campers, RVs, boats, and snowmobiles. It's also suitable for general DC applications beyond automotive use. Common applications include hardwiring dash cameras, adding LED light strips, installing aftermarket radios, or powering other accessories that need a constant power source from the fuse box.

Before You Buy: Check Your Fuse Type

The critical step before purchasing is confirming that your vehicle actually uses Micro2 fuses. Open your vehicle's fuse box—typically located under the dash or under the hood—and look at the fuses. Micro2 fuses are small, flat, rectangular fuses that are narrower than older blade fuses. If your vehicle uses larger, wider blade fuses instead, you'll need a different style of tap adapter. Check your vehicle's manual or fuse box diagram if you're unsure. Taking a photo of your fuses and comparing them to online images of Micro2 fuses will give you certainty before ordering.

Also check whether you have an available fuse slot in your fuse box, or whether you'll be using an existing slot that already has a fuse in it. Both work with a fuse tap adapter, but knowing this helps you plan your installation.

Installation and Safety Considerations

Installation is straightforward: turn off your vehicle's ignition, locate an appropriate fuse slot, and plug the adapter in. The adapter's dual-slot design means it only takes up one physical fuse slot, making it space-efficient in crowded fuse boxes. Because you're not cutting or splicing wires, there's less risk of creating loose connections or exposed conductors.

The 20-amp fuse rating is important for safety. Never use a higher-amp fuse than your accessory requires, as this defeats the protection the fuse is meant to provide. If you're installing a dash cam that draws 5 amps, for example, you'd typically use a 10-amp fuse for that circuit, not the maximum 20-amp rating. The fuse should match the electrical demand of the device you're powering.

What You Get and Long-Term Use

The package includes 10 fuse tap adapters and 10 pre-installed 20-amp fuses. Having multiple adapters is useful if you're adding circuits to several vehicles, or if you want spares on hand. The adapters are made from materials designed to resist heat and maintain good electrical conductivity, which supports reliable performance over time. The product comes with a two-year warranty, giving you some protection if an adapter fails prematurely.

Fuse taps themselves don't really wear out in the traditional sense, but the fuses they hold will blow if a short circuit or electrical overload occurs. That's exactly what they're designed to do—protect your new equipment and your vehicle's electrical system. Keep spare fuses of the appropriate amp rating on hand so you can replace one quickly if needed.

The product in this guide: Nilight 10 Pack Micro2 Car Add a Circuit ATR Blade Fuse Tap Adapter | Micro II Fuses Holder with 20Amp Fuse Adding Additional Circuit Without Cutting Splicing Wires