Looking for the best add-a-circuit kits to upgrade your vehicle? We’ve compiled a list of the top 10 options to help you power your devices safely and easily.
Adding extra circuits to your vehicle doesn’t have to be complicated. Add-a-circuit kits make it simple to power devices like LED lights, dash cams, or GPS units safely. These kits protect your car’s electrical system while giving you the flexibility to upgrade.
With easy installation and no wire cutting, these kits are perfect for beginners and pros alike. Discover the best options to keep your vehicle running smoothly and your devices powered up.
List of Top 10 Add-a-Circuit Kits
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Nilight Fuse Holder Add-a-circuit Fuse TAP Adapter Mini ATM APM Blade Fuse Holder-10 Pack , 2 years Warranty |
This product is perfect for car owners and DIYers who need to add new circuits without cutting wires. It’s ideal for installing dash cams, LED strips, or other electronics using easy plug-in installation and dual-slot protection. |
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Cooclensportey 16 Pack 4 Types Fuse Tap, Upgraded 12V Car Add a Circuit Fuse Tap Kit – Standard Mini Micro2 and Low Profile Mini Fuses Taps, ATO ATC ATM APM Fuses Adapter Jumper for Cars Trucks Boats |
Perfect for car owners, mechanics, and DIYers adding accessories like GPS, alarms, or lights. Dual-slot design lets you tap into circuits safely, while easy plug-and-play installation avoids wire splicing. Works with cars, trucks, boats, and RVs. |
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Nilight – 50040R 12V Car Add-a-Circuit Fuse Adapter with Standard and Mini TAP Profile TAP Blade Fuse for Cars Trucks Boats, 10 Pack Fuse Holder-3 types, 2 Years Warranty,Blue, Red, Black |
This dual-slot fuse holder is perfect for car, truck, or boat owners who want to add accessories like LED lights, dash cams, or detectors without cutting wires. It’s ideal for DIY users needing quick, safe power upgrades with 3 fuse types (standard, mini, low-profile) to fit global vehicles. |
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Nilight – 50034R 10 Pack 12V Car Add-A-Circuit Fuse Tap Adapter Mini Atm Apm Blade Fuse Holder with 120 PCS Mini Blade Fuse Assortment Kit (5, 7.5, 10, 15, 20, 25, 30) AMP for Cars,Trucks,Boats |
This product is perfect for car owners who want to add electronic devices like LED strips or dash cams to their vehicle. It’s easy to use and works with American, Japanese, Chinese, and German cars. |
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Tecledsn 5 PCS 12V Car Add-a-Circuit Fuse Tap, Upgraded 12V Car Add a Circuit Fuse Tap Kit, Standard Mini Micro2 and Low Profile Fuse Taps, ATO ATC ATM APM Fuse Adapter Jumper for Cars Trucks Boats |
This Tecledsn 5 PCS 12V Car Add-a-Circuit Fuse Tap is perfect for anyone who wants to easily add extra power to their car, truck, or boat. It’s great for DIY projects and works with most vehicles. |
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BioFuse 12 AWG Low Profile Mini ATT Quick TAP KIT: 2 Add-A-Circuit Car Fuse Tap Adapters, 2 Each (10A 20A) LP-Mini Blade Fuses, 4 Zip Ties + Fuse Puller |
This BioFuse Quick TAP KIT is perfect for anyone who wants to add accessories like dashcams, LED lights, or USB ports to their vehicle safely and easily. It’s great for DIYers and car enthusiasts looking for a clean, warranty-friendly installation. |
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Nilight 12 Pack 12V Car Add-a-Circuit Fuse Tap Standard Mini Micro2 and Low Profile Taps 4 Types ATO ATC ATM APM Holder for Cars Trucks Boats |
This product is perfect for DIYers, car owners, or boat enthusiasts needing easy electrical upgrades. It allows quick installation of new circuits without cutting wires, ideal for adding LED lights, dash cams, or radios. The dual-slot design protects existing and new systems, while 4 tap types fit most vehicles. Durable, high-quality materials ensure safety and reliability. |
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MuHize Micro2 Fuse Tap Adapter Kit – 10 Pack Premium Add-A-Circuit ATR Blade Fuses Holder with 10 Free 5A Fuses | Easy Installation for Car Truck SUV Boat Accessories |
This product is perfect for drivers, boat owners, and DIYers adding accessories like GPS, dash cams, or lights. Easy installation lets you create new circuits without cutting wires, using dual-slot fuse holders to protect both original and added systems. |
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Mini Blade Fuse Holder Fuse with 10A, 20A – Tap 12V Car Add-a-Circuit Fuse TAP Adapter with Mini Blade Fuse (2 Sets) |
This product is perfect for car owners who want to add accessories like GPS, dash cams, or phone chargers. It offers easy install with no splicing or cutting wires. The assorted fuses (10A/20A) and two-set design suit mini blade fuse needs. |
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WeiSen 4 Types 12V Cars Add-a-Circuit and Fuse Kit – Dual-Slot Blade Fuse Holders with Mini MICRO2 ATC ATS Low Profile Tap dapter Compatible with Trucks SUVs Boats(12 Pack) |
This product is perfect for drivers and DIY enthusiasts adding accessories like dash cams, phone chargers, or GPS units to vehicles. Its plug-and-play design and dual-slot fuse holders let you save time without cutting wires, while the durable, high-quality materials work reliably in trucks, SUVs, boats, and more. |
Detailed Reviews
Discover the top 10 Add-a-Circuit Kits carefully selected for ease, safety, and value. Each kit is expert-reviewed and backed by real user feedback, ensuring you get the best fit for your vehicle. Whether you need durability, compatibility, or affordability, this guide has you covered. Dive in to find the perfect kit for your car, truck, or boat and upgrade your setup effortlessly.
1. Nilight Fuse Holder Add-a-circuit Fuse TAP Adapter Mini ATM APM Blade Fuse Holder-10 Pack , 2 years Warranty

The Nilight Fuse Holder adds new circuits easily. Dual-slot design protects existing and new circuits without cutting wires.
Each pack has 10 fuse holders and 15A fuses. High-quality materials resist heat and bend well. Use for LED strips, dash cams, or car electronics.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car owners and DIYers who need to add new circuits without cutting wires. It’s ideal for installing dash cams, LED strips, or other electronics using easy plug-in installation and dual-slot protection.
Ready to Purchase?
2. Cooclensportey 16 Pack 4 Types Fuse Tap, Upgraded 12V Car Add a Circuit Fuse Tap Kit – Standard Mini Micro2 and Low Profile Mini Fuses Taps, ATO ATC ATM APM Fuses Adapter Jumper for Cars Trucks Boats

The Cooclensportey 16 Pack Fuse Tap Kit is a must-have for anyone looking to add extra circuits to their vehicle. It includes 4 types of fuse taps and 16 blade fuses, making it compatible with most cars, trucks, and boats.
This kit is easy to use, safe, and reliable. It works with standard, mini, micro2, and low profile mini fuses. Perfect for tachographs, GPS, or other devices.
| Pros | Cons |
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Perfect For:
Perfect for car owners, mechanics, and DIYers adding accessories like GPS, alarms, or lights. Dual-slot design lets you tap into circuits safely, while easy plug-and-play installation avoids wire splicing. Works with cars, trucks, boats, and RVs.
Ready to Purchase?
3. Nilight – 50040R 12V Car Add-a-Circuit Fuse Adapter with Standard and Mini TAP Profile TAP Blade Fuse for Cars Trucks Boats, 10 Pack Fuse Holder-3 types, 2 Years Warranty,Blue, Red, Black

The Nilight 50040R Fuse Adapter is a 10-pack solution for adding circuits to your vehicle’s fuse box. It includes standard and mini fuse holders for wide compatibility. Perfect for cars, trucks, and boats.
It’s easy to use with no wire cutting needed. The dual-slot design protects both existing and new circuits. Made from high-quality materials for durability.
Use it for LED strips, dash cams, or radar detectors. Works with Korean, Japanese, US, and European cars. Comes with a 2-year warranty for peace of mind.
| Pros | Cons |
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Perfect For:
This dual-slot fuse holder is perfect for car, truck, or boat owners who want to add accessories like LED lights, dash cams, or detectors without cutting wires. It’s ideal for DIY users needing quick, safe power upgrades with 3 fuse types (standard, mini, low-profile) to fit global vehicles.
Ready to Purchase?
4. Nilight – 50034R 10 Pack 12V Car Add-A-Circuit Fuse Tap Adapter Mini Atm Apm Blade Fuse Holder with 120 PCS Mini Blade Fuse Assortment Kit (5, 7.5, 10, 15, 20, 25, 30) AMP for Cars,Trucks,Boats

The Nilight 50034R 10 Pack is an Add-A-Circuit Fuse Tap Adapter for cars, trucks, or boats. It lets you safely add devices like LED strips or dash cams by wiring into the fuse box.
The dual-slot fuse holder protects both existing and new circuits. It includes a 15cm red wire for new connections and a crimp connector. The high-quality materials resist heat and ensure strong electrical flow.
This pack comes with 10 fuse holders, 10 15A fuses, and 120 mini blade fuses (5A–30A). It works with American, Japanese, Chinese, and German vehicles. The design prevents damage from power surges or shorts.
| Pros | Cons |
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Perfect For:
This product is perfect for car owners who want to add electronic devices like LED strips or dash cams to their vehicle. It’s easy to use and works with American, Japanese, Chinese, and German cars.
Ready to Purchase?
5. Tecledsn 5 PCS 12V Car Add-a-Circuit Fuse Tap, Upgraded 12V Car Add a Circuit Fuse Tap Kit, Standard Mini Micro2 and Low Profile Fuse Taps, ATO ATC ATM APM Fuse Adapter Jumper for Cars Trucks Boats

The Tecledsn 5 PCS 12V Car Add-a-Circuit Fuse Tap adds new circuits safely. Its durable material resists melting and ensures strong electrical conductivity.
Installation is simple—no cutting or splicing. Each tap uses two fuse holders to protect both existing and new circuits. It works with cars, trucks, boats, and more for lights, radios, and accessories.
| Pros | Cons |
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Perfect For:
This Tecledsn 5 PCS 12V Car Add-a-Circuit Fuse Tap is perfect for anyone who wants to easily add extra power to their car, truck, or boat. It’s great for DIY projects and works with most vehicles.
Ready to Purchase?
6. BioFuse 12 AWG Low Profile Mini ATT Quick TAP KIT: 2 Add-A-Circuit Car Fuse Tap Adapters, 2 Each (10A 20A) LP-Mini Blade Fuses, 4 Zip Ties + Fuse Puller

The BioFuse 12 AWG Low Profile Mini ATT Quick TAP KIT is a simple solution for adding extra circuits to your vehicle’s fuse box. It lets you connect devices like dashcams, LED lights, or GPS units without cutting wires.
This kit includes 2 fuse tap adapters, 2 each of 10A and 20A fuses, 4 zip ties, and a fuse puller. It works with 12V circuits and is easy to install.
Made with high-quality materials, it’s safe for automotive and non-automotive use. Plus, it comes with a 1-year warranty and a 90-day money-back guarantee for peace of mind.
| Pros | Cons |
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Perfect For:
This BioFuse Quick TAP KIT is perfect for anyone who wants to add accessories like dashcams, LED lights, or USB ports to their vehicle safely and easily. It’s great for DIYers and car enthusiasts looking for a clean, warranty-friendly installation.
Ready to Purchase?
7. Nilight 12 Pack 12V Car Add-a-Circuit Fuse Tap Standard Mini Micro2 and Low Profile Taps 4 Types ATO ATC ATM APM Holder for Cars Trucks Boats

Nilight 12 Pack Fuse Taps let you add new circuits fast. Dual-slot design protects old and new circuits; blue socket tails connect easily to bare wires with a vise.
No cutting or splicing needed. Fits all fuse block slots. Works with cars, trucks, boats, RVs, and more. 12 fuses included for quick setup.
Built with durable materials for long use. 12-pack combo includes standard, mini, Micro2, and Low Profile taps. Perfect for LED lights, dash cams, or radios.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for DIYers, car owners, or boat enthusiasts needing easy electrical upgrades. It allows quick installation of new circuits without cutting wires, ideal for adding LED lights, dash cams, or radios. The dual-slot design protects existing and new systems, while 4 tap types fit most vehicles. Durable, high-quality materials ensure safety and reliability.
Ready to Purchase?
8. MuHize Micro2 Fuse Tap Adapter Kit – 10 Pack Premium Add-A-Circuit ATR Blade Fuses Holder with 10 Free 5A Fuses | Easy Installation for Car Truck SUV Boat Accessories

The MuHize Micro2 Fuse Tap Adapter Kit is a 10-pack of premium fuse holders designed for easy installation. It includes 10 free 5A fuses for added value.
This kit features a dual-slot fuse holder, protecting both original and new circuits. It uses heavy-duty 16-gauge wire for reliable performance.
Perfect for car, truck, SUV, or boat accessories, it works with mini blade fuses (1Amp-30Amp). Ideal for GPS, dash cams, or phone chargers. High-quality materials ensure safety and durability.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for drivers, boat owners, and DIYers adding accessories like GPS, dash cams, or lights. Easy installation lets you create new circuits without cutting wires, using dual-slot fuse holders to protect both original and added systems.
Ready to Purchase?
9. Mini Blade Fuse Holder Fuse with 10A, 20A – Tap 12V Car Add-a-Circuit Fuse TAP Adapter with Mini Blade Fuse (2 Sets)

This Mini Blade Fuse Holder comes with 2 sets of 10A and 20A fuses. It’s a simple way to add circuits to your car’s fuse box.
Easy to use, just plug it into an existing fuse holder. No cutting or splicing needed. Saves time and effort.
Widely used for car accessories like GPS, dash cams, or chargers. Fits mini blade fuses from 1Amp to 30Amp. High-quality and reliable.
| Pros | Cons |
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Perfect For:
This product is perfect for car owners who want to add accessories like GPS, dash cams, or phone chargers. It offers easy install with no splicing or cutting wires. The assorted fuses (10A/20A) and two-set design suit mini blade fuse needs.
Ready to Purchase?
10. WeiSen 4 Types 12V Cars Add-a-Circuit and Fuse Kit – Dual-Slot Blade Fuse Holders with Mini MICRO2 ATC ATS Low Profile Tap dapter Compatible with Trucks SUVs Boats(12 Pack)

The WeiSen 4 Types 12V Cars Add-a-Circuit and Fuse Kit adds new circuits easily. It includes dual-slot fuse holders and 12 adapters for varied uses.
This kit works with trucks, SUVs, boats, and more. Plug & play design avoids cutting wires. Fuses protect circuits while handling high power needs.
12-pack kit includes mini, micro2, and standard fuses. Adapters fit existing fuse slots perfectly. Ideal for dash cams, phone chargers, GPS, and more.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for drivers and DIY enthusiasts adding accessories like dash cams, phone chargers, or GPS units to vehicles. Its plug-and-play design and dual-slot fuse holders let you save time without cutting wires, while the durable, high-quality materials work reliably in trucks, SUVs, boats, and more.
Ready to Purchase?
Buying Guide
Adding extra circuits to your vehicle is easy with add-a-circuit kits. These kits let you power devices like LED lights, dash cams, or GPS units safely. They protect your car’s electrical system while giving you flexibility to upgrade.
Choosing the right kit can make your experience smooth and hassle-free. Whether you’re a beginner or a pro, these kits offer easy installation and no wire cutting. Here’s what to consider when buying the best add-a-circuit kit for your needs.
- Compatibility: Check if the kit works with your vehicle’s fuse type. Most kits fit standard, mini, micro2, or low profile fuses, but confirm before buying.
- Number of Fuses: Kits come with different quantities, like 10-pack or 16-pack. Choose based on how many devices you plan to add.
- Material Quality: Look for high-quality materials that resist heat and ensure durability. This keeps your circuits safe and long-lasting.
- Ease of Installation: Opt for kits with plug-and-play design or no wire cutting for a quick and simple setup.
- Included Accessories: Some kits include fuses, zip ties, or fuse pullers. These extras can save you time and money.
- Warranty: A warranty or money-back guarantee adds peace of mind. Look for kits with at least a 1-year warranty.
- Vehicle Type: Ensure the kit is compatible with your vehicle, whether it’s a car, truck, boat, or RV.
- Circuit Protection: Choose kits with dual-slot designs to protect both existing and new circuits from power surges.
With these factors in mind, you’ll find the perfect add-a-circuit kit to keep your vehicle running smoothly and your devices powered up.