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Fred Bloggs
Reviewed in the United States on May 9, 2025
The GEARCESS 12V Relay Box is a versatile and practical solution for managing electrical systems in automotive, marine, and other applications. Here’s a review based on its features and performance:Features:6-Way Relay System: The box accommodates up to six relays, making it suitable for various applications where multiple circuits need to be controlled.Pre-Wired Design: The pre-wired setup simplifies installation, saving time and effort. The 12 AWG wiring is robust and can handle significant current loads.Waterproof Construction: The waterproof design is a significant advantage for marine and outdoor applications, protecting the electrical components from moisture and corrosion.4 Pin Configuration: The 4-pin relay setup is standard for many automotive applications, ensuring compatibility with a wide range of vehicles and systems.ATC/ATO Fuse Compatibility: The box supports ATC/ATO fuses, which are commonly used in automotive applications, making it easy to replace fuses as needed.Performance:Ease of Installation: Users have reported that the pre-wired feature makes installation straightforward, even for those with limited electrical experience.Durability: The waterproof and rugged design has been praised for its ability to withstand harsh conditions, making it ideal for marine environments.Functionality: The relay box effectively manages multiple circuits, providing reliable performance for various electrical components, such as lights, pumps, and other accessories.Considerations:Size: Depending on the installation space, the size of the relay box may be a consideration. Ensure it fits well in your intended location.Documentation: Some users have noted that the included documentation could be more detailed.Conclusion:Overall, the GEARCESS 12V Relay Box is a solid choice for anyone looking to manage multiple electrical circuits in automotive or marine applications. Its waterproof design, ease of installation, and robust wiring make it a reliable option for both DIY enthusiasts and professionals. If you need a dependable relay and fuse management solution, this product is worth considering.
Rick in CA
Reviewed in the United States on May 29, 2025
I almost didn’t order this because the schematic in the product description didn’t make sense. Now I understand that you just can’t take the schematic literally. What I circled in the photo (the small boxes with one side connected to terminal 86 and other to ground) depicts the switches that you provide. In other words, connect terminal 86 to ground when you flip on the switch, and the relay will energize. I sure would not draw a schematic like that, but others apparently do. On top of that, the relay diagram in the lower right is inconsistent with the schematic- it shows the switch connecting to +12V to energize the relay. Just ignore that diagram.The thing itself is actually built well, and correctly, it’s just that whoever did the schematic did a poor job. A small gauge wire for each relay comes out of the bundle. Connect that wire to ground with your switch to activate the relay, and the larger gauge wire of corresponding color goes live with +12V. Connect that large wire to your load.
Cashmj
Reviewed in the United States on May 28, 2025
This is not for someone that has no under standing of how to wire. The instructions are very limited and not detailed for the plug and play individual.This is great for so many applications whether it it is for automotive, marine, RV or ATV this gives a very OEM look and functionality!/ Well made and works great!
heartoD
Reviewed in the United States on May 26, 2025
Comes with everything you need to wire in some extra 12V accessories. I used it on my truck to wire a light bar and a few pods. The box is easy to mount pretty much anywhere, and the wires are all color-coded to make it easy to install. The waterproof box does seem like it will keep water out, at least enough that it won't break anything, and the lid is easy to remove to fix fuses if you end up blowing any. It works great, and for the price, you really can't beat it. I couldn't even buy the components in the kit for what it costs.5/5 exactly as advertised :)
Eye Guy
Reviewed in the United States on May 16, 2025
This is a nice little fuse relay box to add high current devices to your 12 V car or boat. It has provisions for six circuits and you can change out the fuses up to 40 A. The case is weather protected, although I don’t think it’s waterproof. It is easily installed And using butt connectors, it will electrically isolate the switch side from the low side.
Mr68K
Reviewed in the United States on May 12, 2025
This is a really high quality pre-made relay box. You cannot really tell it is not OEM when installed. I was not expecting such a great little product. The manual is decent, and matches the wire color to the relay.
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