MB Quart GMR-RB4 4-Circuit Relay Bank
Upgrade your UTV or off-road audio system with the MB Quart GMR-RB4 4-Circuit Relay Bank, engineered for seamless integration with the MB Quart GMR7V1 Source Unit (sold separately). This plug-and-play relay bank gives you full control over up to four 20-amp 12V accessories, making it the perfect solution for powering lights, pumps, fans, and other off-road add-ons.
Key Features:
- Plug-and-Play with GMR7V1 – Direct connection via JST connector for simple, error-free setup.
- Four 20A Circuits – Each circuit supports up to 20 amps, providing reliable power distribution.
- Quick Install – Only requires a simple three-wire connection with 12V power and ground.
- LED Fuse Indicators – Glowing LEDs identify blown fuses while keeping circuits connected.
- Universal Compatibility – Works with any 12V accessory across UTVs, off-road vehicles, and marine builds.
- Durable Construction – Designed to withstand rugged off-road conditions with long-term reliability.
Installation Made Easy:
- Connect the male JST plug to the AUX TRIGGER on your GMR7V1.
- Provide 12V power and ground via 8 AWG wire (80A fuse recommended).
- Wire your 12V accessories into each circuit for fast and dependable operation.
Why Choose the MB Quart GMR-RB4?
The GMR-RB4 relay bank eliminates wiring guesswork while giving you centralized control of your accessories directly from your GMR7V1 Source Unit. Whether you’re adding LED lighting, a winch, or auxiliary fans, this system keeps your installation clean, secure, and trail-ready.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including Lead, known to cause cancer and reproductive harm. Learn More.
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