MB Quart GMR-RB4 Plug-and-Play 4-Circuit Relay Bank for GMR7V1 Source Unit

The GMR-RB4 relay bank features four 20-amp (max) circuits that are plug-and-play and controlled by the GMR7V1 Source Unit (sold separately). This allows users to easily add, wire, and control any switchable 12V accessory in their vehicle.

Universal

Directly plug-and-play with the GMR7V1 Source Unit (sold separately), giving users access and control to any 12V accessory via the GMR7V1's digital switches.

The GMR-RB4 has a simple three-wire connection. Connect the relay bank to the GMR7V1 (sold separately) via the male JST connector to the female JST connector on the GMR7V1 labeled 'AUX TRIGGER'. Provide 12V power/ground to the GMR-RB4 via a 8 AWG wire with an 80A fuse on the 12V+ wire. Adding 12V accessories to each 20A (max) circuit is done via a simple 12V power and ground connection.

Quickly and easily know which fuse is blown via the glowing LED indicator that will light as long as a load is still connected to the circuit.