Metra Metra E-5000 relay

The SPDT (single-pole, double throw) relay is a switch controlled by a voltage input instead of a mechanical action. By sending current through the relay, you can turn a device on or off without touching the device. The relay consists of two parts: the relay, which includes a 5-blade socket, and the 5-blade plug with 5 wires. It has a capacity for up to 30 Amps. Installation of this relay requires soldering of the connections. Installation of a 30-amp fuse and fuse holder may be required near the battery...