Nilight 50023R 5 Pack 30A Fuse Relay car Truck Socket kit-30A Switch Harness Set-12V DC 4-Pin SPST Automotive 14 AWG Hot Wires-Auto Switches & Starters S

Upgraded Version - Automotive relays built in fuse socket included 30A blade fuses with heavy duty 14AWG wires for main contact. No need of a separate fuse holder, saving space and money. Bosch style 4-Pin SPST (Single Pole Single Throw) Relay. Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation. Easy Wiring - The relay sockets come with color-labeled wires for load/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87) Wide Application - Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics etc. Set includes 5 relays, 5 relay harnesses, and 5 30A blade fuses.