fuse/relay module that is used in all of our stand alone wiring harnesses that need a little more protection from the elements. Off road vehicles, sand rails, boats, etc. We pre-wire it for use with almost any engine harness. Kit includes: Ignition Fuses Battery Fixed Fuses Relays ECU Transmission Injectors Coil(s) MAF/O2 Sensors 3 Empty ECU/Diagnostic Ports Fuel Pump 2 Electric Fans Ignition Supply Fuel Pump (20A) 2 Fans (30A) Kit also includes a diagnostic port, extra fuses, power lug, and a roll of harness tape. For the do-it-yourselfer: A fuse/relay module that contains the relays and wiring for the electric fans and fuel pump. 8 ignition supply circuits and a battery supply circuit All labeled with instructions. Threaded plates with 6mm x 1.0 nuts can be moved for installation from 2 available positions.