This Do-It-Yourself wiring kit includes the necessary parts to construct a power wiring harness for one fuel surge tank pump. It uses the highest quality components to ensure proper operation in all conditions. The relay and fuse holder are sealed to allow installation in weather exposed areas if necessary. Aircraft grade TXL wiring is resistant to all chemicals and elevated temperatures. Crimpless solder-based butt connectors make reliable wire connections easy and clean. Necessary ring terminals are included for connecting to an external Bosch 044 fuel pump as well.Features:Weatherproof SPDT 12V/40A Relay with Mounting Tab (x1)Weatherproof Relay Flying 12" Lead Connector (x1)Weatherproof Mini Fuse Holder with Mounting Tab (x1)Weatherproof Mini Fuse Flying Lead Connector (x1)Quick-Connect Posi-Tap "TRIGGER" Connector (x1)Crimpless Solder Heat Shrink Butt Connectors (x4)10AWG 6mm Stud Ring Terminals (x4)10AWG 5mm Stud Ring Terminal (x1)10AWG Black TXL Wire (10ft)10AWG Red TXL Wire (10ft)20A LED Blade Mini Fuse (x1)Notes:Radium recommends a dedicated fuse and relay for each fuel surge tank pump. For this reason, order a wiring kit for EACH fuel surge tank pump.