This QuickCar 5 Foot Four Wire Ignition and Accessory Wiring Harness is for use with cars using a remote Ignition Box such as an MSD or FAST system. Shipped ready-to-install which makes this job hassle free. The harness consists of 4 individual wires and directly hooks to many QuickCar switch panels. Wiring is made very simple. The red and yellow wires molded together connect to the starter solenoid. The red/black stripe wire goes to the MSD/FAST ignition system. Finally, the white wire is for use with any accessory. Complete wiring instructions are included. Sold as one complete kit.