The wiring harness kit has A/C, ignition, battery/hazard, ignition switch, ignition/battery, meter, brake switch, flash, headlight, wiper, ACC1, ACC2 and heater circuit Line voltage: 12V; Fuses: made of standard copper wire and plastic parts, manufactured according to the standard used in the car, while controlling for accuracy and reliability The high temperature wire is printed with easy-to-read characters every 6 inches to ensure proper installation. At the same time, a comprehensive manual is attached, with pictures, so don't worry about wiring This standalone wiring harness system has an easy-to-install design and has the ability to be expanded. It can be installed anywhere under the dashboard or seat. It is the choice for your car modification