V.W BUG HAS 8 CIRCUITS HORN RELAY, BRAKE LIGHTS, HEADLIGHTS, HAZARDS RADIO, GAUGES, AC/HEAT, BACK UP LIGHTS, WIPER, COIL.Kit comes with easy to use instructions, alternator wire, dash light wire, reverse light wires, fusible link, 1 1/4" rubber grommet for the firewall, and fuse block label. KIT COMES WITH HEADLIGHT CONNECTORS AND FLOOR DIMMER CONNECTOR