Hopkins 39305 BreakBuddy 12 Volt Battery Direct Kit Upgrades the towed vehicle's cigarette lighter socket to 12 volts by connecting directly to the battery For digital classic, vantage select, or boost braking systems Kit includes 12 volt plug with red and black wires, mounting bracket, 20 amperes inline fuse, 10 foot wiring harness, 6 nylon ties, 2 sheet metal screws, 2 flat washers, 2 nuts, 1 ring connector, and 1 rubber grommet Easy to use Industry's best one year warranty included