This is a Universal Complete Turn Signal Kit for Early Cars & Trucks. Mounting brackets are designed for light brackets to slide over frame bolts that hold bumpers in place. Each kit comes with four Amber LED lights mounted on brackets, signal switch box with strong magnetic mount, wiring and instructions. Features: • Automatically works with Positive and Negative chassis ground polarities without wiring changes. • Will not discharge your vehicle battery when not in use (less than 0.000005 Amp current draw when off). • Emits mixed audio frequency “cricket chirp” when signaling. • Includes hazard function.• Control box has thermal and overload safeties.