Black connects directly to the (-) on the battery or your 12v power supply.

The blue and red wires can be connected together or separately to a switch, a wire should go from the
switch to the (+) on the battery or your 12v power supply.

The Strobes can be switched on automatically with your vehicle's audio amplifier by connecting the blue and/or red wires to the remote terminal on the amp.

Always use an In-line fuse along the + wires.