6 volt led flasher negative ground. This flasher operates negative ground up to 150 Watt's. This flasher operates at 6 volts only. The flasher eliminates hyper flashing so no load equalizers required. After market turn signal controllers can cause load equalization issues. After installation you still have issues please install load equalizers. The rated flasher flashing time is 400 hours. The flasher relay clicks like a real old time flasher so you can hear that you have your flasher on. The duty cycle ranges from 30% to 70%. Please connect your anode of your LED to the L terminal. Please connect your cathode of your LED to ground. The anode is the positive terminal of the led if you are not sure please hook your led up to your battery to see which side is the anode and which side is the cathode. The rated load is from 1 amp to 20 amps. The rated wattage is up to 150 Watts. You can connect either incandescent bulbs or led bulbs or a combination of both to this flasher. This flasher controls the power to the bulbs that are hooked up so you do not have to worry about load up to the maximum power of 150 Watts. The P terminal is for pilot light. Connect anode to the P terminal and connect the other side of the bulb the cathode to ground. The X is input when the signal is positive 6 volts.