1. The wiring harness of the water resistant switch a two drag with loudspeaker group line connector, each group can control two line lights.
2. Between the switch and the control line with self-locking terminals connected to the terminal with a jacket, to prevent short circuits. At the same time, this terminal can be directly in the original position control of the lights, so that you can use the original car switch to control the new lights.
3. Connect the red + battery + fuse cable; connect the black cable of the relay to the battery.
4. Connect the relay bar lights cable(red / black correspond to bar wire lights).
5. Connect the black-switch cable to the battery or system from any place in your car to get the power to the switch.
6. Turn on / off switch button to test the bar lights.
7. Prohibit the lamp connected directly, because the car comes with the power of the lamp is relatively small, the original line can only withstand a smaller source, if it is forced to rise, will make the circuit burned or accelerated aging line.