These H4 LED Negative Switch Harnesses are great for Land Cruisers and other vehicles where you want to replace the factory headlights with new LED headlights. A lot of Landcrusiers have reversed polarity, making it impossible to do so without a harness like this.
The decoder contains a high-efficiency interference absorption circuit, which reduces the interference pulse of the ballast to less than 1/10 of the original, eliminating the interference of the ballast in the driving computer. Applicable to solve modified headlight issues, the light not being bright enough or it cannot be dimmed because the dimmer switch is warm, etc.
This decoder is easy to connect and totally waterproof.
Even if it is connected to the negative pole, it will not burn the decoder and the quality is stable.
Polarity converter, negative pole to positive pole, positive pole to negative pole, can be used for all kinds of cars.
Specifications