PXPART LED Polarity Conversion Relay, H4 Negative Control Car Multi Relay Unit, Set of

Since the standard LED kit is a positive control, it may cause faulty that it cannot be turned on or hi/LO switched if installed in a negative control vehicle. This LED polarity conversion relay will convert negative control to positive control to work properly Compatible models: vehicles with negative current control (headlight H4 Hi/Lo switching) Product Contents: 2 x LED conversion relays The body withstand long-term use, simply plug it into the H4 coupler Product Size: 1.2 inches (30.5 mm) H4Hi/Lo headlight cars. *Instruction manual is not included

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