the 4 wire.red for ignition +12v,orange for +12v battery,black for grounding and white for tacho input. The 2 wire socket for shifting light.Becoz it using led type be sure you connect this 2 wire correctly.Otherwise it won't light....
sorry for the mistake.......
The 2013 Formula One season could see a change in the layout of the engines used and the FIA will convene in less than a week to vote on the engine layout to be used...