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.......
hi brothers, i would like u bros to give me some advise before buying an airtrek turbo.. i saw 1 good deal and look tip top on the outside, but whats is the main thing i need to check? advise pls!