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, my gt-t (auto) is stock, only i mod the exhaust backbox to be straight flow. now it smells petrol. do i need to remap my ecu, or something wrong with my car?