Plug and play, simple to install. If they do not work, just reverse them to match polarity.
12 PCS T5 LED Bulbs 74 73 37 2721 12V Instrument Panel Light Car GauColor: White
12PCS T5 LED Bulbs, 74 73 37 2721 3030 Chips, Ice Blue Dashboard Lights Cars
10PCS BA9S LED Bulbs, 12V 3030-SMD BA9 1895 1891 57 53 3893 47830 64Color: Green
10PCS BA9S LED Bulbs, 12V 3030-SMD BA9 1895 1891 57 53 3893 47830 641Color: Blue
