cciyu T10 Halogen Light Bulb 168 194 Light Bulb Instrument Gauge Cluster Dashboard Light Lamp,10Pack T10 194 InstraT10 194 Instrument Light:12V 5W T10 Purple glass halogen lamps;Fit diameter 1/2/ Hole twist lock base socketument Light:12V 5W T10 Purple glass halogen lamps;Fit diameter 1/2/ Hole twist lock base socket Cross Reference:W5W (194 168) 147 152 158 159 161 168 184 192 193 194 259 280 285 447 464 501 555 558 585 655 656 657 1250 1251 1252 2450 2652 2921 2825 504 2821 12256 12961 M158 Application: Interior (Map, Dome, Trunk,License Plate Light...),and also use for Dashhboard,Side,Indicator,Instrument panel,Seedometer;Shifter,AC panels and other gauges Light;Air conditioning indicating lamp;Center Console,interior light,etc. Widely Used:Universal to all of the cars as long if only the size fits.Common use for Car, Truck, Motorcycle, Scooter, Trailer, RV, Boat, Marine, ect. Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)