Partsam 2PCS 3157 Switchback LED Bulbs 4057 3156 P27W Dual Color Amber White Front Turn Signal Light High Power LED Light

Key features

• Cross Part Number: 3157 3157A 3057 3155 3157NA 3357 3457 3457A 4057 4114 4157 etc. These will only work for dual function lights that have both the parking/city light and turn signal function in one bulb.
• Socket CK or Standard:If you are not sure your socket type ck or standard, please use the keyword (CK or Standard Test) on youtube,the video will show you how to test the socket.( please check before placing an order, Our bulbs come with Standard Base, NOT CK Type, put standard bulbs into CK type sockets, the bulb will work improperly and may POP THE FUSE
• IMPORTANT NOTICE: (1)Don't forget Risistors if flashing，Blinking or Code error problems occurrs. Please buy resistors in Partsam store by searching ASIN" B01N5OQXUN " if needed. (2)If you bulb does not light or occurrs blinker, please check if your relay is broken and whether your socket is senescent or not.(3) For 7443 and 3157,please raise the pin when installing the bulbs if your bulb does not light or occurrs blinker.
• Please check your vehicles owners manual or the bulb to confirm the bulb size before placing an order. Please measure your stock bulb size before purchasing, make sure the bulb size L 2.49"x Dia.0.7" is same or smaller than your stock ones, then it can fit your vehicle.The lamp compatibility guides also available online.
• Notes: Load Resister will be needed if flashing, blinking or error code problems occurs after installing the bulb.