Auxbeam B21 Series 3157 LED Bulbs Amber Yellow Built in Resistor CANBUS Error Free Anti Hyper Flash 3457 4157 Bulb 600 Super Bright Turn Signal Light Need Resistors for Some Trucks

CANBUS ERROR FREE Super compatible for 99 Vehicles No hyper flash no errors no warning With builtin 2023 CANBUS system these 3157 amber bulbs can directly alleviate decoding problems without trouble to prepare external resistors Note Auxbeam offers 1year warranty For some super few sensitive models or if you replace the rear turn signal for PickupTruckLorry extra resistors may be needed or message us to get 600 EXTREMELY BRIGHT Sequencing 36PCs Upgraded high brightness 3030 SMD chips precisely around each 3157 led bulb 28W per bulb High Power and 600 brighter providing 3500K Amber Yellow light for turn signals Stronger light penetration output for 40 more visibility than ordinary leds Instanton response without warmup time 360 illumination without dark spot brighter and safer when turning DUAL BRIGHTNESS This 3157 amber led bulb with resistor supports dim mode for only parking light or daytime running light DRL and bright mode for only turn signal light When used as turn signal bulbs the 3157 led bulb with built in resistor flash amberoffamberoff making it easier to see from a distance 4LAYER COOLING SYSTEM IP68 waterproof and dustproof The builtin 2023 stable current IC driver avoids digital or VHF radio signal interference The 2023 latest cooling system 12 000RPM silent fan Copper cooling ring 16PCs heat sinks 6063 aviation aluminum lamp body directly doubles heat dissipation ensuring longer lifespan up to 60 000 hours NOT FIT CK SOCKETS Each 3157 led bulb provides 360 full illumination without dark spot or shadow These bulbs are not fit for the model Acura Subaru Honda Nissan and Toyota as they require CK sockets Only compatible for US standard sockets Fit socket 3056 3156 3157 3157A 3157NA 3157NAK 3157K 3047 3057 3357 3457 4057 4157 3757 4157NA T25 etc No polarity no drilling no wiring no damage just Plug and Play If any questions or flashing issues please message us for free solutions