Automotive From britelites on Amazon

This bulb is for the 10 mm base to fit as shown in the photo. If yours is 8 mm, please select T3 model: Amazon ASIN # B013HJ1A4A. If yours is 12 mm, please select T4.7 model: Amazon ASIN # B09V2TXXHT

If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity.

Please try to pull the pins on the base outwards a little in case the bulb is slightly loose or no good contact in the socket.

This bulb is for the 8 mm base to fit as shown in the photo. If yours is 10 mm, please select T4.2 model Amazon ASIN # B013HJGOAA. If yours is 12 mm, please select T4.7 model Amazon ASIN # B09V2TXXHT

If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity.

Please try to pull the pins on the base outwards a little in case the bulb is slightly loose or no good contact in the socket

* If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.

- If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.

- This bulb is used for Boat Light Bulb, Marine Light Bulb, Camper Travel Trailer LED Light Bulb, RV Interior LED Light Bulb, boat's Stern Light, patio deck lighting, closets, step wells, basement compartment lighting and reading lamp light etc.

- Double Contact Bayonet: The BA15D base has TWO contacts on the bottom and two parallel lugs on opposing sides of the base 180 degrees apart. (one +, one - on the bottom). Please flip it as 180 degree opposing sides try again if it not light up!

- Please refer the bulb's polarity differences at the photo #3. Car signal light bulb has two modes light intensity (High/Low)

- LED : PREMIUM SMD5050(3chip) x 1P. - Color : Blue

JTECHnow britelites has satisfied customers worldwide with superior product quality manufactured by the Latest Technology and Service.

* If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.

- Input : 12V, No UV or IR radiation. Applications: instrument cluster panel light, dashboard gauge indication bulb, interior light

- Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)

* * If they don't light after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity; Also, try to pull the pins on the base outwards and sidewards a little in case the bulb is slightly loose in socket; ***** It is not recommendable to use outside such as License Plate Light, Please be sure to seal the cover well to protect the bulbs, Otherwise, It will be flickered or burn out by short circuit due to water/moisture penetration

* * If they don't light after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity; Also, try to pull the pins on the base outwards and sideward a little in case the bulb is slightly loose in socket; ***** It is not recommandable to use outside such as License Plate Light, Please be sure to seal the cover well to protect the bulbs, Otherwise, It will be flickered or burn out by short circuit due to water/moisture penetration

- If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.

- If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.