Product Details ●Long life and energy saving. Instant response, faster than traditional lights. Easy installation, no wiring required, direct replacement. ● Used for cars, motorcycles, scooters, trucks, trailers, RVs, boats, etc. ●Application: Replacement for reading light, dashboard light, backup light, etc. Note: Please make sure your bulb is not a T3 wedge socket and if the length of this light fits your vehicle. If the LED does not emit, try to flip it at 180 degrees (reverse the polarity).