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These bright white LED 239 festoon bulbs have been speciallly designed to work in ALL types of cars including those with the canbus wiring system and incorparting "bulb failure" warning systems.

These bulbs are 39mm long.

Common indications of this issue with LED bulbs including intermittent working or flickering, fast flashing or not working at all - as well as the display on your dashboard! This is because LED car bulbs use such low power (less than 1w in most cases) that the car can not feel any resistance in the cuircuit and thinks that the bulbs have blown - hence the warning on the dash display. These bulbs have been designed with built in circuitry that fools the onboard computer that the bulb is now working.

These bulbs are also suitable for 272 and 242 bulb fittings with a festoon style.
canbus Car Bulb Warning Sign

These bulbs are only available in bright white and are sold as a pair

239 12v Festoon Bulb Schematic

239 Festoon Canbus Ready (Needs NO Resistors) Pair
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