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LED turn flasher lamps

Former Community Member
Former Community Member

Good day, folks ?
I've just started changing my rear light cluster to LED bulbs (bulbs go in the ground). And the tail/stop is ok, reverse is ok but when I put the turn/flasher lamp in the lamp holder and fit the flasher unit stops flashing and the lamp just stays on. Now from my point of view it may well be that the load is less and therefore the flasher relay cannot charge the capacitor enough to switch the coil but has anyone had this issue or should I just try another LED lamp. BTW, I also use the LED Series Resistor Calculator to identify the value of current limiting series resistor when driving an array of LEDs, I'm not sure if this calculation is appropriate...I'm not an electrician, so there may be errors.

Has anyone a recommendation for an LED that still looks like a lamp and not a unit with lots of flat LED flat cob dots. Any replies will be appreciated.

Thank you in advance!

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    A 12 volt LED lamp sold for vehicle use should already incorporate a suitable current limiting resistor, or an electronic regulator circuit.

    You dont need to add a series resistor to a ready made lamp. You only need to add a series resistor to a home made array of bare LEDs, not to a ready made lamp.

    The current drawn by a ready built LED lamp, or by a home made array will be much less than that drawn by the originally intended incandescent lamp. It may be insufficient to correctly operate the flasher unit.

    A PARALEL resistor may need to be added across the lamp in order to increase the total current to a figure sufficient to work the flasher. These may be obtained from dealers in vehicle electrical parts.

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    A 12 volt LED lamp sold for vehicle use should already incorporate a suitable current limiting resistor, or an electronic regulator circuit.

    You dont need to add a series resistor to a ready made lamp. You only need to add a series resistor to a home made array of bare LEDs, not to a ready made lamp.

    The current drawn by a ready built LED lamp, or by a home made array will be much less than that drawn by the originally intended incandescent lamp. It may be insufficient to correctly operate the flasher unit.

    A PARALEL resistor may need to be added across the lamp in order to increase the total current to a figure sufficient to work the flasher. These may be obtained from dealers in vehicle electrical parts.

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