WY21W 21W LED replacement

[paswotz]

Hello,

I have tried to replace the halogen indicators on my MG4 with LEDs.
Unfortunately, they flash about twice as fast, which is why I have removed them.

Does anyone know which lamps i can use and work without any issues?
And do I really have to disconnect the battery for the replacement?
I have tried these: link

Please note that I live in Germany.

Thanks!

 

[GrayCat]

You will need about 15 Ohm (12 Wt minimum) ballast resistors in order to satisfy the Lamps' diagnostics.

 

[Sherodub]

You will need about 15 Ohm (12 Wt minimum) ballast resistors in order to satisfy the Lamps' diagnostics.

above correct, car reads lower LED lamp resistance as no bulb present and then as an indicator of this like all cars, flashes lights faster.

 

[Bricktop X PWR]

Hello,

I have tried to replace the halogen indicators on my MG4 with LEDs.
Unfortunately, they flash about twice as fast, which is why I have removed them.

Does anyone know which lamps i can use and work without any issues?
And do I really have to disconnect the battery for the replacement?
I have tried these: link

Please note that I live in Germany.

Thanks!

Post in thread 'Led rear indicator and reverse lamps' Led rear indicator and reverse lamps

Click to expand the adyc link.


I've fitted rear indicators, Reverse Lights and interior all in LED bulbs.

Very impressed , normal flash rate and no errors.

 

[dsimpkins]

You will need about 15 Ohm (12 Wt minimum) ballast resistors in order to satisfy the Lamps' diagnostics.

Is changing the flasher relay to one suited to LED lamps an option. It is on some cars, but maybe not MG4?

 

[paswotz]

Post in thread 'Led rear indicator and reverse lamps' Led rear indicator and reverse lamps

Click to expand the adyc link.


I've fitted rear indicators, Reverse Lights and interior all in LED bulbs.

Very impressed , normal flash rate and no errors.

Unfortunately, the product is not available in Germany. I'm surprised that the LEDs work, they also have little wattage?

 

[GrayCat]

Is changing the flasher relay to one suited to LED lamps an option. It is on some cars, but maybe not MG4?

Nowadays, "flasher relay" is an IC on a PCB deep inside the BCM module (typically). Yes, you can reverse enigineer part of its schmatics, and solder some sort of "diagnostics deceiver" right into the PCB.... But, If you had the skills for such an intrusion — you would already know the answer to this question!