LED Dedicated DRL Voltage?

[hiilong]

Does anyone know the voltage for the LED Dedicated DRL? I just got mine installed, and enabled all the DRL and LED settings using AlfaOBD. I notice there is an option to adjust DRL Voltage. I left it alone, but I was curious if anyone in this community knew what that value is from factory . I saw it was using a default value of 11V. I assume the voltage corresponds to how bright the DRL can be.

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[Carolina Jeeper]

Typically the brightness of LEDs is not controlled simply by raising or lowering the voltage but rather pulse width modulation. Not sure about our Jeeps. There must be an LED driver circuit and it's controlled by on or off control signals.
I'm going to say it's similar to how tail lights and brake lights are controlled.

 

[DavidArmen]

Are we sure the JL LEDs are controlled using PWM?

Typically the brightness of LEDs is not controlled simply by raising or lowering the voltage but rather pulse width modulation. Not sure about our Jeeps. There must be an LED driver circuit and it's controlled by on or off control signals.
I'm going to say it's similar to how tail lights and brake lights are controlled.

 

[Carolina Jeeper]

Are we sure the JL LEDs are controlled using PWM?

No. I don't know about our Jeeps, but it's most likely PWM instead of a variable voltage.

LEDs switch on and off. They don't actually perform brightness changes through lower and higher voltage changes like incandescent lights do.

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