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Model S p85d insane mode el toro air field 4-24-15

AFAIK LEDs are not fired but typically supplied with a constant DC voltage. Yes, if that DC voltage is particularly dirty and rippled then you can see some LEDs flicker.

But that car exhibited a particular sequence while it doesn't appear that the other cars had. It also looks like the tail lights were pulsing as well. I suspect this was a deliberate mod. I can't see how rippled DC voltage supplied to LED lamp assemblies would generate such a specific pattern that meets up exactly right in the corner.
 
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AFAIK LEDs are not fired but typically supplied with a constant DC voltage. Yes, if that DC voltage is particularly dirty and rippled then you can see some LEDs flicker.

But that car exhibited a particular sequence while it doesn't appear that the other cars had. It also looks like the tail lights were pulsing as well. I suspect this was a deliberate mod. I can't see how rippled DC voltage supplied to LED lamp assemblies would generate such a specific pattern that meets up exactly right in the corner.

LEDs are also frequently driven by PWM for brightness control.
 

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