Name: Diode Dynamics 20-21 Sierra 2500/3500 HD LED Sequential Sidemarkers Clear Set
Brand: Diode Dynamics
Price: 409.55 USD
Availability: InStock

Question 1

Are these sidemarkers DOT/SAE approved?

Accepted Answer

The amber lens option is DOT/SAE compliant, ensuring they meet legal requirements for road use. The clear and smoked versions retain the retroreflector optics but may not meet all local regulations. Check your local laws before installing.

Question 2

How do I install the sequential turn signal function?

Accepted Answer

The sequential turn signal function is optional and requires connecting the included plug-and-play harness to the headlight connector. This harness powers the sidemarkers and enables the sequential amber pattern when the turn signal is activated. Refer to the manufacturer's instructions for detailed steps.

Question 3

What is the startup sequence?

Accepted Answer

When the sidemarkers are initially powered on, they illuminate in an intense amber color, starting from the center and spreading outwards to both sides. Once fully illuminated, they gradually transition to the standard running light mode. This startup sequence occurs every time the sidemarkers are turned on.

Diode Dynamics 20-21 Sierra 2500/3500 HD LED Sequential Sidemarkers Clear Set

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