Check out the dynamic pictures found on the Product Details tab for an idea of how the lights will function.

If you choose Running Light Only (Amber) the lights will only work as an amber LED running light.

If you choose Running Light Only (White) the lights will only work as a white LED running light.

If you choose Signal & Running Light the lights will illuminate as an amber running light, and flash as an amber turn signal. Further explained, if you just have the running lights on, the light will be a solid amber strip. If you activate the turn signal while the running lights are on, the solid amber light will turn off on the side you are using your signal for, and the amber light will flash. After the signal turns off the amber light will turn back on. If your running lights are off the amber signal light will flash like a normal signal.

If you choose Sequential Signal & Running Light the lights will illuminate as an amber running light, and scan as an amber turn signal. Further explained, if you just have the running lights on, the light will be a solid amber strip. If you activate the turn signal while the running lights are on, the solid amber light will turn off on the side you are using your signal for, and the amber light will scan. After the signal turns off the amber light will turn back on. If your running lights are off the amber signal light will scan like a normal signal.

If you choose Switchback the lights will illuminate as a white running light, and flash as an amber turn signal. Further explained, if you just have the running lights on, the light will be a solid white strip. If you activate the turn signal while the running lights are on, the solid white light will turn off on the side you are using your signal for, and the amber light will flash. After the signal turns off the white light will turn back on. If your running lights are off the amber signal light will flash like a normal signal.

If you choose Sequential Switchback the lights will illuminate as a white running light, and scan as an amber turn signal. Further explained, if you just have the running lights on, the light will be a solid white strip. If you activate the turn signal while the running lights are on, the solid white light will turn off on the side you are using your signal for, and the amber light will scan. After the signal turns off the white light will turn back on. If your running lights are off the amber signal light will scan like a normal signal.

Absolutely!

Boost Auto's groundbreaking technology allows you to easily add the turn signal feature without the need for additional wires being run to the cab lights. This is achieved with the use of our innovative S-Series Module. For a detailed step-by-step installation video, please reference the link on the installation tab above.

Our cab lights are offered as a direct replacement to your factory cab lights and they are completely plug and play if you select our Running Light Only options. If you option to add the turn signal function, our easy-to-install S-Series Cab Light Module will get installed under your dash using the factory wiring to send turn signal power to your cab lights.

Our full installation video will walk you through each procedure step by step, and our support team is always happy to help if you have any questions!

If you didn't originally have cab lights we have a solution for you coming soon. Signup using the form below to stay up to date.

All necessary harnesses and hardware will be supplied with your order based on the options you select.

Our S-Series cab lights have been specifically designed to withstand harsh weather conditions such as rain and snow. Using high-quality closed-cell foam gaskets, our lights eliminate any chance of moisture entering the light or water entering the cabin.

Our cab lights are designed to create a tight seal without needing additional sealant or adhesive. To ensure a weather tight seal, we advise against the use of any sealant or adhesive on our lights.

You do not need to drill holes on the roof of your truck. Our cab lights are designed to be direct replacements for your OEM lights.

If you didn't originally have cab lights we have a solution for you coming soon. Signup using the form below to stay up to date.

Absolutely! Our S-Series Cab lights are designed to match in color temperature and timing with the rest of your Boost Auto upgrades.

Our cab lights are specifically designed with a thicker foam gasket than OEM to prevent water intrusion and any leakage. Due to the necessary thicker gasket our cab lights will sit slightly higher than the OEM lights.

If you are careful during headliner drop you will not need to replace these, but in the very unlikely event you do damage them, you can replace them by purchasing OEM part number 11547581

At this time, our cab lights are only designed to fit as a direct replacement for factory cab lights. We will be offering a retrofit kit for trucks that did not originally come equipped with cab lights. To be notified when available, sign up on our form under the product page content

Due to the different cab designs across all body styles of GM trucks, our cab lights are not interchangeable between different body styles. To verify fitment of our cab lights for your truck we recommend inputting your year, make and model on the product page.