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White Automotive & Media Services

Bespoke Upgrades and Replacement Parts for your GM Vehicle

Category: General Notes

Broad engineering observations, documentation updates, platform insights, and miscellaneous technical notes that do not belong to a specific subsystem category. Serves as a catch-all area for valuable guidance and internal WAMS development notes.

DIY-friendly GM electronics installation with OEM-level components from White Automotive & Media Services

DIY-Friendly by Design: Most WAMS GM Upgrades Install Without a Dealer

Posted on December 20, 2025December 19, 2025 by WAMS Tech Notes

Most White Automotive & Media Services products are designed for owner DIY installation using OEM-correct GM parts and VIN-specific programming. This tech note explains what is truly plug-and-play, when outside setup is required, and the clear path WAMS provides for both DIY owners and professional shops.

Customer installing a WAMS-programmed Denali cluster, showing the connector plug and the back of the instrument cluster during installation.

Most WAMS Products Are Fully Plug-and-Play: A Clear Guide to When Outside Setup Is Needed

Posted on December 10, 2025December 30, 2025 by WAMS Tech Notes

Most WAMS upgrades are fully plug-and-play and require no dealer involvement. Only Global B instrument clusters need simple outside setup due to GM’s security marriage procedure. This guide explains exactly what requires what — and why almost all WAMS products can be installed at home.

Side-by-side comparison of a modern GM RPO QR label and an older GM SPID Service Parts Identification label showing where RPO option codes are found.

How to Find and Understand GM RPO Codes (Modern QR Label vs. Legacy SPID Label)

Posted on December 9, 2025December 9, 2025 by WAMS Tech Notes

Introduction Whether you’re diagnosing a vehicle, selecting the correct replacement module, verifying feature content, or ordering a retrofit, your GM… Read more How to Find and Understand GM RPO Codes (Modern QR Label vs. Legacy SPID Label)

Why We Discontinued the Ultium CarPlay & Android Auto Upgrade

Posted on December 7, 2025December 11, 2025 by WAMS Tech Notes

(And why It will likely always be the best) As many people have noticed, our GM EV / Ultium-platform CarPlay and… Read more Why We Discontinued the Ultium CarPlay & Android Auto Upgrade

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