Inside SEMA 2025: John Ludwick’s Auto Union Build & Why He Trusts Power Probe

Join us at SEMA Show 2025 for a special interview with John Ludwick (@LudwickGarage), where he walks us through his insanely clean and fully rewired Auto Union 1000 SP—a build finished literally hours before hitting the show floor.

For the first time, John used Power Probe tools on one of his projects, including the PP3 for fast, accurate power testing during his last-minute wiring crunch.
From troubleshooting on zero sleep—with help from his 70-year-old dad—to powering circuits safely without cutting extension cords, John shares how the PP3 saved the project more than once.

We also talk about his next massive build: a 31-foot 1946 Greyhound bus that will require serious circuit tracking with the ECT3000. If you're into wiring, fabrication, vintage builds, or professional diagnostics, this interview is for you.

🚗 About John Ludwick
Known for his vintage euro builds, creative fabrication, and insane attention to detail, John brings a unique style to everything he touches. Check out his channel to follow the Auto Union and Greyhound Bus projects.

👉 Watch Ludwick Garage: / @ludwickgarage

If you liked the AUTO UNION footage in this video you can watch that and much more in his full SEMA show video here:
• MY BAGGED AUTO UNION 1000SP AT SEMA 2025! ...

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