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A lot of folks have used the Digital Guard Dog RFID push button start system. They have a whole suite of options. The most common I've see for our builds is their PBS-I and PBS-II. These give you the push button start plus some options for door locks or poppers. They retail for between $580-$660 plus tax. After reading the installation and operating instructions one of the features of the unit is it has 2 accessory output signals (not a fan of that feature as it makes selecting ACC mode a touch more complicated at least from what I have read from others) and it requires you to operate the brake to both start and shut down. I realize this is the case for any modern car (for start anyway) but I have a manual transmission with a neutral safety switch so I feel like that is sufficient protection from accidental start (it's jumpered out during this phase of the build but will be active down the line). I feel like for a custom car this is enough.
I ended up going with the PBS-M (Marine) version. This operates exactly the same way but only has a single accessory output and doesn't require a brake signal. It's also a huge bonus that it was $340 delivered after tax. It's listed at $349 on the website but I called to order and the lady on the phone just kept taking money off so no matter what unit you use you should call directly.

I did a test run using the switch as a connector for wiring. It only needs the 4 wires from the switch (12v bat, acc, run and starter) and a ground. You can set it in manual (push the button on the fob to disarm) or automatic (uses proximity). According to several folks on this forum you should not use proximity as it kills the battery pretty quick in the FOB.
Anyhow here is my test run. It went well.
Last edited by Blitzboy54; 03-24-2025 at 09:08 AM.
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