Hello all-- I'm wondering if anyone has run into this problem before. I have 2 92 Daytona R/Ts; one was purchased recently for parts to finish my first one. As it turns out, the one I bought last month is not in nearly as bad a shape as expected (the guy I bought it from found it in a wrecking yard about 12 years ago. He realized what it was and bought it complete with the intention of fixing it. He never got around to it and I bought it). It has at least a broken rocker, but once I cleaned out all the pack rat turds and nests, it looks like it would be salvageable. At this point, I'm trying to find out what works and what doesn't. The SBEC was disconnected and opened up, so I cleaned the terminals, put some heat sink compound between the chips and cooling fins, reassembled it and put it my first Daytona, which runs fine. With this controller in it, it will turn over and start great, but it only runs for about 1-2 seconds before it shuts off. It can be restarted any number of times and runs smoothly, but will only run for a second or so before it dies. There are no fault codes (I checked multiple times and only get 12 and 55) and I know it's the controller since my original does work alright. One difference between the two cars is that the new one has the factory anti-theft system while my first doesn't (at least, I think it does; there's a hood switch on the fender in the factory spot). Would the engine cutting off be part of the anti-theft system being triggered? I'd think that would all be in the BCM, but I'm not sure. Your thoughts would be appreciated. Thanks!