Worked right out of the box. hope it stays working.

The ECM is a stock GM TPI 1992. I think it ends in 730. I just bought a Dakota Digital SGI-5E that is supposed to fix this. Sounds like I have a mismatch between 4000 PPM sine and square. I don't...

introduction. 1985 chevy C10 350 TPI 1998 4l60e transmission TCI EZ-TCU controller. I'm trying to get a good VSS signal from the trans/controller to the TPI ECM.