GM Gasoline Engines - ECM

Our professional series programming extensions are perfect for programming ECUs on the bench top. The terminals are crimped with Rennsteig Tooling. They are wired with Automotive TXL Wire for durability.

GM Diesel Engines - ECM

For bench top diesel programming, look no further. Our professional series programming extensions are perfect for programming ECUs for diesel engines on the bench top. Check them out on the next page.

GM Transmissions - TCM

These extensions are used with our Professional Switch Assemblies to program a Transmission Control Module (TCM). Click inside to find out what transmissions we offer this solution for.

GM Body Controllers - BCM

BCM programming harnesses to reprogram GM BCMs on the bench.

GM Marine EFI - MEFI

Get ready to program some MEFI controllers. Our professional series programming extensions are perfect for programming right on the bench top. Click here to see what we have to offer.