Some developers have reverse-engineered the Tech 1 logic and loaded it onto a microcontroller (like an Arduino Due or Raspberry Pi) housed in a 3D-printed case. These often feature a modern LCD touch screen but emulate the button layout of the original.
The emulator requires binary files (.BIN) of the original GM cartridges. You will need files like the Mass Storage Cartridge (MSC) , GM EFI , Chassis , or Body Systems cartridges depending on what car and module you are diagnosing. 2. The Interface Cable (ALDL to USB) gm tech 1 emulator
The Ultimate Guide to the GM Tech 1 Emulator: Diagnostics for OBD1 Classics Some developers have reverse-engineered the Tech 1 logic