Troubleshoot your pinball machine like a pro. The ALLTEK Bally/Stern Ultimate Test Card is the must-have diagnostic tool for testing and maintaining your classic Bally and Stern pinball machines. Compact, powerful, and easy to use, this board makes identifying and fixing issues fast and frustration-free. Main Features: Plugs directly into the J2 connector of The Ultimate MPU Board Easy setup: activate Enhanced Diagnostics Mode with the dipswitch Small and portable (3" x 6") — perfect for your toolbox Manual included, with silk-screened instructions on the board Individually labeled switches for simple operation Improved Solenoid Test: trigger one solenoid at a time—no cycling required Improved Lamp Test: activate lamps by rows, columns, or individually Improved Display Test: input any digit to quickly test display positions Works with single or multiple Ultimate MPU Boards 100% compatible with all ALLTEK Ultimate MPU Boards Built for pinball technicians and collectors alike, this test card saves time, reduces guesswork, and keeps your classic games in top condition.