It's so easy to Use! The test card plugs into the J2 connector of The Ultimate MPU Board. Setting the game select dipswitch to Enhanced Diagnostics Mode activates the test.

Carry it in your toolbox. Actual Size: 3" * 6"

Manual included.  Instructions also silk-screened on board.

Individually labeled switches. No need to memorize anything.

Improved Solenoid Test - One solenoid can be activated at a time.  No more cycling through all solenoids just to test one!

Improved Lamp Test - Allow you to activate one lamp at a time.  Useful when you have a couple of lamps out that need to be repaired. Or you can active lamps by rows and columns.

Improved Display Test - Any digit can be inserted in any display position. Troubleshooting bad digits on a display is now a snap!

Made and assembled in the USA.

2-foot cable included. Test card can be extended outside the backbox during testing so that all displays are visible.

Only works with the Ultimate MPU Board.

Only one test card needed if you have multiply Ultimate MPU Boards.