Solenoid Signal Test board - Williams System 3-11, Data East, Sega

Easy to use test board, to test the solenoid signals on Willams / Data East / Sega MPU boards.  

Built from the same circuit board as the Solenoid / Fuse / Tester.  Includes a single wire with clip (for 5V), indicators for the MPU signals, and female, 9-pin standoff.  Does not include the pass-through header, coil voltage indicators, or fuse clips.  The solder jumper closures are not necessary.

https://youtu.be/5aRJIL-EfnQ

For Testing the MPU Solenoid Signals:  Connect to the header in question, and attach 5v to the Signal Indicators 5v connector point.  An active solenoid signal will light the corresponding red LED.