Commodore 64 / 128 Diagnostic Harness - DIY KIT!

This is a full KIT in order to build your "DIAGNOSTIC HARNESS"  for your C64/C128 for PAL&NTSC computers. New design for easy holding 

Superior quality materials : resistors 1% ,Capacitor AVX, industrial pcb , edge connector real brand new...

Only Harness included . For complete test you need to provide the diagnostic test cartridge


What's in the box?

It comes with all the electronic components (PCBs, resitors, ICs) and detailled intructions for assembling. Available also detailed instructions with pictures...available via mail after purchase

  1. Keyboard dongle for C64 
  2. Serial Port dongle (DIN6 with also internal PCB!)
  3. User port dongle 
  4. Tape Port dongle 
  5. Joystick port control dongle