COMMODORE 64/128 DIAGNOSTIC HARNESS FOR C64 586220 AND 4.1.0 & C128 785260 AND 588121 TEST CARTRIDGES (AMONG OTHERS) IT Comes with All The Electronic Components, High Quality PCBS, and Detailled Intruccions for Assembling (PDF File To Download With Step By Step Intruccions and Pictures) If you have submit experience with soldering it's very Easy, now all components are tht. When Fully Assembred, This Kit Will provides Full Test Harness to Test Keyboard Port, Serial Port, User Port, Tape Port and Joystick Ports. Keyboard Dongle Only for C64. Now with Holders for Dongles and Led on User Port. New Purple PCBS, AT First Picture look. 
Only Harness Included, you need to the diagnosis Test Cartridge, Emulate it on your easyflash3 or ultimate. Only The Mentioned Above Cartridges Are Guaranteed.