This JAMMA+ harness, sometimes known as CHAMMA, differs from our standard harness in that it is designed to support player buttons 4,5,6. These buttons are used mostly for fighting games like Street Fighter, and this harness is typically used with Horizontal JAMMA Multiboards such as our Game Elf 750 in 1 or Pandora multi game boards.
This harness will still work with standard JAMMA PCB as well, but you should always verify the wiring with the game board pin-outs. Wires on pins 25,26 and 27 are either unused or ground on standard JAMMA harnesses, but are used for buttons 4,5 and 6 with quick connects.
This harness includes full numbering on parts side.