Hi, have you looked at these? http://p.uio.pw/wp/?p=340 I may still have some, 40-pin Double Card Edge Connectors from OSH Park. Kandur Tuesday, December 5, 2017, 1:43:04 PM, you wrote: > Hi. Does anyone have a source for the headers and ribbon cable needed to make a y cable for the coco cartridge slot? > Thanks > Sent from my BlackBerry Passport Red Edition.