Holy shit, this train wreck: https://github.com/jgeorge44/MD-2/blob/main/Photos/EIA_Cable_1.jpg

"Okay now, I'm going to need you to cut the yellow wire"
"Uhh.... "
"and connect it to the other yellow wire..."
"Uhhhhh"
"and make sure neither of them connect to the yellow wire."
"...fuck you."

For those with special vision requirements. The picture linked is of a connector cable that is obviously proprietary. All the cable leads with a few exceptions are yellow. This would be a nightmare to troubleshoot or repair without a manual.