Note: For cable pin-out diagrams please refer to Setup Guide Cable Pinout section
Prepare ATX connector, pins and heat shrink
Begin by taking the end of the cable, that needs a new connector and measure the cable length to match ATX connector body.
Strip cable jacket and remove metal shield
You are left with 4 cables - yellow, brown, white and green.
Prepare 4 pins
Strip each of four cables
Don't strip too much - 2mm would do
Insert each cable into the pin
it should like this where the end of the jacket is held by the pin
Crimp each pin
and check for connection to be secure
Prepare heatshrink and insert each cable according to colour coding as per Cable Pinout diagram in the Setup Guide
Finish off with securing the heatshrink
Check new connector for conductivity.