Breakout board for Toolhead PCBs. With its help, the wiring can also be done separately on the control side of the cable harness.
You can find the source of the circuit and instructions here:
github.com/engineermechanic89/VORON-DOOM-PCB-COMPANION-BOARDS
The 14P connector layout matches that of the Hartk's Afterburner and Stealthburner PCBslayouts.
The Stealthburner and ERCF versions only differ in the inscriptions.