The correct pinout for the original GPT cable (14P600KT06) is:
KSuite (typically version 2.23 or 2.25 is paired with 7.020 hardware). How to read Mercedes EDC17CP57 with Ktag 7.020 GPT cable
that utilizes both standard power/CAN lines and specific GPT (General Purpose Timer) signals for password reading and unlocking The correct pinout for the original GPT cable