CAT Female to CAT Male and J1939 Male Y Adapter the inventor and maker of

the inventor and maker of the ELM327 chip closed its doors in mid 2023

A critical step in the tuning process is the ability to upload and download programs between your MEFI controller and your PC or laptop

ECM555 0202

ECM555 0501

The Green connector is available with a locking ring and without a locking ring

CAT Female to CAT Male and J1939 Male Y Adapter the inventor and maker ofThis Y adapter allows a standard J1939 interface to connect to a CAT industrial Diagnostic Connector and still allow an open CAT interface. Wiring Connections CAT Female Signal CAT Male J1939 Male A Battery A B B Ground B A C CAT Shield C D CAT Data Link + D E CAT Data Link E F J1939 F D G J1939+ G C H J1708 H G J J1708+ J F