CAT Female to CAT Male and J1939 Male Y Adapter We can no longer purchase

We can no longer purchase the original GM parts

On the bottom of the controller is a sticker with a part number

Use this adapter to connect a standard J1939 accessory or test equipment to a CAT 14-pin diagnostic port

ECM555 0501

CAT Female to CAT Male and J1939 Male Y Adapter We can no longer purchaseThis 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