CAT Industrial to Standard J1939 Adapter It is not designed to

It is not designed to go from an OBD2 diagnostic port directly to your computer's RS232 serial port

If you want the ultimate in&nbsp

if you have purchased our MEFIburnTM software and you have a high speed internet connection while connected to the vehicle you want tuned

Check with your vehicle manufacturer to see if the 250k J1939 data is supplied on pins F and G

CAT Industrial to Standard J1939 Adapter It is not designed toThis adapter allows a standard J1939 interface to connect to a CAT industrial Diagnostic Connector. Notice the center pin (A) On the standard J1939 connector, this is keyed with a small tab. On the CAT connector, there is no center pin keying.