Merc ECM 864377-005 sans-serif size=2>

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16-pin Old Signal Old J1939 New Signal New J1939 1 24V Battery B 24V Battery B 2 ISO-L Line - J1939+ C 3 J1939- D J1939- D 6 Autolevel Rx - - - 7 - - ISO-K Line - 9 Autolevel Init - - - 10 ISO-K Line - - - 11 J1939+ C - - 12 Signal Ground A - - 13 Chassis Ground - - - 14 Autolevel Tx - - - 15 - - Ground - 15 - - Ground A

and malfunction trouble code reading and clearing (including freeze-frame data)

Older heavy equipment use a J1708 commiunication standard to interface with test equipment and devices using a round 6-pin Deutsch connector

Merc ECM 864377-005 sans-serif size=2>350 Mag BRAVO Also 864377T06<br>864377T05