This adapter allows a standard J1708 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.

Wiring Connections

CAT	Signal	J1708
A	Battery	C
B	Ground	E
C	CAN Shield	-
D	CAT Data Link +	-
E	CAT Data Link -	-
F	J1939-	-
G	J1939+	-
H	J1708-	B
J	J1708+	A

Don't see what you need? Check out our Custom Cables page or give us a call at 310-793-2410. We can custom make nearly any configuration to your specifications.