Products: OBD2 Scan Tools GM OBD1 Cables MEFI Scan & Tune MEFI Scan 1-4 MEFI 5 Tune MEFI 5/6 Scan 555 Scan Slingshot Scan Slingshot Tune Marine ECMs Merc 555 ECMs ECM Repair Ramjet Tuning Custom MEFI Tuning Vehicle Connectors J1939 Solutions InjecTimer Extender Cables Adapters Custom Cables Shipping Info Diagnostic Software Instruction Sheets How To Use Video ELM327 Data Sheet Warranty / Returns Contact Us OBD2 Links & Info Internet Forums Our Competitors Beyond Scanning Parts & Accessories Testimonials

CAT Female to CAT Male and J1939 Male Y Adapter CAT Female to CAT Male and J1939 Male Y Adapter Part No CATJ1939Y Weight 0.4 lbs Price $61.00 ea

This 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

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.