DrewlinQ GMC Topkick/Kodiak--Part#: CBL-DL-GMC-TK--Custom OBDII Cable
GMC Topkick/Kodiak--Part#: CBL-DL-GMC-TK--Custom OBDII Cable
Both the GMC and Chevrolet trucks with CAT engines have slightly different wiring for the OBDII connector. There are also some F-Series Isuzu trucks using this unique wiring as well. Protocols used on this equipment includes J1508, J1587, and J1962.