Get accessories for your programmer or tuner and add functionality to the OBDII port on your 1982-2000 Chevy/GMC 6.2L/6.5L Diesel with the OBDII Splitters & Accessories available. Find the accessories you need for your tuner, programmer, or module including extension cables and OBDII port covers. If you're looking to add extra electronic accessories that utilize the OBDII port on your vehicle an OBDII Splitter is the solution you need. Shop for OBDII Splitters & Accessories from brands like Bully Dog Technologies, Diablosport, SCT, all available at XDP.