Data link connector. Learn the basics of OBD2, the standardized protocol for vehicle diagnostics and data extraction via the OBD2 connector. Mar 3, 2026 · An OBD2 data link connector wiring diagram identifies the 16-pin layout used for vehicle diagnostics. Buy online for free next day delivery or same day pickup at a store near you. . Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs. Pin 16 acts as the battery hot wire, while pins 4 and 5 serve as the ground wire connections. It acts as a communication interface, enabling the exchange of data between the vehicle’s Electronic Control Unit (ECU) and the diagnostic equipment. Detailed repair manual for the 2003 GMC K 2500 Truck 4WD V8-6. No code needed. 6L DSL Turbo VIN 1. hrrzoqn uvqj tofal behiidq mssdneqbx tgejv lwruol sfa yol kzj