12‑Pin OBD1 to OBD2 Adapter Cable for GM Vehicles • Built for Durability and Reliability Crafted from rugged metal and plastic materials, this adapter cable delivers exceptional strength for long‑term or garage use. Resists rust and wear, even under frequent handling, and maintains stable data transmission for consistent performance. • Seamless GM OBD1 to OBD2 Compatibility Specifically designed for GM vehicles equipped with a 12‑pin OBD1 diagnostic port, this adapter allows connection to modern OBD2 tools and scanners. for mechanics servicing older GM cars and trucks, automotive restorers working on classic models, and DIY enthusiasts troubleshooting their vehicles at home. • Simple Plug‑and‑Play Operation No tools, wiring modifications, or special software required. Plug the OBD1 scanner into the 12‑pin connector and attach your OBD2 tool or scanner to the 16‑pin end. Immediately access diagnostic information such as engine fault codes and live sensor data. • Accurate, Reliable Signal Transfer Precision‑crafted pin alignment ensures a secure connection with minimal data loss or interference. Reliable communication between devices enables accurate reading of engine faults, emissions codes, and real‑time operating parameters. • Practical Applications Diagnose and older GM trucks experiencing check engine light alerts using modern scan tools. Access emissions data during restoration work to verify compliance. Troubleshoot drivability issues on classic GM cars without relying on outdated or hard‑to‑find diagnostic equipment. Specifications: Connector Type: 12‑Pin GM OBD1 to 16‑Pin OBD2 Materials: Rugged metal contacts and plastic housing Function: Enables OBD1 to OBD2 diagnostic connectivity Compatibility: GM vehicles equipped with a 12‑pin OBD1 port This adapter cable bridges the gap between older GM diagnostic systems and current‑generation tools, delivering a dependable, professional‑grade solution for automotive diagnostics.