{"product_id":"autel-gm-obd1-to-obd2-adapter-cable-gm-12-pin-to-16-pin-converter-durable-metal-contacts","title":"Autel GM OBD1 to OBD2 Adapter Cable — GM 12‑pin to 16‑pin Converter, Durable Metal Contacts","description":"\u003cp\u003e\u003cstrong\u003eAutel's original 12‑pin OBD1 to 16‑pin OBD2 adapter cable converts GM 12‑pin diagnostic ports so you can use modern OBD2 scanners with older GM vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact adapter is a passive converter cable designed to bridge older GM 12‑pin OBD1 sockets and contemporary 16‑pin OBD2 diagnostic tools. It doesn't diagnose on its own or supply power — it simply provides a reliable physical and electrical connection so your compatible scanner and vehicle can communicate. Built from metal and molded plastic, the cable emphasizes durability, stable signal transmission and reduced wear on the vehicle's original connector.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter let me use an OBD2 scanner on older GM cars?\u003c\/h3\u003e\n\u003cp\u003eThe adapter routes the 12 discrete contacts used by many GM OBD1 systems to the standard 16‑pin layout accepted by OBD2 scanners. It is a passive, plug‑and‑play cable — no drivers or additional modules are required. It enables communication where the car and scanner share compatible protocols.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConnects a GM 12‑pin female vehicle port to a 16‑pin male OBD2 scanner.\u003c\/li\u003e\n  \u003cli\u003eWorks with scanners that support GM legacy protocols and functions.\u003c\/li\u003e\n  \u003cli\u003ePlug‑and‑play operation; no software or power supply in the adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich diagnostic tasks can I perform through this converter?\u003c\/h3\u003e\n\u003cp\u003eWhen paired with a compatible scanner or software, the cable allows standard diagnostic operations available through the scanner: reading and clearing trouble codes, viewing live data, performing ECU coding where supported, and running active tests from bidirectional tools. The adapter only enables the connection — the scanner determines available features.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRead and erase diagnostic trouble codes (DTCs) via your scanner.\u003c\/li\u003e\n  \u003cli\u003eAccess live sensor data and system status when supported by the tool.\u003c\/li\u003e\n  \u003cli\u003eUse bidirectional commands and ECU coding if your scanner supports them on the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the Autel adapter reliable and durable for repeated use?\u003c\/h3\u003e\n\u003cp\u003eAutel manufactures this adapter to meet industrial quality standards with metal contacts and precision molded housings. The design reduces wear on the vehicle's OEM connector by acting as the frequently handled interface, and the connector assembly is tested for repeated plug cycles to ensure long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable metal contacts and precision injection‑molded plastic housing.\u003c\/li\u003e\n  \u003cli\u003eTested for tens of thousands of plug\/unplug cycles for longevity.\u003c\/li\u003e\n  \u003cli\u003eStable transmission and anti‑interference construction for dependable diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I verify before buying this GM 12‑pin to 16‑pin cable?\u003c\/h3\u003e\n\u003cp\u003eConfirm your vehicle actually uses a 12‑pin GM OBD1 female port and that your scanner supports the vehicle's diagnostic protocols and functions. This adapter is not a scanner and does not supply power from the car’s port; those requirements are determined by the scanner and vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the car has a 12‑pin OBD1 GM diagnostic port.\u003c\/li\u003e\n  \u003cli\u003eEnsure your scanner supports the GM legacy protocol and desired functions.\u003c\/li\u003e\n  \u003cli\u003eRemember the adapter does not provide power or standalone diagnostic features.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Technicians, DIY enthusiasts and fleet maintainers who own or work on older GM vehicles and want to use modern OBD2 scanners without repeatedly stressing the original port. It's ideal when you need a reliable physical adapter to access legacy GM diagnostics, protect the car’s factory connector, and extend the usefulness of contemporary scanning tools.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this cable power my OBD2 scanner?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The adapter is a passive connector and does not provide power; your scanner must draw power from the vehicle or its own source.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this adapter work with all GM 12‑pin vehicles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits GM 12‑pin OBD1 female ports, but confirm your scanner supports the vehicle's protocol and functions before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Autel","offers":[{"title":"Default Title","offer_id":48087126868126,"sku":"B0FNDB1JPY","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autel-obd1-to-obd2-front-connector.jpg?v=1785917327","url":"https:\/\/northtrailauto.ca\/products\/autel-gm-obd1-to-obd2-adapter-cable-gm-12-pin-to-16-pin-converter-durable-metal-contacts","provider":"North Trail Auto","version":"1.0","type":"link"}