OBD1 to OBD2 GM Adapter – 12-pin to 16-pin Diagnostic Cable for GM Vehicles
Product Description
The OBD1 to OBD2 GM adapter (12-pin to 16-pin) is the perfect solution for connecting a modern OBD2 fault code reader to older GM cars that use the OBD1 12-pin connector. With this GM OBD1 adapter, you can easily read and clear fault codes, check live data, and perform diagnostics on older vehicles without having to invest in a separate OBD1 reader.
Specifications
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Type: OBD1 (12-pin GM) to OBD2 (16-pin) adapter cable
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Cable length: approx. 20 cm (excl. connectors)
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Material: High-quality copper conductors for stable and fast signal transmission
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Compatibility: Fits older GM vehicles with 12-pin diagnostic port (OBD1)
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Function: Enables the use of OBD2 diagnostic tools on GM OBD1 vehicles
Advantages
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Simple and quick installation – just plug in and start troubleshooting
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OBD2 to OBD1 GM cable for broad compatibility with diagnostic tools
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Robust construction for long lifespan
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Perfect for both hobby users and professional car mechanics
Frequently Asked Questions (FAQ)
❓ Does this adapter fit all GM cars?
No, it is only compatible with older GM vehicles that use the 12-pin OBD1 diagnostic port.
❓ Do I need extra software?
No, but your OBD2 reader must support OBD1 diagnostics via the adapter.
❓ Can I use it to clear fault codes?
Yes, if your diagnostic tool supports clearing codes on GM OBD1 systems.
❓ How do I find my car's OBD1 12-pin port?
It is usually located under the hood near the fuse box, and it is clearly marked.
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