AsTools | SKU: A0022 / 2.54

GM/Daewoo 12-pins OBD1 – 16-pins OBD2 Adapter Cable | Passenger Car

Name: GM/Daewoo 12-pins OBD1 – 16-pins OBD2 Adapter Cable | Passenger Car
Brand: AsTools
SKU: A0022 / 2.54
Price: 9.95 EUR
Availability: InStock

€9,95 incl.

€8,22 excl.

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The GM/Daewoo 12-pin to 16-pin OBD2 Adapter Cable is specifically designed for connecting older vehicles equipped with a 12-pin diagnostic port. This Adapter Cable functions as an essential bridge between the outdated, brand-specific connection common in older General Motors and Daewoo models and modern diagnostic equipment with a standard OBD2 interface.

The internal wiring of the Adapter connects the specific pins of the ALDL connector (Assembly Line Diagnostic Link) with the corresponding pins of the 16-pin plug, ensuring correct signal transmission. Using this cable requires that the connected reader device is technically capable of communicating the older OBD1 protocols used by the vehicle ECU, as the cable itself only establishes the physical connection.

ADVANTAGES

✔ Enables physical connection between the 12-pin GM connector and universal OBD2 plugs.

✔ Suitable for various older models of Daewoo and General Motors.

✔ Robust construction ensures durable pin-to-pin connection during diagnosis.

KEY POINTS

✕ Contains no electronics for protocol conversion; the diagnostic equipment must include OBD1 software.

✕ Not compatible with standard EOBD/OBD2 scanners that do not support the GM ALDL protocol.

Applications and functionalities

This adapter cable is designed to bridge the physical compatibility gap between older vehicle architecture and modern hardware. Functionality depends on the diagnostic equipment used.

Diagnostic port conversion: Converts the rectangular 12-pin connection to a standard 16-pin female connector.
Read fault codes: Allows access to the ECU to read specific OBD1 fault codes (depending on scanner).
Live data display: Enables reading sensor data on vehicles that support ALDL data stream.

Compatible vehicles and applications

The cable is suitable for vehicles using the 12-pin ALDL diagnostic connector. This mainly concerns models produced before the introduction of the OBD2 standard (around 1996) and specific Daewoo models up to the early 2000s.

Daewoo:

Espero: (1990 - 1997)
Lanos: (1997 - 2002)
Leganza: (1997 - 2002)
Matiz: (1998 - 2005)
Nexia: (1994 - 1997)
Nubira: (1997 - 2003)

General Motors (GM):

Various models: (Pre-1996, with 12-pin ALDL connection)

💡

Good to know: The 12-pin diagnostic port is often located under the dashboard on the driver's side or near the fuse box. Always check if your scanner software supports the pre-OBD2 protocol of GM or Daewoo.

Package Contents

1x GM/Daewoo 12-pin OBD1 – 16-pin OBD2 Adapter Cable | Passenger Car