12 Pin OBD1 To 16 Pin OBD2 Convertor Adapter Cable For GM Diagnostic Scanner US

Connect older GM vehicles to modern diagnostic scanners with this 12-pin OBD1 to 16-pin OBD2 adapter cable. Designed for compatibility with pre-1996 GM models, it converts the factory 12-pin diagnostic port into a standard OBD2 interface for use with compatible scan tools.

Seamless OBD1 to OBD2 Conversion

• Converts GM 12-pin OBD1 port to 16-pin OBD2 interface
• Allows use of OBD2 diagnostic scanners on older GM vehicles
• Plug-and-play design with no configuration required
• Adapter cable only – scanner not included

Reliable Data Transmission

• Stable signal communication for diagnostics
• Precision-molded connectors for secure fit
• Helps prevent loose connections and signal interruption
• Resistant to interference during scanning

Durable Construction

• High-quality ABS housing
• Flexible yet sturdy cable design
• Compact and lightweight for storage
• Built for workshop or DIY use

Vehicle Compatibility

• Compatible with GM vehicles equipped with 12-pin OBD1 port
• Commonly used on GM models manufactured before 1996
• Works with standard 16-pin OBD2 diagnostic scanners
• Not compatible with non-GM OBD1 systems

Technical Specifications

Adapter Type: GM 12-Pin OBD1 to OBD2 16-Pin

Connector 1: 12-Pin Male

Connector 2: 16-Pin Female

Material: ABS

Color: Black

Cable Length: Approx. 15.7 inches (40 cm)

Weight: Approx. 3.4 oz (98 g)

Package Includes

• 1 × GM 12-Pin OBD1 to 16-Pin OBD2 Adapter Cable

A practical solution for mechanics and vehicle owners, this adapter enables access to diagnostic data on older GM vehicles using modern OBD2 scan tools.