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AUTOOL 41CM OBD2 Extension Cable Connector for GM12pin OBD2 Adapter Wire Nylon OBDII Male to Female Extension Cord
US$11.00
Key Features
- GM Adapter
- 41cm Reach
- Copper Core
- GM Adapter: Built as a GM-specific diagnostic adapter cable, but the exact pin format should be confirmed before use.
- 41cm Reach: A roughly 41cm lead adds room to position the connected tool more comfortably.
- Copper Core: Pure copper conductors are described to support faster transmission and steadier performance.
- 3-Year Warranty Main unit 3 years · Accessories 1 year
- 90-Day Returns Eligible returns within 90 days
- Official Store Genuine products · Direct support
AUTOOL GM12 OBD2 Cable
Product Overview
The AUTOOL GM12 OBD2 extension adapter cable is designed to connect a GM 12-pin vehicle diagnostic interface with a compatible OBD2 16-pin diagnostic tool. It uses a pure copper core, flexible insulated outer material, and a protective nylon braided sleeve to support stable diagnostic communication and repeated workshop use.
GM 12 Pin To OBD2 16 Pin 410mm / 41cm Pure Copper Core Nylon Braided Sleeve
410mmCable Length
125gProduct Weight
10,000+Plug Test Design
3 YearsSupport
Click to enlarge
Click to enlargeCompatibility And Fitment
Compatibility And Fitment
This cable is an adapter-style extension cable for vehicles with a GM 12-pin diagnostic interface and diagnostic tools that use an OBD2 16-pin connector. Confirm both connector shapes before purchase to avoid choosing the wrong cable.
GM 12-Pin Vehicle Side
Use this cable only when the vehicle diagnostic port matches the GM 12-pin style shown in the product images.
OBD2 16-Pin Tool Side
The tool side is made for compatible diagnostic tools with a 16-pin OBD2 socket or connector interface.
Verify Before Purchase
Do not rely only on vehicle year or brand name. Compare the actual port shape and pin layout with the product image before ordering.
Click to enlargeKey Features
Key Features
AUTOOL uses pure copper wiring, flexible insulated outer material, nylon braided protection, and an inspection process from injection to molding to improve durability for repeated plug-in diagnostic work.
Pure Copper Core
The inner wire uses a pure copper core to help support stable diagnostic signal transmission and reliable tool communication.
Flexible Insulated Outer Layer
The outer layer uses flexible TPE / TPT-style material described for insulation, flexibility, and everyday workshop handling.
Nylon Braided Sleeve
The protective nylon braided sleeve adds wear resistance and helps protect the cable from pulling, bending, and daily use.
8-Step Inspection Process
AUTOOL applies a production and inspection process from injection to molding to help ensure stable cable quality.
Frequent Plugging Design
The cable is designed for more than 10,000 plug-in uses under proper handling, making it suitable for repeated diagnostic connection work.
Compact 410mm Length
The 410mm / 41cm length gives extra working reach without creating excessive cable bulk around the diagnostic port.
Click to enlarge
Click to enlarge
Click to enlargeSpecifications
AUTOOL GM12 OBD2 Cable Specifications
Key specifications are organized from the supplied product content and specification images. Because the listing text contains mixed wording, the connector description is kept conservative: GM 12-pin vehicle side to OBD2 16-pin diagnostic tool side.
| Core Specifications | |
| Product | AUTOOL GM 12 Pin To OBD2 16 Pin Extension Adapter Cable |
| Vehicle-Side Connector | GM 12-pin diagnostic interface |
| Tool-Side Connector | OBD2 16-pin diagnostic connector for compatible diagnostic tools |
| Cable Length | 410mm / 41cm / 16.14in |
| Product Weight | About 125g |
| Material | Nylon braided sleeve, flexible TPE / TPT-style insulated outer material, pure copper core |
| Use Type | Diagnostic adapter / extension cable |
| Durability Design | Designed for more than 10,000 plug-in uses under proper handling |
| Inspection | 8 inspection steps from injection to molding according to the product content |
| Compatibility Reminder | Confirm the GM 12-pin vehicle port and OBD2 16-pin diagnostic tool connector before purchase |
Click to enlarge
Click to enlargeCore Specifications
ProductGM 12 Pin To OBD2 16 Pin Adapter Cable
Vehicle SideGM 12-pin diagnostic interface
Tool SideOBD2 16-pin diagnostic connector
Length410mm / 41cm / 16.14in
WeightAbout 125g
MaterialNylon sleeve, flexible insulated outer layer, pure copper core
UseDiagnostic adapter / extension connection
Click to enlargeWhat Is In The Box
What Is In The Box
The package includes one AUTOOL GM 12-pin to OBD2 16-pin extension adapter cable. The packing list uses one product-list image only, so the buyer can quickly confirm the cable and packaging style without extra image clutter.
Main Item1 × AUTOOL GM 12 Pin To OBD2 16 Pin Extension Adapter Cable
PackageRetail package bag shown in the product-list image
Not IncludedDiagnostic scanner, vehicle, and other test equipment are not included
Before You Order And Use
Before You Order And Use
This is a connector-specific diagnostic cable. Check the connector type carefully before ordering and avoid forcing the cable into an unmatched port.
Confirm GM 12-Pin Port
Make sure your vehicle uses the GM 12-pin diagnostic interface shown in the product images.
Confirm OBD2 16-Pin Tool Side
Use this cable with compatible diagnostic tools that match the OBD2 16-pin connection side.
Do Not Force Insertion
If the connector does not align smoothly, stop and recheck the port shape and pin layout before use.
Adapter Cable Only
This product is an extension adapter cable. It does not perform diagnostics by itself and must be used with a compatible diagnostic tool.
Use Under Proper Handling
Avoid excessive pulling, crushing, twisting, or bending near the connector ends to preserve cable life.
Length Reference
The specification image shows 410mm / 41cm / 16.14in. Use this value as the practical cable length reference.
Questions And Answers
These answers help confirm connector fitment, cable length, material, package contents, and proper use before ordering.
This cable is for a GM 12-pin vehicle diagnostic interface. Before ordering, compare your vehicle diagnostic port with the GM 12-pin connector shown in the product images.
The tool side is made for compatible diagnostic tools using an OBD2 16-pin connector interface. Confirm your scanner or diagnostic cable side before purchase.
No. This page is organized as a GM 12-pin to OBD2 16-pin adapter-style extension cable. It should not be treated as a universal standard 16-pin to 16-pin OBD2 extension cable.
The specification image shows a 410mm cable length, which is about 41cm or 16.14in. This is the recommended practical length reference for the page.
The cable uses a pure copper core, flexible insulated TPE / TPT-style outer material, and a protective nylon braided sleeve. These materials are used to improve signal stability, flexibility, and durability.
The package includes 1 AUTOOL GM 12 Pin To OBD2 16 Pin Extension Adapter Cable and the retail package bag shown in the product-list image. Diagnostic scanners, vehicles, and other test equipment are not included.
No. If the connector does not fit smoothly, stop using it and recheck the connector shape and pin layout. Forcing the cable may damage the vehicle port, diagnostic tool connector, or cable pins.
Warranty And Contact
Warranty And Contact
If you are not sure whether this cable matches your vehicle or diagnostic tool, contact AUTOOL Store with photos of your vehicle diagnostic port and scanner connector before ordering.
Pre-Sales And Product Support
Use support to confirm GM 12-pin vehicle compatibility, OBD2 16-pin diagnostic tool connection, cable length, package contents, and after-sales questions.
- Connector confirmation before ordering
- GM 12-pin vehicle port and OBD2 16-pin tool-side checks
- Package and cable specification confirmation
- 3-year support for eligible non-human damage cases
- After-sales support for connector or cable issues
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