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Premium 16-3 Pin Auto Diagnostic Harness

The High-performance Automotive Diagnostic Adapter Wire Harness is a specialized connectivity solution designed to bridge the gap between 16 Pin Obd2 systems and 3 Pin devices, featuring a Female to Male Connector design for versatile compatibility.
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  • Robot Wiring Harness 9


Product name OEM/ODM wire harness for different application
Conductor Bare Copper, Tinned Copper, Silver Plated, Gold Plated wire etc.
Cable type UL cable, VDE Cable, Automotive Wires, Medical Cable, High temperature cable, Rubber cable.etc
Cable size 2AWG-32AWG, 0.01mm2-50mm2,1 Core~50 cores are available
Cable material PVC, CPE, LDPE, TPE, HDPE,PE, Fluor copolymer, Oil Res II, Low Smoke Zero Halogen (LSZH) and Polyurethane etc.
Rate temperature 80ºC, 105ºC, 125ºC, 180ºC, 220ºC, 300ºC (176°F- 572°F)
Cable certificate UL, CSA, VDE, CE, RoHS, ISO9001 etc or Customize Special Cables
Cable color,length According to the customers' requirements
Connector Type TE, Amphenol,Deutch, JAE, Hirose, Molex, AMP,JST etc, based on customer's request
Protection pipe PVC tube, Corrugated pipe, Shrink Tube, Braid Tube etc
characteristic Corrosion-resistant, low-smoke halogen-free, tensile, wear-resistant, oil-resistant, temperature-resistant
Application Industrial, Medical, Automotive, Consumer Electronics etc.
Engineering service Support for development and early Design, analysis 2D or 3D drawings
Company Service both OEM and ODM are welcomed
Cable preparation Extruding, Stripping, Tin coating, Twisting etc
Final assembly Bolting,Binding,Shrinking,Extruding,Strain Relief Molding,Inner and Outer Molding etc.
Quality Control 100% inspected according to customer's test requirements before dispatching.
Packaging Inner PE bags with label, outside carton,  or per customer's requirements.
MOQ Defined based on different products and requirements.
Samples Samples will be provided for approval before mass production
Delivery Time 20~30 days
Payment PayPal, Western Union, L/C, T/T


Product Overview


Engineered for precision and durability, this harness caters to automotive technicians, industrial equipment operators, and medical device manufacturers seeking reliable signal transmission. It combines premium conductors, robust insulation, and corrosion-resistant components to deliver consistent performance in diverse environments—from busy auto repair shops to industrial facilities and medical labs. As a flexible 16 Pin to 3 Pin Connector Harness, it simplifies cross-device compatibility, eliminating the need for multiple adapters and reducing downtime.



Automotive 16 Pin to 3 Pin Female to Male Connector Diagnostic Adapter Wire Harness
Automotive 16 Pin to 3 Pin Female to Male Connector Diagnostic Adapter Wire Harness


Scenario-Based Solutions


Automotive Diagnostic Workflows

Auto mechanics often face compatibility issues between diagnostic tools and vehicle Obd2 ports. This Automotive Diagnostic Adapter Wire Harness resolves this by converting 16 Pin connections to 3 Pin, enabling seamless communication between standard diagnostic equipment and vehicles with unique 3 Pin interfaces. It ensures fast, accurate data transfer, helping technicians diagnose engine faults, electrical issues, and performance problems efficiently.


Industrial Equipment Integration

In industrial settings, machinery such as production line sensors, control panels, and automated systems often require specific connector configurations. This harness acts as a universal adapter, connecting 16 Pin industrial controllers to 3 Pin peripheral devices. Its low-smoke halogen-free design makes it safe for enclosed industrial spaces, reducing fire and toxic fume risks.


Medical Device Connectivity

Medical equipment like portable monitors, diagnostic scanners, and treatment devices sometimes use 3 Pin connectors for power or data transfer. The harness’s high-performance conductors ensure stable connections, preventing signal loss that could impact diagnostic accuracy. Its temperature-resistant properties make it suitable for medical environments where equipment operates continuously.


Product Features


Exceptional Compatibility

Designed as a 16 Pin to 3 Pin Female to Male Connector adapter, this harness works with a wide range of automotive models, industrial machinery, and medical devices. It supports standard Obd2 protocols and 3 Pin interface standards, making it a versatile addition to any toolkit.


Robust Durability

Constructed with corrosion-resistant materials and wear-resistant insulation, the harness withstands frequent plugging/unplugging, mechanical stress, and exposure to oils, chemicals, and dust. It maintains performance in extreme temperatures, from cold garages to heated industrial facilities.


Safe and Eco-Friendly Design

The low-smoke halogen-free cable material reduces environmental impact and enhances safety in enclosed spaces. In the event of overheating, it emits minimal toxic fumes, complying with industrial and medical safety regulations.


Tensile and Flexible Construction

The harness features a tensile design that resists stretching and breakage, even when pulled or twisted during installation. Its flexibility allows easy routing through tight spaces in vehicles, machinery, or medical equipment, simplifying setup and reducing installation time.


Product Details


Conductor Options

Available with bare copper, tinned copper, silver-plated, or gold-plated conductors, the harness can be tailored to specific conductivity and corrosion-resistance needs. Gold-plated conductors are ideal for high-precision applications like medical diagnostics, while tinned copper offers cost-effective durability for automotive use.


Cable and Insulation Materials

The cable is crafted from high-quality materials such as PVC, TPE, and fluor copolymer, balancing flexibility and protection. Insulation layers prevent short circuits and external interference, ensuring stable signal transmission even in noisy electrical environments.


Protection and Assembly

Equipped with protective components like PVC tubes, corrugated pipes, and shrink tubes, the harness shields internal conductors from physical damage. The final assembly includes processes like bolting, binding, and strain relief molding, enhancing structural integrity.


Customization Services


Cable Specification Customization

We offer personalized cable color and cable length options to fit your application’s unique requirements. Whether you need a compact harness for portable medical devices or a longer length for industrial machinery, our team adjusts dimensions to match your setup.


Connector Type Adaptation

Beyond standard Molex, TE, and Deutsch connectors, we integrate custom connector types based on your needs. Whether your equipment uses JAE, Hirose, or AMP connectors, we ensure seamless compatibility through tailored adapter designs.


OEM/ODM Engineering Support

Our OEM and ODM services include full design and development support—from 2D/3D drawing analysis to prototype testing. We collaborate with your team to create branded or specialized harnesses that align with your product’s functional and aesthetic requirements.


Production Flexibility

We accommodate both small-batch orders for niche applications and large-scale production for industrial or automotive manufacturers. Our quality control process ensures consistent performance across all order sizes, with thorough inspection before dispatch.



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Changsha Sibel was established in 2017, mainly engaged in connectors, power cords, power plugs, wiring harness and related technical services, etc.

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