Mingching Electronics Technology Co., Ltd. is one of the most professional manufacturers and suppliers of obd2 y adapter in China, also supports customized service. Welcome to wholesale high quality obd2 y adapter for sale here from our factory. Also, free sample is available.
9 Pin to OBD2 Y Cable Adapter – a vital bridge for heavy-duty vehicle diagnostics and connectivity. This Y-shaped adapter features a 9-pin connector on one end and splits into a 9-pin connector and an OBD2 connector, enabling seamless compatibility between heavy-duty vehicle diagnostic ports and standard OBD2 devices.
Built with rugged materials and precise engineering, the 9 Pin to OBD2 Y Cable Adapter ensures stable and accurate signal transmission, even in demanding automotive environments. It's designed to facilitate the connection of OBD2 diagnostic tools, scanners, or telematics systems to heavy-duty trucks, buses, or other commercial vehicles with 9-pin diagnostic ports. Whether you're a professional technician servicing heavy-duty fleets or a fleet manager needing to monitor vehicle health, this adapter offers the versatility and reliability you require. Its plug-and-play design allows for quick and easy installation, with no additional modifications needed.
Product specification
| Type |
OBD2 cable |
| Conductor Material |
Silver-Plated copper |
| Jacket Material | Copper |
| Insulation Material | Rubber |
| Application | Automobile |
| Rated Voltage | 140V |
| Working Temperature | -20°C~80°C |
| Place of Origin | China |
| Model Number |
MC-LA16 |
| Certification | RoHS |
| Length | Customized |
| MOQ |
Small order can be accepted |
| Shelf life | Two Years |
| Service | OEM ODM Accept |
| Express | DHL UPS EMS TNT Fedex |
| Package | PE Bag |
Product Advantages & Features
1. Stable J1939 Electrical Performance for Reliable Signal Transmission
Strictly compliant with the SAE J1939 communication protocol, this harness is designed for stable CAN bus communication. With a characteristic impedance of 120Ω ±5Ω and contact resistance below 10mΩ, it supports typical J1939 bus transmission rates of 250kbps / 500kbps.
The Y-type 1-to-2 splitter design enables simultaneous signal access and data acquisition, minimizing signal loss, ensuring stable data reading, and reducing the risk of communication interruptions and packet loss.
2. Industrial-Grade Durability for Harsh Operating Environments
Designed for demanding vehicle applications, this cable harness provides reliable performance under extreme conditions.
Environmental Specifications:
Operating temperature: -40℃ to +105℃
Protection rating: IP65 for assembled connectors; IP67 for cable body
Protection capability: Resistant to dust, water splash, oil, abrasion, vibration, and mechanical stress
The harness is suitable for trucks, construction machinery, agricultural equipment, and other heavy-duty vehicle applications. It maintains reliable operation under high/low temperatures, vibration, and rough road conditions.
3. Plug-and-Play Design with Strong Compatibility
Featuring standard J1939 connectors, the harness requires no additional modifications or wiring changes.
It can be directly connected to:
Diagnostic tools
Data acquisition devices
Vehicle monitoring terminals
Telematics systems
Compatible with most commercial vehicles and off-highway equipment using J1939 communication systems.
4. Customization Available
We provide flexible customization options to meet different project requirements.
Available Customizations:
Cable length: 0.3m to 10m
Connector options: Various standard J1939 connectors, secondary overmolding, waterproof upgrades
Wire specifications: 22AWG to 16AWG available
Branch structure: Y-type 1-to-2 splitter or multi-branch configurations
Reference Customization Lead Time:
Simple modifications (cable length adjustment / replacement with existing connectors): 3–5 working days
New tooling / secondary overmolding / customized structures: 12–18 working days
5. 100% Factory Inspection & Complete Quality Testing
Every harness undergoes comprehensive testing before shipment, based on SAE J1939 wiring harness testing requirements.
Inspection Items Include:
Continuity and short-circuit testing
Impedance testing (verification of 120Ω ±5Ω bus impedance)
Contact resistance testing (<10mΩ)
Insulation resistance and withstand voltage testing
Visual inspection of crimping quality and assembly condition
These strict quality controls help eliminate poor connections, short circuits, and assembly defects, significantly reducing failure rates after delivery.
Performance Comparison: Standard Cable vs. MC J1939 Dedicated Harness
| Comparison Item | MC J1939 Dedicated Y-Splitter Harness | Generic Cable Harness |
|---|---|---|
| Bus Characteristic Impedance | Strictly controlled at 120Ω ±5Ω, compliant with J1939 standards | Large impedance variation, typically uncontrolled (80–150Ω fluctuation) |
| Typical Error Rate Under Harsh Conditions | Communication error rate <10⁻⁷, stable data acquisition | Error rate >10⁻⁴ under vibration and extreme temperatures, causing packet loss and communication failures |
| Contact Resistance | <10mΩ, stable crimping performance | >50mΩ, prone to heating and intermittent contact |
| Supported Transmission Rate | Stable support for J1939 250kbps / 500kbps communication | Mainly suitable for low-speed communication; unstable at 500kbps |
| Environmental Resistance | Oil-resistant jacket, -40℃ to +105℃, IP65 connector protection | Standard PVC insulation, -20℃ to +70℃, limited protection |
What This Product Brings to Your Business
✅ Save Installation and Debugging Time
The Y-splitter design allows one side to remain connected to the original vehicle wiring while the other side connects to diagnostic or data acquisition equipment. No repeated connector plugging and unplugging is required, significantly improving field testing and troubleshooting efficiency.
✅ Reduce Equipment Failure Rates
By strictly matching J1939 electrical specifications, this harness minimizes signal abnormalities and poor contact issues. It helps prevent diagnostic errors, false equipment alarms, and unnecessary after-sales rework caused by cable problems.
✅ Support Multiple Application Scenarios
Ideal for:
Vehicle repair and diagnostic workshops
Fleet data monitoring
Telematics projects
Vehicle equipment development and testing
One harness solution can meet various business and engineering requirements.
✅ Reduce Overall Procurement Costs
The industrial-grade design provides longer service life and reduces replacement costs. Flexible customization options within defined ranges eliminate the need for secondary modifications of unsuitable standard cables.
Services & Benefits After Cooperation
1. Sample Testing Support
Samples are available for evaluation before bulk orders. Customers can verify actual performance, dimensions, and compatibility with their equipment before mass production.
2. New Customer Benefits
First-time customers receive exclusive first-order discounts. Small trial orders are also available with direct factory pricing, without additional distributor markups.
3. Tiered Volume Purchase Benefits
Small quantity orders:
Starting from 50 sets, customers can enjoy discounted pricing.
Medium and large quantity orders:
Orders of 200 sets or more receive greater discounts, production priority, and free simple cable modifications.
Large volume orders:
Orders of 500 sets or more can be negotiated for additional spare parts support.
4. Fast Technical Support
Our cable harness engineers provide professional assistance during the selection process, including:
Connector confirmation
Cable length selection
Operating environment evaluation
Application requirement analysis
Helping customers avoid incorrect product selection and unnecessary costs.
5. Delivery & After-Sales Guarantee
Standard stock models: Ship within 1–3 working days
Customized orders: Follow the confirmed lead time schedule with production planning provided in advance
Quality issues after delivery: Verified cases are supported with replacement, repair, or return solutions
FAQ
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