Heavy Truck 9Pin J1939 to OBD2 Diagnostic Cable
4 week ago
Product details
Shenzhen Fubang Wire Harness Co., Ltd. focuses on customized J1939 vehicle connection assemblies for commercial vehicle maintenance, heavy machinery monitoring and onboard electronic debugging. We own complete in-house production flow including mold development, shield wire processing and multi-item electrical aging testing, supporting small prototype trial orders and mass batch supply for global distributors. When customers develop new truck scanning equipment or aftermarket maintenance kits, our engineering team can adjust pin mapping, cable thickness and connector styles to fit unique equipment requirements. Every finished assembly passes strict RoHS and vehicle-grade quality checks, allowing us to supply stable, long-lasting diagnostic harness to repair workshops, equipment manufacturers and fleet service centers all over the world.
This Heavy Truck 9Pin J1939 to OBD2 Diagnostic Cable is built exclusively for J1939 protocol heavy-duty trucks, solving the signal conversion gap between green circular 9Pin engine ports and universal OBD scanning tools. Unlike short-range passenger car connection lines, this robust wiring assembly is reinforced to withstand continuous vibration under truck chassis, acting as a reliable OBD diagnostic adapter for daily heavy vehicle fault detection and ECU calibration tasks.
| Item | Description |
| Product Name | Heavy Truck 9Pin J1939 to OBD2 Diagnostic Cable |
| Type | Commercial Vehicle J1939 Engine Diagnostic Wiring Harness |
| Voltage | DC 500V Test Voltage, 12V / 24V Working DC, Customized Available |
| Pins Material | Nickel-Plated Brass Terminals, Gold-Plating Optional |
| Plug Material | PA66+GF Automotive Grade Housing, Green Plastic Cummins 9Pin Circular Connector, Black ABS OBDII 16Pin Shell |
| Working Temperature | -40℃~+105℃ Or Customized |
| Length | 600±20mm Standard, Customized Length Available |
| Minimum Insulation Resistance | ≥5MΩ |
| Maximum Conduction Resistance | ≤3Ω |
| Test Standard | 100% Continuity Test, No Short Circuit / Open Circuit / Misalignment |
| Application Fields | J1939 heavy truck ECU diagnosis, commercial vehicle fault scanning, repair shop scanner connection, fleet data monitoring, construction machinery engine programming |
| Specific Shipping Cost | Please Contact Us |
As a standard industrial-grade vehicle diagnostic OBDII cable, it adopts premium UL2464 20AWG multi-core insulated wire inside, paired with nickel-plated brass terminals to keep consistent low resistance during long-hour data transmission. The green J1939 male connector and black OBDII shell are both molded with high-temperature PA66+GF material, resisting engine oil splashes, dust and extreme temperature fluctuations ranging from -40℃ to 105℃. The 600mm standard total length provides comfortable operating space without redundant tangled wires during under-chassis vehicle inspection.
Each cable undergoes DC 500V high voltage insulation test and full continuity inspection before packaging, eliminating risks of open circuits, short circuits or misaligned pins during use. If you need adjusted cable length, modified pin assignment or customized connector housing colors to match your brand equipment, our workshop can remodel every structural detail to create a tailored diagnostic harness aligned with your proprietary diagnostic device standards.
This versatile OBD diagnostic cable fits a wide range of commercial vehicle service scenarios, including J1939 truck fault code reading, engine real-time parameter monitoring, offline ECU program flashing and construction machinery regular maintenance. Its simple plug-and-play design cuts down setup time for maintenance technicians, while durable anti-abrasion outer PVC jacket extends service life under frequent field use. For repair shops and diagnostic equipment suppliers, this J1939 conversion cable serves as an essential universal matching accessory for mainstream heavy truck detection tools.
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Suppliers
Shenzhen Fubang Wire harness Co.,Ltd
Audited supplier
2 year
Main Product:
OBDII CABLE,
Automotive Cable Assembly,
Automotive Cables,
Automotive Wiring Harness,
Custom Wiring Harness,
Energy Storage Harness