Truck Trailer 7Pin Male & Female Socket to OBD2 Diagnostic Adapter Cable with DC Power Plug

4 week ago

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Shenzhen Fubang Wire harness Co.,Ltd

 2 year year

Product details

This Truck Trailer 7Pin Male & Female Socket to OBD2 Diagnostic Adapter Cable with DC Power Plug is an all-in-one conversion assembly designed exclusively for heavy truck trailer detection scenarios, combining 7-pin trailer signal ports, standard OBD interface and independent DC power supply terminal into one integrated wiring set. Unlike single-function straight-through connection lines on the market, this harness solves two core pain points of trailer maintenance at the same time: signal conversion between trailer 7Pin ports and scanning tools, and external power supply for low-power diagnostic equipment, acting as a multi-functional OBD diagnostic adapter for daily trailer fault inspection.

As a heavy-duty optimized vehicle diagnostic OBDII cable, it adopts thickened weather-resistant PVC outer sheath and multi-core color-coded copper internal wires to resist vibration, engine oil splashes and temperature fluctuation between -40℃ and 105℃. All contact terminals inside each connector are nickel-plated brass, maintaining ultra-low conduction resistance during long-hour continuous data transmission, without signal attenuation or disconnection when detecting trailer lighting circuits, brake systems and ECU operating parameters. The PA66+GF high-strength plastic housing equipped with metal locking buckles prevents loose plugging caused by vehicle bumping during field maintenance.

The standard total length reaches 1500mm, and we support full customization of branch length, wire gauge and pin assignment according to customer equipment specifications. Before packaging, every cable undergoes 100% continuity test, 500V high voltage insulation test and tensile test to eliminate hidden dangers such as open circuit and short circuit. If you need to adjust the combination mode of connectors or add extra signal channels, our workshop can remodel all structural details to create a tailor-made diagnostic harness that perfectly fits your proprietary trailer detection devices.

Item	Description
Product Name	Truck Trailer 7Pin Male & Female Socket to OBD2 Diagnostic Adapter Cable with DC Power Plug
Type	Heavy Duty Commercial Vehicle Trailer Diagnostic Wiring Harness
Voltage	12V / 24V DC, Customized Available
Pins Material	Nickel-Plated Brass Terminals, Gold-Plating Optional
Plug Material	PA66+GF Automotive Grade Plastic Housing, Metal Lock Buckle, Black PVC Cable Jacket, Red Waterproof Socket Cap
Working Temperature	-40℃~+105℃ Or Customized
Length	1500mm Standard, Custom Length Supported
Minimum Insulation Resistance	≥10MΩ
Maximum Conduction Resistance	≤3Ω
Wire Specification	Multi-Core Automotive Insulated Copper Wire, Weather-Resistant Outer Jacket
Connector Configuration	7-Pin Trailer Male Plug, 7-Pin Panel Mount Female Socket, OBDII 16Pin Male Connector, DC Barrel Power Plug
Application Fields	Heavy truck trailer diagnostic connection, commercial vehicle trailer lighting system testing, fleet trailer fault code reading, truck repair shop diagnostic tool matching, trailer ECU data detection, towing vehicle signal conversion wiring
Specific Shipping Cost	Please Contact Us

This integrated wiring assembly has a wide range of practical application scenarios beyond simple trailer signal reading. It can be used as an extended matching OBD diagnostic cable for mainstream truck fault scanners, real-time monitoring of trailer electrical system data, offline calibration of trailer control units, and routine safety inspection of fleet towing vehicles. The independent DC power plug also avoids the trouble of insufficient power of handheld diagnostic equipment during outdoor operations, greatly improving the work efficiency of maintenance technicians. Balancing integration, durability and compatibility, this multi-port trailer conversion cable has become an essential supporting wiring accessory for commercial vehicle repair and fleet monitoring industries.

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Shenzhen Fubang Wire harness Co.,Ltd

 Audited supplier

2 year

Address: Shenzhen, China

Main Product: OBDII CABLE , Automotive Cable Assembly, Automotive Cables, Automotive Wiring Harness, Custom Wiring Harness, Energy Storage Harness

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