J1939 Test Female Connector Harness
3 month ago
Product details
This J1939 Test Female Connector Harness is purpose-built for reliable, repeatable diagnostics on J1939-compliant heavy-duty vehicles, including trucks, buses, and construction machinery. It features a standard J1939 female port that interfaces directly with vehicle systems, splitting into two practical terminations: a DC power barrel connector and a multi-core open wire end for flexible signal and power access.
As a precision-engineered automotive wiring harness, this assembly is constructed with UL2464 certified multi-strand copper conductors and a durable black PVC jacket, ensuring consistent electrical performance even in vibration-heavy workshop environments. The molded connector housing provides a secure, stable fit during extended testing, eliminating intermittent connections that can compromise diagnostic accuracy.
| Item | Description |
| Product Name | J1939 Test Female Connector Harness |
| Connector Configuration | • P1: J1939 9Pin female connector (Cummins 9Pin specification), black molded rigid PVC housing with square positioning frame (2 small mounting holes), 9-pin layout with clearly marked pin positions (A-J), gold-plated brass terminals for stable and reliable connection • Split Termination (2-way): 1. DC 5.5*2.1mm female barrel connector (nickel-plated), standard power input/output port 2. 6-core open bare wire end, color-coded conductors with pre-shrunk heat-shrink tubing, clearly labeled for CAN-H, CAN-L, GND, power and signal lines |
| Length | • Total overall length (from P1 J1939 female connector to bare wire end): 300 ± 30mm • Length of P1 J1939 female connector housing: 45mm • Length of DC connector branch: 280mm • Length of bare wire branch: 290mm • Stripping length of bare wire end: 50 ± 10mm • Outer diameter of main cable: 7.5mm • Outer diameter of DC branch cable: 5.0mm |
| Appearance Features | 1. Connector Housing: P1 J1939 9Pin female connector features a matte black high-strength PVC housing with integrated square positioning lugs, smooth surface without deformation, scratches, bubbles, flow marks or injection defects, no sharp edges or burrs. 2. Cable & Jacket: Flexible black PVC outer jacket for both cable branches, with excellent abrasion resistance, oil resistance and bending fatigue performance. The cable surface is smooth, burr-free, and resistant to aging and environmental stress. 3. Split Design: 2-way split termination with fully overmolded strain relief at the junction, no exposed wires, loose connections or wiring errors. DC connector has a smooth nickel-plated barrel for easy, stable insertion and extraction. Bare wire end has neatly stripped conductors with clear color coding, no broken wires, fraying or exposed copper burrs. 4. Markings: Heat-shrink tubing with printed wire identification labels, all pin positions clearly marked on the connector housing for easy installation and testing. 5. Workmanship: All terminals are precision crimped firmly, no loose pins, misalignment, rust, peeling or damage. All components are manufactured to strict dimensional tolerances. |
| Electrical Performance | • 100% full-pin continuity tested, no shorts, opens, broken wires, or miswiring • Dielectric withstand test: DC 300V / 10ms, no electrical breakdown • Insulation resistance: ≥5MΩ • Conduction resistance: ≤3Ω • Wire and terminal pull test: 20AWG wires withstand minimum 5.9kg pull force without terminal separation |
| Application | • J1939 protocol vehicle diagnostic testing for heavy-duty trucks, buses, construction machinery and agricultural equipment • ECU signal monitoring, fault code reading and performance testing in workshop and laboratory environments • Test bench connection for automotive electronic control system development and verification • Aftermarket repair and maintenance of J1939 compliant commercial vehicles |
This car wiring harness is designed for versatile testing workflows. The open wire end allows direct probing of CAN-H, CAN-L, ground, and power lines, making it ideal for ECU signal monitoring, fault simulation, and bench testing. The included DC connector simplifies power supply integration, streamlining setup for technicians working with J1939 systems.
Every harness undergoes rigorous continuity, insulation resistance, and pull strength testing to ensure compliance with industry standards. The strain-relieved junction and color-coded wires enhance durability and reduce installation errors, while the compact form factor makes it easy to store and use in tight workshop spaces.
At Fubon Harness, we combine precision manufacturing with practical design to deliver products that stand up to daily use in demanding environments. Whether you need a standard test harness like this one or a fully custom solution, we provide reliable wiring products tailored to your specific application.
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Shenzhen Fubang Wire harness Co.,Ltd
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2 year
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