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OBDII 16Pin Male to 9Pin Female Heavy Duty Truck Diagnostic Adapter Harness

3 month ago
20 0
Product details
As a professional manufacturer with rich experience in automotive wiring harness field, Fubon Harness integrates independent research and development, standardized production and global sales service. We always follow strict production standards and complete quality management system, focus on producing stable and durable automotive connection accessories, and have gained abundant practical experience in vehicle diagnosis, circuit connection and electronic assembly. We keep upgrading production techniques and optimizing material selection to satisfy various usage demands from worldwide customers.
Our OBDII 16Pin Male to 9Pin Female Heavy Duty Truck Diagnostic Adapter Harness is professionally designed for interface conversion use of heavy duty vehicles. It effectively bridges the connection gap between common diagnostic tools and special vehicle ports, greatly facilitating daily vehicle detection and maintenance work for professional technicians.
OBDII 16Pin Male to 9Pin Female Heavy Duty Truck Diagnostic Adapter Harness
Adopting premium industrial grade materials, this reliable automotive OBDII cable features sturdy outer casing and excellent wear resistance. It maintains steady signal output under harsh working conditions, and delivers consistent working performance during long-term continuous detection work.
With accurate pin assignment and fine terminal processing, this practical OBD diagnostic cable owns standard plug and play design. The connectors fit closely without loose contact, which greatly raises working efficiency when reading vehicle fault information and monitoring real-time running data.
Item Description
Product Name OBDII 16Pin Male to 9Pin Female Heavy Duty Truck Diagnostic Adapter Harness
Connector Configuration • P1: OBDII 16Pin male diagnostic connector, standard SAE J1962 compliant, black ABS housing with reinforced strain relief
• P2: J1939 9Pin female connector (Cummins 9Pin specification), green nylon housing with threaded locking flange, 8-position pinout
• P3: Set of 3 green threaded mounting nuts (3 different sizes, for panel mounting the J1939 9Pin connector), packaged with the main harness
• Shielding: Full braided mesh shield over the main cable for EMI/RFI noise suppression
Length • Total overall length (from P1 OBDII connector end to P2 J1939 connector end): 600 ± 30mm
• Straight section length (from P1 connector to the bend point): 300 ± 20mm
• Braided cable outer diameter: 5.5mm (22AWG wire specification)
• Maximum outer diameter of J1939 9Pin connector: 30mm
Appearance Features 1. Cable & Shielding: Main cable wrapped in black and red mixed color braided mesh shield, with black PVC inner insulation. The braided layer provides excellent abrasion resistance and electromagnetic shielding.
2. Connectors: OBDII 16Pin male connector with smooth black ABS housing, no sharp edges. J1939 9Pin female connector with matte green nylon housing, clearly marked pin positions, and threaded locking flange for secure panel mounting.
3. Workmanship: Reinforced heat-shrink tubing at all cable-connector junctions for strain relief. No visible deformation, scratches, bubbles, or flow marks on any components. Connector pins show no damage, peeling, or rust.
4. Markings: White PVC label with part number CBL-2K09SG-A printed on the cable. Pin positions clearly marked on both connectors.
5. Included Accessories: 3 different sizes of green threaded mounting nuts, packed in a transparent zip-lock bag for panel installation of the J1939 connector.
Electrical Performance • 100% full-pin continuity tested, no shorts, opens, broken pins, miswiring, or misalignment
• Dielectric withstand test: DC 300V / 10ms, no electrical breakdown
• Insulation resistance: ≥5MΩ
• Conduction resistance: ≤3Ω
• Wire and terminal pull test: 22AWG wires withstand minimum 3.6kg pull force without terminal separation
Application Scenarios • OBDII scanner to J1939 heavy-duty truck diagnostic interface conversion
• Cummins 9Pin engine diagnostic and data reading
• Passenger car OBD2 tool to commercial vehicle J1939 port adapter
• Fleet vehicle fault diagnosis, ECU tuning, and real-time data monitoring
• Aftermarket automotive diagnostic tool accessory
This well-structured connecting line works perfectly as a functional automotive diagnostic adapter. It enables quick conversion between different port specifications, helps users reduce equipment preparation cost, and is easy to store and carry for outdoor maintenance work.
Acting as a highly practical OBD diagnostic adapter, this harness fits most types of heavy duty trucks and commercial vehicles perfectly. It is widely applied in daily vehicle inspection, fault troubleshooting and post-repair data confirmation, which becomes an essential practical tool for auto repair shops, fleet maintenance teams and professional vehicle inspectors.
OBDII 16Pin Male to 9Pin Female Heavy Duty Truck Diagnostic Adapter Harness
Fubon Harness supplies standard finished products and supports personalized customization services. All finished goods undergo comprehensive performance inspection before delivery to ensure reliable quality. We are dedicated to providing cost-effective automotive wiring solutions and thoughtful after-sales service for all global partners.
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Shenzhen Fubang Wire harness Co.,Ltd
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2 year


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