CAN_Cummins 9P female OBD female

10 month ago

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Shenzhen Fubang Wire harness Co.,Ltd

 2 year year

Product details

The CAN Cummins 9P female to 9P female and OBD female adapter is a critical tool for heavy-duty vehicle diagnostics and telematics, serving as a data bridge for simultaneous access to vehicle communication networks. It features a rugged Cummins 9-pin female Deutsch connector—proprietary for linking to Cummins engine control modules (ECMs)—on one end, an identical 9P female connector for pass-through, and an integrated standardized OBD-II female port. This design solves a common issue: letting technicians, fleet managers, and engineers connect proprietary diagnostic software and universal scanners simultaneously without losing functionality or signal integrity.

The adapter’s core role is tapping into the high-speed Controller Area Network (CAN) bus, specifically the SAE J1939 protocol that governs commercial vehicle component communication. It enables real-time data flow from the engine ECU to external devices via a direct physical/electrical pathway, letting users access Cummins ECM parameters—engine RPM, fuel consumption, coolant temperature, exhaust readings, and diagnostic trouble codes—through both dedicated software (e.g., INSITE) and aftermarket tools (scan tools, data loggers, telematics units) via the OBD-II port.

The 9P-to-9P pass-through preserves the original diagnostic link, keeping factory tools connected for programming/calibration while splitting the signal for extra monitoring/data capture. This eliminates bulky splitters and the risk of unplugging essential gear during complex tasks. The OBD port universalizes access, turning the proprietary interface into a standard for fleet management (vehicle health/driver behavior), emissions testing (regulatory compliance), and performance analysis (fuel efficiency optimization).

For R&D engineers, the cable is vital for prototyping new components, enabling test command injection and network response monitoring while the engine runs normally. Internally, pinouts are meticulously mapped to route CAN High/CAN Low wires and power/ground from the 9P connector to the correct OBD-II pins (typically 6 and 14), ensuring signal integrity and avoiding communication errors. Its passive design means it doesn’t modify data—only acts as a reliable conduit.

Item	Description
Product Name	Cummins 9 female and OBD female
Type	12V/24V Heavy-Duty Truck CAN Signal Y-type Splitter Wiring Harness
Voltage	12V/24V DC, Customized Available
Pins Material	Nickel-Plated Brass Terminals, Gold-Plating Optional
Plug Material	PA66+GF Automotive Grade Green Cummins 9Pin Waterproof Female Connector Housing, Standard OBDII 16Pin Female Connector Housing, Black Flexible PVC Cable Jacket with Reinforced Strain Relief
Working Temperature	-40℃~+85℃ Or Customized
Length	400±20mm / Customized Length Available
Minimum Insulation Resistance	≥10MΩ
Maximum Conduction Resistance	≤2Ω
Application Fields	Cummins heavy truck J1939 CAN bus data reading, fleet ELD tracking device parallel wiring, diesel engine ECU diagnostic detection, auto repair station multi-device simultaneous connection, engineering machinery & agricultural vehicle on-board monitoring, automotive electronic bench testing, custom heavy-duty vehicle diagnostic conversion wiring harness
Specific Shipping Cost	Please Contact Us

Applications span sectors: repair shops use factory tools for fault codes and J1939 readers via OBD to spot intermittent sensor issues; fleets simplify telematics installation for idling time, harsh braking, and fuel economy tracking; compliance officers connect portable emissions systems via OBD.

Durable Deutsch connectors resist vibration, moisture, and extreme temperatures, ensuring reliability in heavy-duty use. More than a cable, this adapter bridges Cummins’ proprietary ecosystem with universal standards, extending vehicle life, cutting downtime, lowering emissions, and deepening understanding of machinery powering global commerce.

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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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