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Truck CAN Bus Diagnostic Y Harness for Cummins Engine Fault Detection

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Cummins 9Pin Y Diagnostic Cable Harness

 

Y-Shaped Wiring for 9Pin Truck Connections

 
The Cummins 9Pin Y diagnostic cable harness is made for truck systems that need a branched diagnostic connection. Its Y-shaped layout allows the wiring to split into two paths, which can be useful during fault checking, CAN communication testing, or when diagnostic equipment needs to connect alongside another compatible circuit. With a length of 330±20mm, the harness gives technicians enough cable to work with while keeping the setup fairly compact.

Cummins 9Pin Y diagnostic cable harnessHeavy duty truck CAN bus Y harness
The Truck 9Pin male female Y wiring harness is designed around a 9-pin truck connection, making it a suitable option for compatible heavy-duty vehicle diagnostic setups. The actual pin assignment still needs to match the vehicle and testing equipment before use. For customers building a diagnostic harness for a specific truck system, providing the wiring diagram or connector details helps confirm the required configuration.
 

20AWG UL2464 PVC Cable Construction

 
The cable uses 20AWG wire with a UL2464 PVC cable construction. This gives the harness a defined wire size and cable type for engineering teams to check against their existing system. The working temperature is -40°C to +105°C, so buyers can compare the stated range with the conditions expected around the truck or diagnostic equipment.

Item Specification
Type Truck CAN Bus Diagnostic Y Harness
Wire Gauge 20AWG
Cable Type UL2464 PVC Cable
Working Temperature -40℃ ~ +105℃
Length 330±20mm
Pins Material Tin-Plated Brass Terminals
Minimum Insulation Resistance ≥10MΩ
Maximum Conduction Resistance ≤3Ω
Test Voltage DC 500V 10MS
Application Fields Heavy duty truck diagnosis, Cummins engine fault detection, vehicle CAN communication testing
Specific Shipping Cost Please Contact Us

The terminals are made from tin-plated brass, with a minimum insulation resistance of ≥10MΩ and a maximum conduction resistance of ≤3Ω. The listed test voltage is DC 500V 10MS. These specifications provide useful reference points when reviewing the harness for a CAN communication test setup or a customized car wiring harness project. Final electrical suitability should be confirmed according to the customer's equipment and test requirements.
 

Truck Fault Detection and CAN Communication

 
This harness is intended for heavy-duty truck diagnosis, Cummins engine fault detection, and vehicle CAN communication testing. The 9Pin to OBD16 truck diagnostic cable is another configuration customers may consider when their testing equipment requires that type of connection. For any such application, the vehicle interface and wiring arrangement should be checked first rather than assuming universal compatibility.

Truck 9Pin male female Y wiring harnessCummins 9Pin to OBD16 Y Cable Harness
The Heavy duty truck CAN bus Y harness can be useful for diagnostic equipment development, service tools, and vehicle communication testing where a compatible Y connection is needed. FBXSlink can review the required cable length, connector arrangement, pinout, and wiring details for a particular project. Customers looking for automotive wiring solutions can provide drawings or samples so the team can assess the requested configuration.
 

Why Choose FBXSlink?

 
The Y structure is one of the key details of this cable. It needs to work with the truck-side connection while giving the diagnostic setup the right branch arrangement. FBXSlink has been making automotive diagnostic cables and industrial harnesses for different connection needs, so the team can pay close attention to the branch layout, pin configuration, cable length, and terminal requirements when developing a product like this.

Since 2013, FBXSlink has built its manufacturing and R&D base in Shenzhen, serving customers with automotive and industrial wiring products. For Cummins-related projects, we can produce according to the customer's technical drawings, samples, or wiring requirements, with the aim of keeping the finished harness consistent with the intended test setup. This also gives customers room to adjust the cable structure when a standard 9Pin diagnostic lead is not the right fit.
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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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