Heavy Duty Cummins 9Pin Diagnostic Cable M16 12Pin to RJ45 DC5521 Adapter Harness

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Shenzhen Fubang Wire harness Co.,Ltd

 2 year year

Product details

Shenzhen Fubang Wire Harness Co., Ltd. is a professional manufacturer focused on automotive wiring solution development and customized processing, with mature production lines and complete testing systems for various automotive diagnostic cables and industrial custom wiring harness. We strictly follow automotive industry production standards to produce reliable connection accessories for heavy-duty trucks, passenger vehicles, construction machinery and industrial detection equipment. Our technical team supports one-stop personalized customization from structural design, pin assignment layout to finished product molding, serving global auto repair stores, diagnostic equipment manufacturers and vehicle electronic R&D laboratories.

Heavy Duty Cummins 9Pin Diagnostic Cable M16 12Pin to RJ45 DC5521 Adapter Harness

This automotive diagnostic adapter is tailor-made for Cummins series heavy-duty truck engine detection scenarios, solving multi-signal synchronous transmission demands during ECU programming, data reading and fault diagnosis. Different from single-port ordinary automotive diagnostic cables on the market, this integrated custom wiring harness integrates five connection terminals in one cable, realizing seamless switching among engine interface, data transmission port, power supply port and reserved signal bare wire ends, effectively reducing messy wiring during on-site vehicle maintenance.

Item	Description
Product Name	Heavy Duty Cummins 9Pin Diagnostic Cable M16 12Pin to RJ45 DC5521 Adapter Harness
Type	12/24V Commercial Truck Engine Diagnostic Wiring Harness
Voltage	DC 300V Test Voltage, 12V/24V Working DC, Customized Available
Pins Material	Nickel-Plated Brass Terminals, Gold-Plating Optional
Plug Material	PA66+GF Automotive Grade Connector Housings, M16 Metal Circular Plug, Cummins 9Pin Green Plastic Shell, Shielded RJ45 PBT Housing, DC5.5 PVC Power Plug
Working Temperature	-40℃~+105℃ Or Customized
Length	500±20mm Standard, Customized Length Available
Minimum Insulation Resistance	≥10MΩ
Maximum Conduction Resistance	≤2Ω
Application Fields	Heavy-duty truck Cummins engine ECU diagnosis, commercial vehicle CAN bus data reading, fleet monitoring diagnostic tool wiring, construction machinery signal transmission, industrial vehicle electronic bench testing, truck repair shop diagnostic equipment connection
Specific Shipping Cost	Please Contact Us

Constructed with automotive-grade PA66+GF connector shells and nickel-plated brass pins, the harness maintains stable conduction performance within the working temperature range of -40℃ to +105℃. It passes DC 300V high-voltage insulation testing, with insulation resistance up to 10MΩ and contact resistance controlled below 2Ω, avoiding signal interruption or data distortion during long-hour diagnostic work. The internal wires adopt UL1007 standard multi-specification stranded wire, equipped with reinforced strain relief at each branch to resist frequent bending and pull force in complex maintenance environments.

The matched M16 12Pin circular metal plug and green-shell Cummins 9Pin interface perfectly fit mainstream heavy-duty truck engine diagnostic ports, while the shielded RJ45 female seat supports high-speed CAN bus data upload. The built-in DC5.5*2.1 power port can supply stable power for handheld diagnostic devices, and the open bare wire end reserves expansion space for secondary development of vehicle electronic test benches.

Widely applicable to heavy-duty truck repair shops, fleet management detection stations, engineering machinery electronic debugging and engine ECU offline programming projects, this durable automotive diagnostic adapter breaks the limitation of single-function automotive diagnostic cables. As a flexible multi-functional custom wiring harness, it can also adjust wire length, pin definition and terminal collocation according to customers’ exclusive equipment parameters, meeting diversified customized demands of global vehicle detection equipment brands.

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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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