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Truck Trailer Spare Parts Plug Power Socket Assembly 3730010-363 for FAW Jiefang J5 J6 Seven-pin power socket assembly

The 3730010-363 (also known as 3730010-363-B or 3730010-363-C) is a seven-pin trailer power socket assembly designed specifically for FAW Jiefang heavy-duty trucks. Installed at the rear of the tractor unit or near the fifth wheel, this electrical connector serves as the critical interface between the tractor and trailer, transmitting essential lighting and control signals such as brake lights, turn signals, tail lamps, and auxiliary power.

Compliant with international standards (ISO 1185 / GB/T 5054.1), this ruggedized socket ensures reliable electrical connectivity in harsh operating environments, making it a standard component on FAW’s leading commercial vehicle platforms including the J6P, JH6, J7, and other logistics-focused models.

 
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  • 3730010-363

  • FAW

Attribute Description
Product Name 7-Pin Trailer Power Socket / Plug Assembly
Brand Compatibility FAW Jiefang (FAW Jiefang Automotive Co., Ltd.)
Primary Function Electrical signal transmission from tractor to trailer (lighting, braking, turning, ABS)
Application Type OEM Replacement, Aftermarket Repair
Mounting Location Rear frame rail or fifth wheel area of tractor units
Electrical System 24V DC (Standard for Chinese heavy-duty diesel trucks)
Quality Standard Meets ISO 1185, GB/T 5054.1, and FAW OEM specifications
电源插座组件-1

Name1

电源插座组件-4

Name2

Parameter Specification
Model Number 3730010-363 / 3730010-363-B / 3730010-363-C
Voltage Rating 24V DC
Number of Pins 7-Pin (7-Core)
Pin Configuration (Color-Coded)
• Pin 1 (White): Ground / Earth (Negative)
• Pin 2 (Black): Left Rear Side Marker & License Plate Light
• Pin 3 (Yellow): Left Turn Signal
• Pin 4 (Red): Brake Light (Stop Lamp)
• Pin 5 (Green): Right Turn Signal
• Pin 6 (Brown): Right Rear Side Marker & License Plate Light
• Pin 7 (Blue): Auxiliary Power (e.g., Trailer ABS, monitoring systems)
Contact Material Copper alloy pins with nickel or silver plating for high conductivity and anti-oxidation
Housing Material Die-cast aluminum alloy (standard) or high-strength flame-retardant plastic
Sealing Design Integrated rubber gasket + spring-loaded protective cover
Protection Level IP65 / IP67 (Dust-tight & protected against water jets and temporary immersion)
Current Capacity Up to 15A–20A per pin (suitable for LED/halogen lighting clusters)
Operating Temperature -40°C to +85°C
Corrosion Resistance Oxidation-resistant surface treatment; withstands road salt, mud, and de-icing agents


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