Technology Manufacturer With The Ability To Customize Wiring Harnesses Of JinHai

At JinHai, we can customize instrument wiring harnesses without product drawings. With JinHai’s comprehensive reverse engineering technology, we can complete the instrument panel wiring harness’s key work for real-time interaction of vehicle information, ensuring the integrity of vehicle signals, electromagnetic interference resistance, and the safety and reliability of human-computer interaction with high quality.

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JinHai instrument panel wiring harness features

● High-precision signal transmission: An industry-leading shield coverage of over 85% resists various signal interferences, ensuring stable, high-precision signal transmission.
● Strict EMC performance: Twisted-pair cable manufacturing effectively reduces signal crosstalk and common-mode interference.
● Compact space adaptability: A wide selection of raw materials and a flexible wiring harness design fully accommodate assembly tolerances.
● Environmental durability: A wide temperature range design and corrosion-resistant materials ensure stability in various environments.
● Redundant safety design: Dual independent MCU power supply circuits (i.e., main channel + redundant channel) and centralized fuse layout shorten overcurrent protection response time, significantly improving vehicle safety.

仪表盘线束应用领域

Our instrument panel wiring harnesses are widely used in:

In-vehicle electronic systems: connecting the instrument panel, central control screen, air conditioning system, audio system, etc.
Connecting the driving system, entertainment system, air conditioning system, etc.

At JinHai, we utilize reverse engineering technology in our manufacturing to ensure our wiring harnesses meet your needs.

Instrument Wiring Harness Intorduce

Understand the five major advantages of instrument wiring harnesses, enhance vehicle safety, and choose high-quality Instrument Wiring Harness.

Instrument Wiring Harness In line with industry trends

Aluminum conductors replace copper wires: Using ultrasonic welding technology, 95mm² of aluminum conductors have the same current-carrying capacity as 70mm² of copper wire, while reducing weight by 21%
Integration: The instrument cluster, HUD, and central control panel are combined into a “cockpit-domain wiring harness,” reducing the number of wiring harness controllers and harness complexity
Intelligent diagnosis: Implanted current sensors monitor wiring harness degradation in real time with over 98% accuracy
Evolved safety redundancy: A dual-processor architecture uses MCUs to cross-check signals to avoid single points of failure

Instrument Wiring Harness Communication Standards

CAN 2.0 Protocol:

CAN 2.0A: 11-bit identifier, suitable for low-speed communication (such as instrument indicator light control).
CAN 2.0B: 29-bit identifier, supports high-speed communication (such as real-time vehicle speed transmission), with a rate of up to 1Mbps.
Physical Layer Requirements: The differential voltage (V_diff) must be stable between 0.9V and 5V to ensure anti-interference performance; twisted-pair impedance matching suppresses common-mode noise.

The impact of instrument panel wiring harness design on engine performance optimization

ECU communication accuracy: Excessive resistance caused by wiring harness inaccuracy can cause sensor transmission attenuation (such as oxygen sensor voltage deviation), affecting air-fuel ratio calculations and significantly reducing fuel efficiency
Lightweighting: Aluminum wiring (ultrasonic welding, 40% weight reduction) reduces engine overload and effectively reduces fuel consumption by 0.3L/100km.

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