Automotive Instrument Panel Wiring Harness

‌Automobile instrument panel wiring harness‌ refers to the wiring system that is laid along the instrument tube and connects the instrument panel electrical components, floor wiring harness, ceiling wiring harness, instrument front cabin wiring harness, air conditioning module wiring harness, left and right front door wiring harness, etc. Its main function is to connect and supply power to ensure the normal operation of the car panel and related components.‌

The car dashboard wiring harness uses multi-strand copper core wires to transmit power and signals. The connector ensures stable docking between devices (such as the combination instrument and the ignition lock). The car dashboard wiring harness follows a standardized design (such as red for the power circuit) to facilitate maintenance and identification.

Protective materials for automotive dashboard wiring harnesses 

The outer layer is wrapped with flame-retardant corrugated tubes or foam sheaths to prevent the wiring harnesses from rubbing against the dashboard structure to produce noise or short circuits 

Some wiring harnesses are equipped with metal brackets (such as flexible struts) to enhance vibration resistance and installation stability.

Key points of automobile instrument panel wiring harness design 

• The main line is routed along the tube beam, and the bending part is fixed with a harness pressure plate to avoid loosening or wear; 
• The branch harness is fixed to the bracket with a cable tie or buckle to reduce vibration interference. 

Optimization of grounding points 

The grounding points are evenly distributed on the tube beam to avoid long-distance cross-region grounding resulting in excessive outer diameter of the harness; 

Add an independent grounding harness to connect the body sheet metal to prevent poor grounding caused by bolt rust. 

Application value of automobile instrument panel wiring harness 

As the "central nervous system" of the vehicle's electrical system, the instrument panel harness directly affects the reliability and safety of driving information display through precise signal control and power transmission. Its protective design and standardized wiring further improve the durability and maintenance convenience of the vehicle.

• If you need any custom wiring harness, you can contact us.