Automotive wiring harness market seen reaching $77.95 billion by 2030

The Business Research Company says the global automotive wiring harness market will grow from $65.32 billion in 2026 to $77.95 billion by 2030, driven by connected vehicles, electric-vehicle demand and higher vehicle production. Asia-Pacific held the largest market share in 2025 and is expected to remain the fastest-growing region. Why it matters: - Automotive wiring harnesses are central to how vehicles move electrical power and control signals across increasingly complex systems. - Growth in connected cars, electric vehicles and hybrid vehicles is expanding demand for more advanced harness assemblies. - The market’s projected rise signals continuing spending on vehicle electrification and in-vehicle electronics. What happened: - The Business Research Company projected the automotive wiring harness market will grow from $62.4 billion in 2025 to $65.32 billion in 2026. - The same report forecasts the market will reach $77.95 billion by 2030. - The company expects a 4.5% compound annual growth rate through 2030. - The report was published June 15, 2026, in London. - A free sample of the report is available. - The full automotive wiring harness market report is also available. The details: - The report links recent growth to broader use of conventional wiring harnesses in passenger vehicles. - It also points to greater adoption in commercial vehicles, development of main and auxiliary harnesses, and use of copper and aluminum wire assemblies in electrical and electronic systems. - For the long term, the report cites AI-optimized harness networks, IoT-enabled and connected wiring solutions, and expansion of high-voltage and high-performance assemblies. - The report also highlights smart wiring harness technologies, AI-driven signal transmission, multifunctional wiring assemblies and harnesses designed for connected vehicles. - Automotive wiring harnesses are organized bundles of wires that transmit both control signals and electrical power throughout a vehicle. - These assemblies connect electrical and electronic components and help simplify the vehicle’s electrical system. - The report says rising vehicle manufacturing worldwide is a key demand driver. - The International Energy Agency reported in 2024 that electric car sales in 2023 were 3.5 million units higher than in 2022, a 35% year-over-year increase. - In 2025, Asia-Pacific held the largest share of the market and is expected to be the fastest-growing region during the forecast period. - The report covers Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, the Middle East and Africa. Between the lines: - The forecast reflects a shift from basic wiring toward smarter, higher-voltage systems built for connected and electrified vehicles. - The regional lead in Asia-Pacific suggests where much of the industry’s volume and growth momentum is concentrated. - The report’s emphasis on IoT and AI points to wiring harnesses becoming part of broader software-defined vehicle architectures. What’s next: - The market is expected to keep expanding as vehicle electrification and connectivity deepen through 2030. - The Business Research Company added new 2026 report features including market attractiveness scoring, TAM analysis, company scoring matrix graphics and tables, Excel-based forecasting dashboards, market hotspots infographics, key technology analysis, future trend analysis, and updated graphics and tables. - The company said its Global Market Model provides updated forecasts for decision-making. - The Business Research Company provided contact details, including its website , for readers seeking more information. The bottom line: - Automotive wiring harness demand is rising with the shift to connected, electric and more electrically complex vehicles, and the market’s growth is expected to stay steady through 2030.