1. Which companies and institutional investors are leading recent automotive wiring harness investments?
Investment is concentrated among Tier-1 wiring harness suppliers, private equity groups, and sovereign-backed funds targeting automated harness production. Aptiv Plc announced connected vehicle electrical system investments, while Sumitomo Electric Industries Ltd. expanded high-voltage cable assembly capacity in Southeast Asia during 2024-2025. These capital deployments focused on automation and zonal wiring, with automated cutting and crimping lines reducing direct labour content by roughly 15-20% per harness.






