High-Voltage Wiring Harness for Electric Trucks Market Size, Share & Industry Analysis, By Vehicle Type (Light-Duty Electric Trucks, Medium-Duty Electric Trucks, and Heavy-Duty Electric Trucks), By Propulsion Type (Battery Electric Vehicles and Fuel Cell Electric Vehicles), By Voltage Level (Up to 400V, 400V to 800V, and Above 800V), By Application (Battery System Wiring, Powertrain System Wiring, Charging System Wiring, Auxiliary System Wiring, and Power Distribution Wiring), By Sales Channel (OEM and Aftermarket), By Component (Connectors and Cables), and Regional Forecast, 2026-2034