Upgrade your 1947-1954 Chevrolet Truck, Pick-Up, Suburban, or Blazer with the Classic Update Series Wiring Harness System. This high-quality 12-volt system is designed for models that originally had a 6-volt electrical setup, allowing you to modernize your vehicle's electrical system effortlessly. With advanced engineering and flexibility, this wiring harness lets you customize the routing to suit your specific needs while accommodating popular aftermarket and reproduction accessories. Say goodbye to outdated wiring and experience better reliability and performance on the road!