Beyond the Pinout: The 3 “Engineering Firewalls” That Guarantee Your Custom Automotive Harness Reliability

The prototype harness on your desk matches the print perfectly. Connectors, pinouts, lengths—it’s a 1:1 replica. So why did the first field test in Norway end with a stranded vehicle and a frantic 2 AM call? At Carsun, we’ve learned that the space between a perfect drawing and a reliable, mass-produced component is where most […]