Designing Aircraft Wire Harnesses 101 | 2019-04-17 | ASSEMBLY Apr 17, 2019So, you’re a new engineer freshly out of college. You’ve been hired at a large OEM to design wire harnesses and wired box assemblies. Not having the proper training in college, you ask yourself, “Where do I start?” The possibilities are limitless. No worries! We’re here to help. Each aircraft typically has an air vehicle specification (AVS).Author: John Ashour AVIONICS WIRE HARNESS SHOP from Aircraft Spruce We have added an in-house harness assembly shop providing avionics wire harnesses for the experimental market ranging from single avionics units to custom coax cable assemblies to complete panel wiring systems. Our harnesses are all professionally assembled and neatly labeled allowing for easy installation by the customer.