Wire Harness Inspection and Repair
Certified Quality Support to Ensure Safe, Reliable Electrical Systems
Whether on your manufacturing floor or at your customer’s site, wire harnesses are vital to ensuring electrical performance across industries like automotive, aerospace, medical devices and telecommunications. Even a minor defect—such as a weak solder joint, improper crimp or damaged wire—can result in total system failures, costly delays and dangerous safety issues.
At QLS, we deliver expert wire harness inspection and repair services that help OEMS and their suppliers proactively detect and resolve these issues before they escalate. Equipped with IPC/WHMA-A-620 certification, our inspection specialists are trained to ensure that every wire harness meets your unique specifications and the most rigorous industry standards.
Read our Wire Harness Case Study Here!
Prevent Failures with Certified Wire Harness Inspection
Defects in wire harnesses are a leading cause of malfunctions and product recalls. That’s why QLS thoroughly inspects and tests every single component, validating its performance under real-world conditions to ensure compliance, safety and production continuity.
Our wire harness inspection and repair process includes:
- Visual Inspection: We identify frayed wires, loose or incorrect crimps, missing components, poor insulation and mismatched wire gauge-to-terminal combinations.
- Continuity Testing: Our technicians confirm consistent electrical flow through all circuits, detect open or shorted connections, and ensure functional integrity under load.
- Labeling & Identification: We verify that all labels, markings and wire IDs comply with IPC/WHMA-A-620 standards and customer specs to ensure traceability and accuracy.
- Defect Documentation: We generate comprehensive inspection reports with visual proof and detailed notes to support corrective actions and long-term quality tracking.
Our highly skilled technicians inspect wire harnesses of all sizes and complexities—ensuring every connection, component and label meets the highest standards for quality and reliability.
Salvage Value with Expert Wire Harness Rework
Replacing defective wire harnesses isn’t always necessary or cost-effective.
By partnering with QLS, manufacturers are able to get back up and running quickly with repair and rework services that restore damaged wire harnesses to full functionality and compliance.
Our wire harness repair capabilities include:
- Crimping Corrections: We rework poorly crimped terminals to restore full electrical contact, reduce resistance, and ensure reliable signal and power transmission.
- Wire & Terminal Replacements: We remove and replace damaged, misrouted or incorrectly sized wires and connectors to meet design and safety specifications.
- Soldering Adjustments: We repair or reflow weak, cold or cracked solder joints to improve conductivity, mechanical strength and long-term wire harness durability.
We perform rework either onsite at your location or at our dedicated wire harness repair hospital in North Carolina that is equipped with specialized tools and staffed by highly trained technicians.
Why Choose QLS for Wire Harness Inspection and Repair
Far more than just a service provider, QLS is a proactive, embedded quality assurance partner that you can truly count on. Backed by IPC/WHMA-A-620 certification, our inspection specialists bring advanced technical training and hands-on expertise to deliver precise, compliant results in high-performance environments that require the utmost quality control.
Unlike other providers, QLS doesn’t rely on generic standards like MPD-7011F. Instead, we follow your specific work instructions to ensure every wire harness meets your exact requirements.
We help manufacturers and their suppliers stay ahead of quality issues with:
- Fast, Reliable Response: Whether onsite or offsite, our technicians respond immediately, proactively troubleshooting and resolving issues to keep production on schedule.
- Certified Technical Expertise: Our inspection specialists hold IPC/WHMA-A-620 certification and are equipped with deep experience in complex electrical systems.
- Real-Time Visibility: Our proprietary QLS Dot platform provides real-time project updates, inspection data, component traceability and documentation—all in one secure system.
- Industry-Specific Experience: We have proven success with repairing wire harnesses in medium/heavy trucking, aerospace, medical devices and other high-stakes industries.
By partnering with QLS, you gain a trusted quality assurance partner focused on maintaining quality, minimizing risk and helping you deliver safe, reliable products—every single time.
Why IPC/WHMA-A-620 Certification Matters
The IPC/WHMA-A-620 standard is the globally accepted benchmark for wire harness assemblies, providing detailed criteria for consistent quality, safety and performance across applications.
At QLS, our inspection specialists go beyond basic certification by employing advanced wire harness testing and inspection protocols that simulate real-world use and stress conditions. We identify hidden issues that other providers typically overlook, then provide your team with detailed reports and recommendations to inform your quality control decisions.
Our IPC/WHMA-A-620 certification means that we deliver:
- Higher reliability across all electrical systems
- Significantly reduced rework, warranty risk and recall costs
- Stronger customer satisfaction and trust
When it comes to wire harness inspection and repair, certified expertise makes all the difference—and that’s where QLS leads. Our IPC-certified team, hands-on support and real-time reporting deliver the reliability you need to maintain the utmost quality standards.

Keep Production Moving with Certified Quality Support
Don’t let wire harness defects derail your operation or put your reputation at risk.
With QLS, you get fast, accurate and certified wire harness inspection and repair services backed by more than two decades of experience in high-stakes industries. From the manufacturing floor to the field, we help you catch issues early, maintain compliance and keep production moving.

