Automotive Wire Harness
High-reliability wire harnesses for automotive applications. From traditional vehicles to EVs, we deliver quality that meets the demanding standards of the automotive industry.
Automotive Applications
Wire harness solutions for every system in modern vehicles.
Engine Compartment
High-temperature resistant harnesses for engine sensors, fuel injection, and ignition systems
Body Wiring
Interior lighting, power windows, door locks, and seat controls
EV/HEV Systems
High-voltage battery cables, charging systems, and motor connections
ADAS & Safety
Sensor connections for cameras, radar, and collision avoidance systems
Instrumentation
Dashboard clusters, infotainment, and driver information systems
Exterior Systems
Headlights, taillights, mirrors, and weatherproof connectors
Built for Automotive Excellence
Our automotive wire harnesses are designed to withstand the harsh conditions of vehicle environments - extreme temperatures, vibration, moisture, and chemicals. Every harness is manufactured to automotive quality standards with full traceability.
- ISO 9001 certified facilities
- Material certifications & lot traceability
- 100% electrical testing
- Pull force and crimp cross-section analysis
- High-temperature and chemical resistant materials
- Sealed and waterproof connector options
- Full lot traceability
- Kanban and JIT delivery programs
Technical Specifications
Our automotive wire harness manufacturing capabilities.
EV & Hybrid Vehicle Harnesses
Specialized high-voltage wire harnesses for electric and hybrid vehicles. We understand the unique requirements of EV applications including EMI shielding, high-voltage safety, and thermal management.
- High-voltage battery pack cables
- Motor and inverter connections
- Charging system harnesses
- BMS (Battery Management System) wiring
ISO 9001 certified Automotive Wire Harness Manufacturing Excellence
Manufacturing through our ISO 9001 certified China entity, Hebei Cloom Electronic Technology Co., Ltd., OurPCB delivers precision-engineered automotive wire harness and wiring solutions for OEMs and Tier 1 suppliers worldwide. Our wire harness products meet the rigorous quality and reliability standards demanded by the global automotive industry.
We manufacture complete car wiring harness systems including engine compartment harnesses designed for temperatures up to 150°C, body wiring for interior systems, and exterior harnesses with IP67/IP69K waterproof sealing. Our automotive cables utilize high-temperature wire types including XLPE, silicone, and fluoropolymer insulations that withstand harsh underhood environments.
For the growing electric vehicle market, we provide specialized high-voltage wire harness solutions for battery pack connections, motor inverters, and charging systems. Our HV harnesses incorporate orange jacket identification, HVIL safety interlocks, and EMI shielding per SAE J1654 and ISO 6722 standards.
Our manufacturing capabilities include automated wire processing, precision crimping with cross-section analysis, ultrasonic welding, and 100% electrical testing. We provide documentation including material certifications, dimensional reports, and full lot traceability. Our testing capabilities ensure every harness meets your specifications.
We serve all major automotive connector systems including TE Connectivity, Molex, Yazaki, Sumitomo, Aptiv, and JAE. From 48-hour prototypes to high-volume production, we support your automotive program with Kanban delivery, JIT scheduling, and flexible ordering with no MOQ. Contact our automotive team to discuss your custom wire harness requirements.
Automotive Wire Harness FAQ
Our China manufacturing entity (Hebei Cloom) is ISO 9001 certified, the international quality management standard used for automotive programs. The Philippines (Cavite) site builds to the same quality system, with the certificate held by the China entity. We also comply with customer-specific requirements from major OEMs.
Yes, we manufacture high-voltage harnesses for electric and hybrid vehicles including battery pack cables, motor connections, and charging system harnesses. We work with specialized HV cables rated up to 600V and use appropriate shielding and safety features.
We work with all major automotive connector manufacturers including TE Connectivity, Molex, Yazaki, Sumitomo, Aptiv (Delphi), JAE, and others. We can source connectors or work with customer-supplied components.
We provide documentation packages including dimensional reports, material certifications, certificates of conformance, test records, and full lot traceability to support your automotive qualification requirements.
Real Project Experience
How we've handled similar wire harness and cable assembly projects
See de-identified project scenarios — supplier qualification, connector-shortage recovery, lead-time compression, and engineering spec lockdown — drawn from real production records.
Start Your Automotive Project
From prototypes to production, we deliver automotive-grade wire harnesses with ISO 9001 certified quality systems and full documentation support.