Automotive Wire Harness
Custom Wire Harnesses and Cable Assemblies

Manufactured under ISO and IATF standards, our wiring products are built to meet demanding OEM/ODM requirements with consistent quality and reliable performance.

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Automotive Wire Harness

ISO/IATF certified custom wiring harnesses for automotive applications

In 1992, SAISONIC started as a modest fiber-optic pigtail wiring harness maker, and within just three decades has evolved into a reliable manufacturer of high-quality complex wiring harnesses.

Automotive Wire Harness
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Building on our experience of producing wiring harnesses, we design and manufacture complete, end-to-end customized wiring solutions for diverse automotive applications: Engine wire harnesses, light wiring harnesses, sensor cable harnesses, ignition coil wiring harnesses, throttle pedal wire harnesses, fuel injectors cable harnesses, radio wiring harnesses, chassis wire harnesses,•automotive body wiring harness assemblies, car door and window harnesses, automotive comfort system harnesses, vehicle diagnostic wiring harnesses, car infotainment system wire harnesses and all custom wiring assemblies.

Our expertise lies not only in having made automotive wiring harnesses, but in making them exceptionally well. Contact us today to learn more about our capabilities or to get started.
The wires and cables for automotive wiring harnesses comply with ISO 6722, SAE J1128, and JASO D611 standards, including the following series
  • ISO 6722 Series

    FLY, FLRY-A, FLRY-B, FLR2X-A, FLR2X-B, FLR2X-C, FLRY11Y, FLR9Y-A, FLR9Y-B, FLR6Y-A, FLR6Y-B, FLRYY FLYZ, FLYYF FLR4Y, FLR5Y, FLR2X11Y

  • SAE J1128 Series

    SGX, SGT, WTA, TWP, GXL, SXL, HDT, WXC, GPT, STR, TXL

  • JASO D611 Series

    AV, AVS, AVSS, CHFUS, CIVUS, AV-AV, ATW-FEP, AEXHF, APEX-BS, AVX / AVFX HEBX, AVSSX AEX, AESSXF, HFSSF-T3, AHEX / AHEX-BS, AESSXF-BS.

Automotive Wire Harness
Protective materials used in producing wire harness assemblies include

Corrugated tubes, heat shrink tubes, PET winding tapes, sponge tapes, and acetate cloth tapes, providing optimal insulation and durability in demanding environments.

Automotive Wire Harness
To ensure reliability and compatibility of automotive wiring harnesses, we use connectors from globally recognized brands
  • Amphenol: AHD, ARB, ARC, AT, ATM, ATHP, AHDP, ATV, ATP series
  • Aptiv: Apex Sealed Terminal Connectors, GT150, GT280, HES, Metri-Pack Series, OCS 1.5 Series, Weather Pack Connectors
  • Anderson: Power Multipole Connectors, Powerpole Connectors
  • Molex: CMC, Mini-Fit JR, MLX, MX150, MXP120 Connectors
  • TE Connectivity: AMP Superseal 1.5mm Connectors, AMPSEAL 16 Connectors, HDSCS, MCON 1.2mm Connectors
  • Yazaki: Full range of connector series
Examples of Automotive Wiring Harnesses
  • Automotive engine wiring harnessAutomotive engine wiring harness
  • Vehicle control harnessVehicle control harness
  • Automotive safety system harnessAutomotive safety system harness
  • EV charging harnessEV charging harness
  • Automotive comfort system harnessAutomotive comfort system harness
  • Automotive battery wire harnessAutomotive battery wire harness
  • Car door harness and window harnessCar door harness and window harness
  • Vehicle diagnostic wiring harnessVehicle diagnostic wiring harness
  • Car door harness and window harnessCar door harness and window harness
  • Golf cart harnessGolf cart harness
  • Automotive battery system harnessAutomotive battery system harness
  • Automotive engine wiring harnessAutomotive engine wiring harness
Why Choose SAISONIC
    • Tailor-Made Wiring Solutions
      Tailor-Made Wiring Solutions

      We interact with you at every stage, from initial design to final production, creating automotive wiring harnesses that meet your exact needs.

    • Flexibility
      Flexibility

      Whether it’s stringent prototype testing or large-scale production, our team and production lines adapt to your requirements.

    • Quality Assurance
      Quality Assurance

      We rigorously test every product and adhere to international standards (including ISO) to ensure top performance and safety.

    • Production and Supply Chain Capabilities
      Production and Supply Chain Capabilities

      With our complete supply chain, automotive wire harness production lines, and skilled engineers, we deliver high-quality and cost-effective cable harnesses.

    • Trusted Partnership
      Trusted Partnership

      We see ourselves as your trusted partner and are eager to support your innovation and success, rather than being just another supplier.

Contact our sales engineers today to start your custom wiring harness project!

Get in Touch

Tell us your wiring needs and our experts will help you find the right solution.
Custom Wire Harnesses for Various Industries