Automotive Wire Harness
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.
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.
- 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.
Corrugated tubes, heat shrink tubes, PET winding tapes, sponge tapes, and acetate cloth tapes, providing optimal insulation and durability in demanding environments.
- 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
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Automotive engine wiring harness -
Vehicle control harness -
Automotive safety system harness -
EV charging harness -
Automotive comfort system harness -
Automotive battery wire harness -
Car door harness and window harness -
Vehicle diagnostic wiring harness -
Car door harness and window harness -
Golf cart harness -
Automotive battery system harness -
Automotive engine wiring harness
- 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
Whether it’s stringent prototype testing or large-scale production, our team and production lines adapt to your requirements.
- 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
With our complete supply chain, automotive wire harness production lines, and skilled engineers, we deliver high-quality and cost-effective cable harnesses.
- Trusted Partnership
We see ourselves as your trusted partner and are eager to support your innovation and success, rather than being just another supplier.
Tell us your wiring needs and our experts will help you find the right solution.

