Automotive

Automotive Wire Harness
& Cable Assembly

XinHarness manufactures automotive-grade wire harnesses and cable assemblies to IATF 16949 standards. From prototype to high-volume production, we support ICE, hybrid, and full-EV platforms with validated harness solutions.

IATF 16949
Certified
-40–125°C
Temp. range
M12
Connectors
PPAP
Capable
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Certifications: IATF 16949:2016 ISO 9001:2015 PPAP Level 3 AEC-Q200 RoHS REACH

Engineering Expertise

Key technical challenges in Automotive wire harness manufacturing — and how XinHarness addresses them.

01

EMC & Shielding

Automotive environments generate significant electromagnetic interference. We apply twisted-pair wiring, braided shielding, and foil wrap per CISPR 25 to eliminate EMC failures.

02

Temperature Extremes

Engine bay harnesses must survive -40°C cold starts to +125°C sustained operation. We use XLPE and PTFE insulations rated for full automotive temperature range.

03

Vibration & Fatigue

Chassis and powertrain harnesses endure millions of vibration cycles. Our crimp validation follows IPC-A-620 Class 3 with 100% pull-force monitoring.

04

EV High Voltage

EV battery and charging harnesses require high-voltage rated insulation (up to 1000V DC), orange outer jacket, and connector IP67/IP68 sealing per LV214.

What We Manufacture

01

Engine Management

Engine wiring harness, sensor cables, ECU connectors

02

EV Battery Systems

HV battery pack wiring, BMS harness, cell interconnect cables

03

EV Charging

OBC harness, DC fast-charge cables, CCS/CHAdeMO assemblies

04

ADAS & Sensors

Camera cables, LiDAR harness, radar sensor wiring

05

Dashboard & Interior

Instrument panel harness, infotainment cables, seat wiring

06

Door & Body

Door module harness, window lift, mirror actuator cables

Specification Overview

Voltage Rating 12V / 24V / 48V / 400V / 800V DC
Wire Gauge 0.13 – 50 mm²
Temperature Rating -40°C to +125°C (peak +150°C)
Connector IP Rating IP40 to IP69K
Standards ISO 6722, LV112, VW60306
Testing 100% electrical + crimp pull-force + hi-pot
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Get a Automotive Quote

Describe your requirements and receive a detailed technical response within 24 hours.

Automotive Wire Harness

Response from our engineers within 24 hours.

Images, PDF, Word, Excel, or CAD files (DWG/DXF/STEP) — max 10MB each, up to 5 files.

Your Trusted Automotive Partner

Sole-source qualified by Tier-1 automotive suppliers across Europe, North America and Asia. Our IATF 16949-certified production lines use automotive-specific crimp presses, automated test equipment, and APQP-driven quality systems.

About XinHarness
15+ Years
Industry experience
500+ Customers
Across 50+ countries
100% Tested
Every unit before shipment
24h Response
Engineering turnaround
ISO Certified
Independently audited
DFM Review
Free, within 48 hours

Automotive Common Questions

Yes. We provide full PPAP Level 1–5 packages including control plan, PFMEA, measurement system analysis (MSA), and first-article inspection reports.

Yes. We manufacture HV harnesses up to 1000V DC with certified orange jacketing, IP67/IP68 connectors, and hi-pot testing at 150% of rated voltage.

Prototype quantities from 1 piece. Volume production typically from 500 pieces. We work with Tier-1/2 suppliers on blanket orders.

We source and terminate connectors from TE Connectivity, Molex, Yazaki, Sumitomo, and JAE, matched to your OEM part specification or an equivalent qualified alternative.

Yes. Thermal cycling, vibration testing per USCAR-2, and salt-spray corrosion testing are available for connector and harness validation on request.

Automotive Wire Harness Products

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Ready to Source Automotive Wire Harnesses?

Submit your drawings or specifications. Our engineers will respond with a technical review and competitive quote within 24 hours.

Request a Quote Quality & Certifications
ISO 9001 IATF 16949 ISO 13485 AS9100D RoHS
flux@xinharness.com