Andrew
Andrew Content Marketer
On Dec 9, 2025

34566-0103 Automotive Connectors by Molex – Reliable Connectivity for Automotive Systems

The Automotive Connectors 34566-0103 by Molex are precision-engineered components designed for demanding automotive environments where reliability, vibration resistance, and long-term performance are essential. These high-quality Connectors ensure stable electrical connections within vehicle harnesses, ECUs, sensors, and electronic control modules.
Learn more or order components directly from https://www.xonelec.com/ — your trusted global source for Molex Automotive Connectors and industrial-grade connectivity solutions.


Technical Specifications of 34566-0103

  • Manufacturer: Molex

  • Part Number: 34566-0103

  • Connector Type: Automotive Connectors

  • Series: MX150 Series

  • Number of Circuits: 10

  • Gender: Receptacle

  • Mounting Type: Wire-to-Wire / Wire-to-Device

  • Operating Voltage: Designed for vehicle electronic systems

  • Temperature Range: -40°C to +125°C

  • Applications: Automotive wiring harnesses, sensors, ECUs, lighting systems

These Automotive Connectors are built for excellent sealing, high vibration resistance, and long-term durability in harsh conditions.


Key Features of 34566-0103

  • Robust construction designed for automotive-grade durability

  • Fully sealed design compatible with high-vibration vehicle environments

  • Optimized for electrical stability and signal reliability

  • Compatible with Molex MX150 terminals and housings

  • Ideal for modern electronic vehicles and onboard modules

These features make the 34566-0103 Connectors and Automotive Connectors a dependable choice in safety-critical applications.


Applications of 34566-0103

  • Engine Control Modules (ECUs)

  • Automotive Sensors & Lighting Systems

  • Vehicle Interior/Exterior Electronics

  • Body Control Modules

  • Vehicle Power Distribution Units

  • Smart Mobility & EV Systems

Wherever rugged and reliable Automotive Connectors or high-quality Connectors are required, the 34566-0103 excels.


Wiring and Connection Overview

Typical automotive wiring sequence:

[Vehicle Harness] -> Crimp Terminal -> Connector Insert
=>
[Mating ECU / Module] -> Locking Tab Engagement -> Secure Seal System

The design ensures water resistance, vibration stability, and secure electrical performance.


Use Case Scenario: Engine Bay Sensor Wiring

A vehicle manufacturer required durable Automotive Connectors for engine bay sensors exposed to heat, vibration, and moisture.

Problem: Standard connectors degraded quickly under extreme thermal cycles.
Solution: Molex 34566-0103 Connectors offered superior sealing, thermal resistance, and reliable mating retention.
Result: Reduced failure rates, improved system stability, and lower maintenance requirements.


Download Datasheet for 34566-0103

For complete technical drawings, mechanical data, and compliance sheets:

Datasheet URL 34566-0103 


Why Buy from X-On Electronics?

X-On Electronics (https://www.xonelec.com/) offers:

  • 100% genuine Molex Automotive Connectors

  • Global shipping to USA, India, Australia, Europe, and other countries

  • Competitive pricing for OEMs, garages, and distributors

  • Expert component sourcing assistance

  • Reliable, fast, and secure delivery

Your global supplier for premium automobile-grade Connectors.


Conclusion

The 34566-0103 Automotive Connectors by Molex are engineered for high-performance vehicle systems, offering excellent sealing, vibration tolerance, and long-term reliability. Whether used in ECUs, sensors, or wiring harnesses, these Automotive Connectors ensure robust electrical performance in modern vehicles.


FAQs – 34566-0103 Automotive Connectors by Molex

Q1. What series does the 34566-0103 connector belong to?
It is part of the Molex MX150 series designed for sealed automotive applications.

Q2. Are these connectors suitable for high-vibration environments?
Yes, they are engineered to handle intense vibration commonly found in vehicles.

Q3. How many circuits does the 34566-0103 support?
It supports 10 circuits, ideal for multi-signal automotive systems.

Q4. What types of automotive systems use this connector?
ECUs, lighting modules, sensors, power units, and engine bay electronics.

Q5. Where can I purchase the 34566-0103 globally?
You can buy it from www.xonelec.com, shipping to USA, India, Australia, Europe, and more.




View All Tags

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2026  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified