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March 10, 2026

Automotive Soldering – Best Practices | New Training Module

Even with the right solder and tools, achieving a reliable join depends on following best-practice procedures. 

Automotive technicians need to know not only how to apply solder but also when and where it is appropriate, and how to adapt techniques to different joint types and harness configurations.

In the latest addition to our training course on Wiring Harness Fundamentals, we cover the best practice procedures of joining and splicing electrical cables.

In this training module, you’ll learn:

  • How to use heat shrink effectively, and stagger joints for safer, more compact harness repairs.
  • Step-by-step methods for creating strong and professional X-twists V-twists, J splices, slide joints, and T splices.
  • How to prepare cables and apply solder without excessive wicking.

Mastering these best practices will help you produce OEM-quality results that last.

This module will be the latest addition to our growing library of over 390 technical training videos, covering the following key areas:

Electrical   |   Engine   |   Chassis   |   Drivetrain   |   Driver Assist
HVAC   |   Diagnostics   |   Servicing   |   Hybrid & Electric Vehicles

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