Explore a detailed automotive diagnostic process in this 42-minute video from South Main Auto Repair LLC. Follow along as a 2015 Ford F250 6.2 is examined for a "Service Advance Trac" message, illuminated red brake light, and slip light. Learn how a second opinion saved the customer from an unnecessary $800 ABS module replacement recommended by a Ford dealer. Discover the step-by-step troubleshooting techniques, including system scanning, code interpretation, and harness inspection. Gain insights into OEM-style repairs, connector warnings, and the importance of thorough diagnostics. Perfect for automotive enthusiasts and professionals looking to enhance their problem-solving skills in vehicle electrical systems.