Diagnosing Voltage Drops and High Resistance Problems

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Steven Liguori

2:10:42

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1 - Introduction to Voltage Drops in Vehicles

1 -Welcome and Introduction.mp4

01:35

2 -Four Types of Faults - Symptoms and Misconceptions.mp4

11:38

3 -Lesson 3 Resource.pdf

3 -Test Your Knowledge - Voltage Measuring Fundamentals.mp4

02:07

4 -Lesson 4 Resource.pdf

4 -Understanding Voltage Levels Throughout the Circuit.mp4

16:00

5 -Lesson 5 Resource.pdf

5 -Voltage Drop and Voltage At Measurements.mp4

04:44

2 - Diagnosing Voltage Drop Issues

1 -Diagnosing an Inoperative Circuit.mp4

00:53

2 -Voltage Drop Diagnostic Considerations.mp4

06:01

3 -Demo 2-50 ohm resistors in Series Voltage Measurements.mp4

02:10

4 -Demo 10 and 50 ohm resistors in Series Voltage Measurements.mp4

02:54

5 -Choosing Between Voltage At and Voltage Drop Measurements.mp4

03:03

6 -Choosing Between Voltage At and Voltage Drop Continued.mp4

02:11

7 -Understanding the Implications of High Voltage Drops.mp4

03:17

3 - Voltage Drop and its Consequences

1 -What are the Effects of Ground or Power Side Voltage Drop.mp4

02:06

2 -Brake and Park Lamp Circuit Description.mp4

01:12

2 -Lesson 14 Resource.pdf

3 -Brake and Park Lamp Circuit High Resistance Case Study 1.mp4

05:38

4 -Brake and Park Lamp Circuit High Resistance Case Study 2.mp4

04:16

5 -Horn Circuit Case Study - Circuit Explained.mp4

04:00

5 -Lesson 17 Resource.pdf

6 -High Resistance - Case Study 3.mp4

07:48

4 - Advanced Troubleshooting Techniques

1 -Power Load and Ground Review.mp4

03:35

2 -Special Situation - Brake and Park Lamp Circuit - Revisited.mp4

01:45

3 -Demo - Measuring Voltage When There is High Resistance.mp4

06:22

4 -Demo - Choosing Between Voltage Drop and Voltage At.mp4

02:36

5 -Demo - Less Obvious High Resistance Issues.mp4

03:40

6 -Demo - Benefits of Some Additional Tools.mp4

07:01

7 -Safety Practices for Working on Automotive Electrical Systems.mp4

03:51

5 - Preventative Measures and Maintenance Strategies

1 -Maintenance Practices that Can Help Prevent Common Electrical Issues.mp4

05:01

2 -How to Configure and Maintain Robust Electrical Systems.mp4

04:23

3 -Lesson 28 Resource.pdf

3 -Routine Checklist for Ongoing Vehicle Electrical Health Monitoring.mp4

03:42

4 -Thank you for Taking This Course.mp4

00:51

5 -Bonus Demo Video.mp4

06:22

Description

Save valuable time and reduce headaches caused by strange and intermittent electrical problems

What You'll Learn?

Master Critical Diagnostic Skills: Learn to accurately diagnose and solve high resistance problems and unwanted voltage drops in automotive vehicles.
Enhanced Problem-Solving Skills: Add valuable and practical skills to your mental toolbox, boosting your efficiency and effectiveness in electrical diagnostics.
Comprehensive Understanding: Gain a solid grounding in basic electrical diagnostic principles, ensuring you can confidently interpret voltage readings.
Detailed Explanations: Understand both ground side and power side voltage drops thoroughly, preventing potential misdiagnoses.
Time and Efficiency: Save valuable time and reduce headaches caused by strange and intermittent electrical problems with the knowledge gained.

Who is this for?

Do-it-Yourselfers or Anyone who wants to learn how to Diagnose Unwanted Voltage Drops and High Resistance Problems on Automobiles.

Anyone looking to Eliminate Wasted Time by learning a systematic step by step approach to automotive diagnostics.

Beginner Automotive Students looking to better understand Automotive Electrical and Schematic Diagrams.

What You Need to Know?

Although helpful, No Prior Automotive or Electrical Understanding is Required. Just a desire to learn and a willingness to practice the diagnostic process.

More details

Description
Welcome to the â€˜Diagnosing Voltage Drops and High Resistance Problems Course!
In this course, you will learn how to identify high resistance problems and unwanted voltage drop issues that can develop in automotive vehicles. High resistance robs some of the voltage that a circuit needs to operate properly. If the voltage drop caused by high resistance is severe enough, the circuit may not work at all.
Basic electrical diagnostic principles are reviewed so you can confidently understand how to interpret the voltage readings when you make them as part of your electrical diagnosis.
The key to successful diagnosis comes down to answering three questions.
1) What voltage do I expect?
2) What voltage do I measure?
3) What does it mean?
This course includes demonstration videos and case studies to help you see why specific measurements are made and how the results of these measurements allow you to narrow down, and pinpoint where a fault is located.
Ground side and power side voltage drop are explained and demonstrated, and the understanding you need is provided so you will not be fooled by these challenging issues.
Also discussed are safety and maintenance considerations to help keep you and the vehicles you service out of trouble.
Collectively, the information provided in this course will be a welcome addition to your mental toolbox and save you time and headaches that can occur from strange and intermittent electrical problems.
Letâ€™s get started!
Who this course is for:
Do-it-Yourselfers or Anyone who wants to learn how to Diagnose Unwanted Voltage Drops and High Resistance Problems on Automobiles.
Anyone looking to Eliminate Wasted Time by learning a systematic step by step approach to automotive diagnostics.
Beginner Automotive Students looking to better understand Automotive Electrical and Schematic Diagrams.

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Car Repair

Steven Liguori

Instructor's Courses

I am a fully Certified Master Automotive Technician by ASE (Automotive Service Excellence) and Scored 100% on the Electrical/Electronic Systems Certification Test. I have been a coach and teacher for most of my life, training students both young and old. In my 26 years of experience as an Expert Diagnostic and Repair Technician for Automotive Dealerships, I was the go to guy for vehicles with problems that no one else could fix, as well as a Shop Foreman and Instructor of fellow technicians. More recently, I have educated students for almost 10 years as an Instructor of Automotive, Electrical, and Electronics systems at a Technical School in NY. While there I received a Recognition Award as Top Instructor for being able to get through to students that others thought could not succeed.To me Teaching should be about:Getting the Students Involved in the Learning Experience.Lecturing with a Purpose, not just to show how much you know.Teaching in a way that lets students realize “I can do this”, not how hard it is.I am Passionate about what I do – I am here to teach and take Great Pride in every Light Bulb I Can Turn on.

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