Machines | The Trainer #32: How To Read An Automotive Block Wiring Diagram
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As we've shared with you over the years, there are three areas you need (at a minimum) to be assured of success when tackling an electrical diagnosis. The first is a solid understanding of electrical fundamentals. You need to be comfortable in your knowledge of what voltage, resistance and current are and the relationship between them. We covered those as the main topic of a Trainer video we posted back in May of this year. Second "must have" is competence in a variety of electrical testing techniques, starting with the understanding of what your digital multimeter (DMM) can and can't do. You should know how to perform a static resistance test, static voltage test, dynamic current tests, and absolutely be confident in your ability to perform and understand a voltage drop test. We've covered these topics and more in videos and archived webinars that you'll find in the AutoPro Workshop and on our YouTube channel. Third on the list is the ability to read and understand a wiring schematic and/or wiring diagram. These are more than just the electrical road map that tells you what components are a part of the circuit you are troubleshooting. They are also instrumental in helping you understand how the circuit works and vital to organizing your diagnostic strategy. In the September 2013 edition of the Trainer, we'll focus on the third. We'll show you how to identify the circuit elements (source, load, control(s), circuit protection and path) and, based on that information, how to decide on what type of tests you'll need to perform. Then we'll walk you through a simple circuit diagnosis and show you how to put all this "theory" to use! Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub Due to factors beyond the control of Motor Age, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. Motor Age magazine (Advanstar Automotive Group) assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Motor Age recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of Motor Age, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not Motor Age magazine or its corporate parent, Advanstar.
Comments
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Thank you!
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Thank you for your detail information, it is like going back to school to learn but this time you pay more attention because you see and understand the usefulness of the information. I really appreciate your video's.
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Nice video.
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Thanks for your information… :)
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can you help in the symbols?
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thanks a lot , do you have another video on the same subject ?
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u r the man
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thanks
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This was helpful and iam thankful for your detailed input.
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awesome video excellent description of how power flows and seeing how to interpret a basic schematic.
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Good video but I had to rewatch it after the first time due to the fact you were using a horrendous Mac computer. I was distracted by your desktop icons in amazement until I realized it was on a horrible abomination known as Mac. But great informative video
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How I can find the electrical wiring diagrams for hyundai vehicles?
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Thanks , good job!
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What program were you using, where can I get it.thanks Rory E-Mail me info rebel_eagle75@yahoo.com
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What do the color codes mean on the wiring harness of a auto electrical system thanks for the feedback??
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Thank you for sharing your knowledge
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Thanks for excelent training video. I am very familiar with diagrams and electronics but really appreciate Your job. Thanks again :) .
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Thank you so much for this video! I'm trying to troubleshoot a problem with my turn signals and I had no idea what I was looking at in the wiring diagrams. This gives me what I need to test the circuit.
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Very informative video even for an electrician
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Thanks!