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Wiring Fundamentals


Why are our online courses better than a physical workshop? (Other than being a fraction of the price.)

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The Wiring Fundamentals course will give you the knowledge, skills, and confidence to successfully design and construct an EFI wiring harness, avoiding costly and damaging mistakes.

You will learn the basic electrical principles that govern how an EFI system functions and how to use these principles to design a robust power supply and grounding system, ensuring your EFI system is free of troublesome electrical gremlins, making the tuning process much easier. You will learn about the materials used to build EFI wiring harnesses for different applications, and how to determine which materials are right for your particular project. You will learn about the tools required for harness construction, where to source them without spending a fortune, and how to use these tools to get a professional and reliable result.

The concepts presented in this course are the fundamental core principles of EFI wiring harness design and construction, and are relevant regardless of whether you are wiring a long stroke, big cube LS, a turbocharged 6 cylinder 2JZ, or a high revving naturally aspirated 4 cylinder K20. No matter the EFI project, the information learned in this course will be 100% applicable to you.

This course is theory-based, and contains the knowledge and techniques we believe are essential foundations to anyone interested in building EFI wiring harnesses. Once you’ve completed this course we recommend our soon to be released Practical Wiring Harness Construction course which takes these principles and applies them in real EFI wiring harness construction examples that you can follow along.

What you will learn
  • How a relay works and why you need them
  • How to choose the correct gauge of wire
  • About trigger systems and how to wire them
  • The importance of grounding
  • Wiring ECU inputs and outputs
  • About voltage, current and resistance

Common Questions

Can I watch the course videos whenever suits me?

You can access your course material via our website, 24 hours a day, 7 days a week, 365 days a year.

How long do I have to watch the course videos?

Once purchased you have LIFETIME access to your training course/s. Lots of our customers use these course videos are reference material throughout their careers.

Can I watch the same video more than once?

Of course, lifetime access means you can watch every module just 1, or even 1000 times. It's up to you how and when you learn and then reference your course material.

What tools do I need for this wiring course? 

We outline all the common tools and uses in the course. If you find that the investment in tools is too much after buying the course, send us an email and we will refund you. However at a minimum, we recommend basic wire strippers, crimpers, digital multimeter, LED test light and relevant materials for your project. Don't worry, you'll learn more about all of these in the course and more.

What skill level is this course aimed at?

This course starts right at the beginning making it ideal for beginners with no experience what so ever. It also provides great information at a more intermediate level for those who have already had some experience.

Do I get a certificate?

Yes, we provide a digital certificate of completion with every course you complete. This is great for the workshop wall or CV.

Does the payment plan cost me extra?

No! The payment plan just splits the total price for absolutely no extra fees or charges. If you miss a payment, you can even pick up where you left off as life happens, sometimes finances go wrong, and we won't punish you for it, we're here to help you learn instead first and foremost.

Can I use this knowledge for more than just cars?

Of course. While we are focused on motorsport wiring for cars in our examples, the fundamentals of wiring carry over into much more than just this. People are also using this course material for motorbikes, boats, 4x4's and various other wiring projects that require reliable materials and techniques.

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