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Lesson 3 of 3

Check a source

Identify who created the information, when it was updated, and what evidence supports it. Compare important claims with original documentation or independent reliable sources.

Advertising, personal experience and research serve different purposes. A popular claim can still be wrong. Keep source notes so another person can trace your reasoning.

QuestionExampleExplain

Worked example

A forum tip says all car wires follow one color code. A model-specific service diagram is better evidence for a particular vehicle.

Try it yourself

Choose a claim online and find an original source supporting or correcting it.

Check your understanding

For a particular car, which is the stronger wiring reference?

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