Free course
Certification
Basic
12-Volt Electrical Fundamentals for Upfitters
Volts, amps, wire sizing, fuses, relays, connections, grounds, protection, labeling, data lines and diagnostics, explained for people who have to make it work on a vehicle that vibrates for ten years. Includes the pros and cons of every method, the specs behind them, and a hall of shame so you know what to watch out for.
13 lessons
2 hours 53 minutes
Lesson quizzes
1 enrolled
| Responsible | Joe Manno |
|---|---|
| Last Update | 09/21/2026 |
| Completion Time | 2 hours 53 minutes |
| Members | 1 |
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Shop Floor
Basic
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The Basics2Lessons · 27 min
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Preview New 10 xp
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Where the Amps Come From: Alternators, Batteries and the Idle ProblemNew 10 xp
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Getting Power There3Lessons · 44 min
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Wire: Why the Jacket, the Gauge and the Length All MatterNew 10 xp
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Fuses and Breakers: The Fuse Protects the WireNew 10 xp
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Relays, Diodes, Timers and the Rise of the PDMNew 10 xp
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Making Connections3Lessons · 45 min
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Connections: Solder, Crimp, Lever Nuts and Sealed PlugsNew 10 xp
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Grounds: The Half of the Circuit Nobody PhotographsNew 10 xp
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Protecting and Routing: Where Wire Is Allowed to GoNew 10 xp
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Data & Diagnostics4Lessons · 57 min
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Labels and the As-Built: Writing It Down for the Next TechnicianNew 10 xp
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Data Lines: CAN, Gateways, Twisted Pair and CoaxNew 10 xp
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Meters and Diagnosis: Two Modes, Four Numbers and One HabitNew 10 xp
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The Wrong Way: A Hall of Shame, and Why Each One HappensNew 10 xp
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Certification1Lessons ·
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Certification exam: 12-Volt Electrical FundamentalsNew
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