Tutorials on the basics of car electrics:
* Automotive Electricity and Electronics (9th edition) Mattison, Miller
* Fundamentals of Automotive Electrical (10th Edition) Tom Dellvani
* Vehicle Electrical Systems Andrew Whittington
* Electrical Systems and Automotive Repair by Matthew Primley
* Auto electrics and electronics: theory and practice Ron Bennett
Guides for diagnosing and repairing car electrical systems:
* Car electrical equipment: diagnostic and repair manual (6th edition) Thomas Fellegi
*Car Wiring Diagram: Diagnostic and Repair Manual (7th Edition) Thomas Fellegi
* Diagnostics and repair of car electrical systems Danny Miller
* Diagnostic testing and repair of vehicle electrical systems Doug Carlisle
* Auto Electrical Diagnostic Manuals Mitchell 1
Car electrical reference books:
* Handbook of car electrics Motor Motor
* Chilton Chilton Vehicle Electrical Systems Handbook
* Encyclopedic Guide to Car Electrical Engineering by Jeff Hill
*Haynes Car Wiring Guide Haynes
* Car Wiring Diagrams Guide Bentley Publishing
Online resources:
* [AllData](https://www.alldata.com/)
* [Mitchell 1](https://www.mitchell1.com/)
* [Snap-on](https://www.snapon.com/)
* [Identifix](https://www.identifix.com/)
* [iATN](https://www.iatn.net/)