Books on automotive electricals
For beginners
* Car electrical and electronics for dummies by Mark Lewis and Robert Rowland
* Automotive Electrics by Michael Crosby
* Automotive Electrics: Plain and Simple by Greg Stoya
* Automotive Electrical Basics by Adam Stephens
For advanced users
*A Guide to Automotive Electrics by Robert Bosch
* Automotive Electrical Handbook by Glen Holling
* Automotive Electrics: Theory and Practice by Donald Dunphy
* Electronics in cars by Ronald Abrams
Specialized books
* Car Charging System Diagnosis and Repair by John Fidale
* Electrical circuits and wiring in a car by Ronald Reimer
* Automotive Electronics: Diagnosis and Repair by George Morgan
* Hybrid and Electric Cars: Principles and Repair by Ronald Katz
Online resources
* [Auto Electricals](https://www.autoelectricals.org/)
* [About Auto Electrical](https://www.aboutautoelectrical.com/)
* [Automotive Electricity](https://www.automotive-electricity.com/)
* [Auto Electrical Training](https://autoelectricaltraining.com/)
* [Mitchell1](https://www.mitchell1.com/)
These books and resources can provide you with a comprehensive knowledge of vehicle electrical systems, from basic principles to complex engine control systems.