I used this in college, went for automotive technologies. It covers in depth on AC/DC current, ohms law, watts law, capacitors, electro-magnets, a small chapter on car audio specifics, and a lot on automotive specifics (wiring diagrams, starters, alternators, batteries, etc).
Automotive Electricity and Electronics (3rd Edition): James D. Halderman: 9780135124062: Amazon.com: Books
First link i clicked probably can find one way cheaper. That's what i paid for mine at the college book store. //content.invisioncic.com/y282845/emoticons/mad.gif.c18f003ab0ef8a0d9c27ca78d77a6392.gif
If you are curious about anything else it covers i can look still got it, just haven't picked it up in a while so don't really remember what all is in it lol