Google ebook Understanding Automotive Electronics

An ebook that may be useful for the topics covered in level 3 Electrical and Electronic Systems:

Try “Search in this book” on the left hand side of the page (for the link below) for topics you are interested in.  The “Related books” area on the google books page may also be helpful.

http://books.google.ca/books?id=lu9BhR2T20YC&lpg=PP1&dq=automtive%20electronics&client=firefox-a&pg=PP1#v=onepage&q=&f=false