Understanding vehicle electrical and electronic systems is core to the work of every motor vehicle mechanic and technician. This classic text ensures that students and practicing engineers alike keep abreast of advancing technology within the framework of the latest FE course requirements. The new edition includes updated and new material throughout, covering recent developments such as microelectronic systems, testing equipment, engine management systems and car entertainment and comfort systems. New self-assessment material includes multiple choice questions on each of the key topics covered. With over 600 clear diagrams and figures the new edition will continue to be the book of choice for many students taking IMI technical certificates and NVQ level qualifications, C&G courses, HNC/D courses, and their international equivalents, and is also ideal for use as a reference book by service department personnel. It is an essential book on auto electrics, fully revised. It contains all the latest automotive developments in an up to date course framework. It provides balanced coverage for experienced and inexperienced readers alike.