Introduction. The main difference between electrical and mechanical reliability is that generally speaking electronic systems do not wear out (with some exceptions). MLA style: automobile. Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2016. Web. 13 May. 2016 . Automobile Electrical and Electronic Systems Third edition Automobile mechanical and electrical systems 1. Automobile Mechanical and Electrical Systems Automotive Technology: Vehicle Maintenance and Repair Electrical systems differ around the world - both in voltage and less critically, frequency. The physical interface (plugs and sockets) are also different and often. AUTOMOBILE. Suspension and Steering; Brakes; Electrical/Electronic Systems; Engine Performance; Engine Repair; Automatic Transmission/Transaxle; Manual Drive Train. Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics, and electromagnetism. Magneti Marelli Electronic Systems is the Magneti Marelli business area with headquarters in Corbetta (Milan) that deals with electronics in the automotive sector. Automobile electrical system has gradually evolved over the years and today it assimilates automatic computer control of the automotive mechanics. Take a look under the hood: all the details you need on the ASE Test Series. There are more than 40 ASE certification tests, covering almost every imaginable aspect.