In How to Diagnose and Repair Automotive Electrical Systems, author and ASE (Automotive Service Excellence) Certified Master Technician Tracy Martin explain the principles behind automotive electrical systems and describes how they work, with a focus on cars of collectible and classic eras. Now, readers no longer need fear that jumble of wires beneath the dash or hood of their vehicle.

Automotive electrical systems can seem a mystery, if not a black art, to the weekend mechanic and even to a number of experienced pros. From Ohm’s Law and an explanation of 12-volt systems to specific electrical scenarios and more, Martin thoroughly dissects the automotive electrical system and explains the various tools needed for diagnoses and repairs, such as multimeters, voltmeters, timing lights, coil testers, lab scopes, and more. Also included:

• Storage batteries
• Charging and starting systems
• Ignition systems
• Fuel injection
• Reading wiring diagrams
• Troubleshooting

When it comes automotive electrics, readers need never fear being lost in lost in the dark again. Whether you have a bad ground, an amp draw, or some other gremlin, How to Diagnose and Repair Automotive Electrical Systems is the best tool available for understanding and diagnosing electrical problems.

The Motorbooks Workshop series covers topics that engage and interest car and motorcycle enthusiasts. Written by subject-matter experts and illustrated with step-by-step and how-it’s-done reference images, Motorbooks Workshop is the ultimate resource for how-to know-how.