Conquer the ASE B5: Mechanical and Electrical Systems in Body Shops is a focused, easy-to-follow study guide crafted for professionals preparing for the ASE B5 certification. Designed for collision repair technicians working in body shops, this guide emphasizes practical knowledge of mechanical and electrical systems that are commonly impacted by body damage and accident repairs. Topics include HVAC components, electrical wiring and connectors, fuse and relay testing, cooling systems, power windows, lighting, and sensor reinstallation. This book does not aim to be an exhaustive reference or comprehensive test bank. Instead, it is a streamlined companion designed to help readers identify key concepts, reinforce their understanding, and assess their readiness for the exam. Whether you’re reviewing ground circuits, diagnosing inoperative accessories, or replacing a radiator after a collision, this guide helps you target the material most likely to appear on the test. With short, clearly structured chapters and real-world examples, this study aid is ideal for busy technicians seeking certification without unnecessary complexity. It is best used alongside hands-on experience and more detailed textbooks or service manuals. This unofficial guide is independently authored and not endorsed by the National Institute for Automotive Service Excellence.