The Porsche 928 S, produced in 1987, represents a significant evolution in the 928 lineage, featuring a powerful 4.7-liter V8 engine and a rear-mounted transaxle for optimal weight distribution. This model, with its distinctive aerodynamic enhancements and advanced engineering for its time, was designed as a grand tourer, blending high performance with comfort for long-distance driving. Known for its innovative design and the inherent build quality associated with Porsche, the 928 S offered a sophisticated driving experience, including standard Anti-lock Braking System (ABS) and a driver's side airbag.

This comprehensive Wiring Diagram Manual and Electrical Troubleshooting Manual, written in English, is specifically tailored for the 1987 Porsche 928 S. It provides detailed coverage of the vehicle's electrical systems, including engine management electronics, lighting, instrumentation, climate control, power accessories, audio systems, ABS, and more. The manual offers systematic troubleshooting guides, clear wiring diagram interpretation, component testing procedures, and detailed connector pinouts, empowering owners and technicians to effectively diagnose and repair complex electrical issues, ensuring the continued optimal performance and reliability of this iconic vehicle.