This detailed wiring diagram manual is a comprehensive guide to the electrical system of the PORSCHE 928 S Model 90. It provides an in-depth understanding of the car's electrical components and their interconnections. The manual is filled with clear illustrations and diagrams, making it easy to navigate and understand, even for those with limited electrical knowledge. By utilizing this manual, you can confidently troubleshoot and resolve electrical issues, saving you the cost and inconvenience of visiting a garage or workshop. With its comprehensive information and user-friendly format, this manual is an invaluable resource for any PORSCHE 928 S Model 90 owner seeking to tackle electrical problems independently.

The Porsche 928 S, produced between 1980 and 1986, is a high-performance grand touring coupe that stands as a testament to Porsche's commitment to innovation and engineering prowess. This variant, known as the "S" model, marked a significant step forward from the original 928, incorporating numerous enhancements that elevated its performance and refinement. The heart of the 928 S resided in its powerful 4.7-liter, naturally aspirated V8 engine, boasting a substantial output of 237 horsepower and 273 lb-ft of torque. Coupled with a sophisticated 5-speed manual or 3-speed automatic transmission, this engine propelled the 928 S to remarkable speeds, achieving a top speed of over 150 mph. The 928 S also featured revised suspension components, including stiffer springs and shock absorbers, resulting in an even more engaging and controlled driving experience.

Beyond its performance, the 928 S impressed with its luxurious and well-appointed interior. Featuring leather upholstery, power windows and seats, and a premium audio system, the cabin provided a haven of comfort and sophistication for both driver and passengers. The 928 S's design was a departure from the classic Porsche ethos, with its distinctive fastback profile, sloping hood, and wide, low stance. This innovative design language proved successful, garnering praise for its sleek aesthetics and aerodynamic efficiency. The 928 S, despite its short production run, cemented its place as a highly sought-after collectible and a testament to the enduring legacy of Porsche engineering and design.

**Please note:** The wiring diagram you requested is a technical document specific to the electrical system of the Porsche 928 S. It would be incredibly difficult to find and provide such a document online. You might need to consult specialized automotive repair manuals or Porsche service centers for this information.