The Porsche 928 GTS, produced between 1992 and 1993, represents the pinnacle of the 928 lineage, a front-engine, rear-wheel-drive luxury grand tourer renowned for its innovative transatlantic design and potent V8 performance. Featuring a 5.4-liter naturally aspirated V8 engine producing 326 horsepower and 370 lb-ft of torque, the GTS variant boasts widened bodywork and enhanced aerodynamics. This model blended the comfort and practicality of a four-seater with the dynamic capabilities expected of a Porsche, positioning it as a unique offering against competitors like the Ferrari 412 and BMW 8 Series. Its engineering excellence and distinctive front-engine V8 layout have cemented its status as a highly collectible classic.

This manual serves as a comprehensive guide for the Porsche 928 GTS, focusing primarily on its electrical system diagrams and troubleshooting. It details electrical component identification and function, covering powertrain, chassis, body, and safety systems. Within its approximately 100-250 pages, owners and technicians will find detailed schematic diagrams, pinpoint diagnostic procedures, and component location information. The manual also includes fuse and relay identification, wiring harness details, and technical specifications, all presented in English with original German technical terms. Its text-searchable format ensures efficient access to information crucial for maintaining and repairing the vehicle's complex electrical architecture.