This manual covers the 80, specifically the B4 generation (Typ 8C), produced from 1991 to 1996. Available as a Sedan or Avant (Wagon), this model continued the legacy of build quality and engineering. It offered a range of engines, including 1.6L, 1.8L, 2.0L, 2.3L five-cylinder, 2.6L V6, and 2.8L V6 options, paired with either front-wheel drive or the iconic Quattro all-wheel drive system. The 80 was recognized for its refined interior and handling, competing effectively in the compact executive class.

This comprehensive Workshop Manual and Electrical System Wiring Diagram provides detailed information for 80 owners, enthusiasts, and technicians. It covers the vehicle's entire electrical architecture, including wiring harnesses, lighting, ignition, starting, charging, fuel, and engine management systems. The manual includes troubleshooting guides, component testing procedures, wiring repair techniques, fuse and relay identification, connector pinouts, and diagnostic charts, enabling efficient and accurate diagnosis and repair of electrical issues. Its specialized focus on electrical systems offers in-depth data essential for maintenance, restoration, and repair projects.