This manual pertains to Manta and Ascona models, likely encompassing the Manta B (1975-1988) and Ascona B (1975-1981) generations, equipped with the 1.9 Litre engine. These vehicles are renowned for their rear-wheel-drive dynamics and classic European styling, with the Manta B offering a sporty coupe body style and the Ascona B available as a practical sedan or hatchback. The engineering quality and reliability of these models have made them enduring favorites among enthusiasts and collectors, representing a significant era in automotive design and performance.

This comprehensive wiring diagram and electrical service manual focuses on the electrical system, specifically detailing the integration of the Universal EZ20 wiring harness and providing thorough electrical troubleshooting guidance. It covers a wide array of electrical components, including lighting, ignition, starting, charging, gauges, HVAC, audio, and engine management systems relevant to the 1.9L engine. The manual is designed to assist owners, mechanics, and technicians in understanding, diagnosing, and repairing electrical issues, facilitating accurate system restoration and customization projects.