This is a 1985 Oldsmobile Electrical Troubleshooting and Service Manual for your Cutlass Supreme Delta 88 Royale, Custom Cruiser, and Toronado specifically designed for the United States market. It is a valuable resource for anyone looking to repair or maintain their Oldsmobile vehicle, as it contains detailed information about the electrical system and service chassis how to diagnose and fix any issues that may arise. The manual is in paper format and was published in 1985, making it a vintage piece of literature. It is a must-have for any Oldsmobile enthusiast or mechanic. Please No text messages they will not be answered. Phone calls or Email only Five20-two40-2six35.