Where is block heater located 1991 Oldsmobile Delta 98 Regency?

In the 1991 Oldsmobile Delta 98 Regency, the block heater is typically located on the engine block, near the lower part of the engine, usually on the passenger side. It is a small, cylindrical device that may be positioned near the oil pan or freeze plug area. To access it, you might need to look underneath the vehicle or remove any engine covers. If you're having trouble locating it, consulting the owner's manual or a repair manual for your specific model can provide additional guidance.