OEM Coolant “Idiot” Light Sensor

Genuine OEM coolant warning light sensor, commonly known as the “idiot light” sensor, removed from an original Turbo Buick. This sensor triggers the dashboard warning light when coolant levels or temperature exceed safe limits — a vital component for maintaining factory functionality and reliability.

The connector and threads are in great shape, and the sensor body shows wear. Perfect for anyone restoring their factory warning system or troubleshooting a non-functioning coolant light on a stock setup.

🔹 Condition: OEM Used – Good condition, removed from a running vehicle
🔹 Compatibility: 1986–1987 Buick Grand National, Turbo T, T-Type, Regal 3.8L Turbo
🔹 Includes: 1 OEM coolant warning light (“idiot light”) sensor
🔹 Notes: Clean threads and terminals; ready to install