Where is the temperature sending unit on 1966 thunderbird?

On a 1966 Ford Thunderbird, the temperature sending unit is typically located near the engine block, specifically on the intake manifold or cylinder head. It is usually positioned on the driver's side, near the thermostat housing. This unit measures the engine coolant temperature and sends the information to the temperature gauge on the dashboard. If you're having trouble locating it, refer to the vehicle’s service manual for a detailed diagram.