Have a fan noise after truck is turned off you have to disconnect battery to stop it is it possible the aimatic pump or relay. It is under the hood on drivers side?

Most vehicles let the fan run after you shut off the engine if it is hot. It will shut down after a few minutes. If you still have problems please post the year, make, model and engine to help us help you.
Most vehicles let the fan run after you shut off the engine if it is hot. It will shut down after a few minutes. If you still have problems please post the year, make, model and engine to help us help you.