Sandra Sutton

Traveling and away from home in our towed 2007 Ford edge yesterday driving car to eat engine got hot noticed fan did not come on. when driving down the road by turning air conditioner off air cools motor. in town car gets hot at red lights. day 2 noticed fan did is still not coming on same thing on car getting hot. Checked anti freeze levels. Looked in guide book that came with car. Cannot find where a relay switch might be. looking for diagram and possible solutions