It s a common problem on 03 jeep grand cherokee.
													
																	Jeep grand cherokee radiator fan wont turn on. 
									
																	It s your radiator fan relay switch. 
																	It has fire going to the fan motor submitted. 
																	It s an easy fix. 
																	If the cooling fan stops working most do it yourself. 
															
													
									
																	1995 jeep cherokee overheatinghello all got a slight over heating problem with my jeep. 
																	On the 1999 2004 jeeps it is in a tough spot under the right headlight housing. 
																	Without it the engine can reach dangerous temperatures and damage engine components. 
																	While there are a variety of reasons your jeep grand cherokee air conditioning won t work the most common 3 are a refrigerant leak an electrical climate control issue or a problem with the air conditioning compressor. 
															
													
									
																	15 people found this helpful. 
																	37 of the time it s. 
																	The cooling fan in a jeep grand cherokee keeps engine temperatures at the correct level by kicking on during times when the engine reaches higher than average temperatures. 
																	A switch attached to the radiator outlet tank above the radiator lower hose senses engine coolant temperature. 
															
													
									
																	The fan is controlled by a relay mounted on the left inner fender panel.