2003 jeep wrangler tj 2 4l my coolant fan won t come on.
Jeep tj radiator fan not working.
If the radiator fan is not working it s a serious problem.
Attach a fused jumper wire to the terminal on the cooling fan that is more exposed after unplugging the electrical connector.
However the fan in front of the radiator did not come on.
Should the blower motor seem fine and pressure is not an issue but the fan only works on some speeds then it could indicate a problem with the resistor.
Crdmiller i flew up to a little town in montana and drove it back.
Blacklibertycrd i turned on the a c as you suggested.
If this resistor begins to fail then you will see air blow at only some of the fan speed settings.
Just because the radiator fan is not on does not mean that it is not working.
I replaced the coolant senser the relay and fuse still won t come on.
Your jeep commander s radiator fan has one of the most important jobs on the vehicle.
Attach another jumper wire to the other terminal connecting it to the negative battery terminal.
Should the resistor entirely fail then no air will flow through the jeep s vents at all.
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The main fan was working i never saw it go off even though i was just idling from a cold start in the driveway.
It is the last line of defense between you and an overheating engine.
I hot wire fan to the battery it comes on posted by michael iannone on feb 10 2017.