2004 Grand Caravan Front blower will not come on.

First check the voltage at the front blower moter. If it has voltage then it may just need a new motor.

First Check the Front Blower Relay located in the IPM Fuses and Relay box in the Engine Compartment. There should be individual Front and Rear Blower Relays. The Identification and Location should be on the rear of the IPM Cover. If not check your Owner's Manual.
Switch these two Relays and recheck operation of the Front and Rear Blowers again. If the Front now works and the Rear does not, then the Relay was bad and needs to be replaced.
However the most common problems I have found is that the Front Blower only works on High. Is that the Case? Check it to be sure. If it only works on High then it is 100% the Resistor that is bad and needs to be replaced. The Front Blower Motor Resistor fail in these more often that the Blower Motor itself.
Remove the Dash Glove Box out of the Dash to gain access to the Resistor.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.Com!

check for 12 volts at blower motor with the key on and the fan switch on,if you have the voltage replace the motor,

Check the front blower to make sure it is working.

The front blower resister has gone out The location is under the right side of the dash and not hard to get at once the lower panel is removed .The part runs about $30 i hope this helps:)

There may be a fault in the control group in the dash--there is a resistor that controls motor speed as well as the speed switch.

I had the same problem. It was the blower motor resistor. To verify this, open the glove compartment and push in on the sides to release it from the dash. The resistor is right in front bolted into the duct with two screws (9mm Hex head) and their are two electrical harnesses connected, one with 5 wires and the other with 2 wires. To bypass the resistor, take a piece of wire and connect the plain dark blue wire to the black wire. If the blower comes on, the resistor is bad. Make sure that you have the fan on high to tell if it runs. The resistor should be in stock at a dealership and cost approximately $30. The Blower Motor Assembly costs about $90. Removal of the part is simple, disconnect the two harnesses and unbolt the two screws.

check the fan blower relay. this is the one powering up the blue wire going to the motor.

maybe it has a separate fuse. check from other locations. could be in the passenger kick panel.

tnx 4 using fixya,

drcool

vacume line take the front off the dash so it want get the way. look at all line theres a valve looks like a flat round disk if it dont work than throw it . plus your fan has 3 to 5 stages on the moter like low med hight

I had some what of the same problem But mine only worked on high. I changed the blower resistor. It only costs about 14 bucks and its located inder the hood in the upper passenger side. I sure hope this helps.. It solved mine. [email protected]