I have a 2002 Dodge Grand Caravan. Just recently the front heat blower will only work on high, but the back blowers work. Now my windshield wipers work off and on and same with my power windows. I noticed yesterday that my cell phone wasnt getting a good charge in the car anymore. When I park the car in the garage, I smell something burning?? The power lock on the slider door works on and off, but the rest of the locks work?? Today, the heater wouldnt blow at all until I was driving for about 15 minutes and then they finally came on. Brrrrr, it's 10 degrees here. Help!! What's going on???
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Sound like a problem I have ahd before, unfortunately it sounds as if the fan switch has given out. You will need to remove and replace. On a Caravan it is not hard but you do take the bezel around the radio and a/c off and then remove the a/c controls in order to remove the swicth.
it's the blower motor resistor , it's behind the glove compartment, just make sure you disconect the neg. for battery first, open the glove comp. and pull the rubber stops towars the center so you can let the glove comp. hang all the way to the floor , the resistor it's in front of you, disconect the two conectors there's one big with 6 0r 8 wires coming out and another with only two, take them out by pressing on the side of each one, remove it , put the new one on , conect the battery and your done. it's about $ 13.00 at o'riellys auto parts .
2002 Grand Caravan. The rear heater also has a resistor for the fan speed control.(3 speed) It is located under the rear passenger side plastic cover. You can take off the rear tail gate lower plastic piece and this will let you pull out the side panel. You can reach in and take out the two screws that hold in the resistor and unhook the wiring adapter. You do not have to take off the whole side panel as you can reach in from the back. The resistor unit can be bought at you local dodge dealer.