Do you mean you have no heat or no blower motor working.for the heat make sure the cooling system is full .then check the heater hoses to see if they are the same temp with the engine at operating temp.if not then you probably have a plugged heater core that will need replacing or you can try to unplug it by disconnecting the heater hoses and connect spare hoses to the spiggots and pour clr into the heater core and let it sit for 30-60 minutes.flush out and reconnect heater hoses and run to operating temp and check.how long has it been since the thermostat has been changed.if its the blower motor check the fuses.if they are good then try tapping the blower motor to see if it starts to work if so then you will need to replace the blower motor.if not then you will have to check the motor resistor as these go bad often.
SOURCE: 95 dodge dakota heater blower not working
It has been a long time since I've replaced one of those. From what I remember you don't have to go through pulling the heater box out. You do need to remove the glove box assembly. Look up under the passenger side of the dash. If you see the bulge of the motor/cover hanging straight down then remove the cover and the motor will be there. If you don't see that then te motor is mounted horizonally. If that is the case then the fresh air door assembly will need to be removed and it is behind that.
Here is a quick check to see if the motor is bad. Thump the bottom of the heater box by the passenger's feet. if the motor comes alive or makes noise then it is bad. Also check the fuse and make sure that it doesn't work on any speed. (the resistor would prevent operation on only one speed or more but generally not all speeds)
SOURCE: wiring diagram for heater
Here a link to some online stuff . http://www.freeautorepairmanualz.com/search/online+free+auto+service+manuals/
SOURCE: Heater fan only works on the two low settings.
if you have checked the switch as recommended, it is most likely to be the heater resistor which contols the diffrerent speeds. it is
normally fited near to the motor and is a squarish block with multiplug on it and coils like springs in the centre of it, look at the coils they may be burnt out.hope this helps
SOURCE: Location of heater control module on Dodge Dakota 2002
The heater control module is in most newer vehicles the heater control panel in the dash. Where the fan, heat, a/c controls are...
SOURCE: 2002 Dodge Dakota 4WD Sport, 6 cylinder. Gear
look at the shifter linkage, and as far as the heat check your heater core
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