2002 Dodge Dakota. The blower switch on the dash only works on high. Nothings happens on the lower settings. Since this is also the on-off switch no heat comes out unless it is turned all the way up. Since the blower fan still works I suspect that the switch on the dash is bad and needs to be replaced.
If u have replaced the blower resistor and the problem re occurs check the connector to the resistor to make sure the connector is not burnt. if it is there is a replacement connector through dodge. the cause is the blower motor itself drawing to many amps. the blower motor and resistor must be replaced. i had the same problem.
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I'm assuming you mean the fan only works on high. If that's the case the blower motor resistor is bad. When the fan switch is on high it puts a full 12Volts to the blower motor. When you have the switch in any other possition, the voltage is routed through the resistor and reduced thus making the motor run slower.
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
I have an 2002 Dakota , my blower is on passenger side of truck, under dash by feet there was 4 small screws to take out blower just came out on mine. Something to check see if there is a electronic card in behind the blower, mine had that, change the card if it has one that controls your blower speeds, when mine went bad only had off and high for a few months, then none, changed blower no go, then found out about this card, dealer cost about $75 canadian, auto wreckers $25 canadian ... hope this helps.
Sounds like a card located under dash behind your blower motor, on passenger side.When card starts going bad you will only have off and high (for awhile), then none. change the card, this thing controls your speeds on the motor at your control on dash. I have a 2002 Dakota had same problem... but keep in mind not all Dakotas have this card.