Asked in heater cores and blower fans dodge ram van where is heater core located in 1985 dodge b250 van follow the two hoses usually black that are about the size of a garden hose from the motor. Does you heater blower make a lot of racket mine did too quick easy how to remove it and check it out. This video shows the process of diagnosis and repair for common hvac blower resistor wiring failure on dodge durango and other chrysler vehicles we strongly recommend doing a complete repair . The most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed usually high this can be annoying but troubleshooting is easy if you start at the blower motor and check resistance in the circuit you will find the problem in no time power supplied from the fuse panel . Worn blower motor causes repeat blower motor resistor failure however other factors can cause the blower motor resistor to fail prematurely for example as a blower motor ages and wears it can draw more current more current than the blower motor resistor was designed to handle in that case the blower motor resistor will fail repeatedly
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