The fan speed is controlled by a network of resistors. Most likely the
resistor associated with the #2 speed has burned out. I am not sure where
the resistors are on a '99. On older Rangers they were on a board screwed
into the heater air box and they could be easily removed from the engine
compartment. You might take a look and see if they are visible (look for a
group of wires going into the heater box). It is also possible you have a
bad switch, or a bad wire somewhere in the circuit. If the resistor
network can still be accesses under the hood, it would take only a few
minutes with a voltmeter to narrow down the problem.
ariss firstname.lastname@example.org wrote:
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