Quote:
Originally Posted by JFP in PA
On the early Boxster's, the radiator fan speed was controlled by resistors in the circuits, which were mounted on the radiators themselves. As these were prone to fail over time, Porsche later switched to pulse width modulated fan motors, which eliminated the resistors, but when the PWM fails, you need to get an entire fan assembly.
Yours should be the resistor type.
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OK, I get it. The resistor would smoothly controlled the speed? Or it would be low and high?
As for testing - without durametric how one would activate speeds.
According to the parts catalogue all Boxsters (986) were equipped with same radiator fan (resistor based). It lists just one part number.
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