500SEC (140.070) V8-5.0L (119.970) (1993)
Central Electronics Box Fan: Description and Operation
Operation
Module Box Blower Motor (M2/2)
OPERATION
The control units are located in the module box and therefore protected from dust, water, oil and other substances that could damage them. Some
models are equipped with a blower motor (M2/2) that controls the temperature in the module box (Phased out during MY 1994). The blower
motor is in operation;
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For 1.5 seconds after engine start if the engine speed exceeds 1200 RPM.
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If the temperature in the module box is above 60 °C (140 °F).
If the module box temperature exceeds 70 °C (158 °F), the base module will store a malfunction code.