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Home >> Cadillac >> 1987 >> Allante F7/ME9 >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic A/C-Heater Systems >> Component Functions >> Power Module >> Blower Speed Control
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Blower Speed Control

For every program number and ECC control panel setting, BCM has a calculated blower motor voltage. Based upon a signal sent from BCM, programmer sends a variable voltage to power module, which is then amplified and sent to blower motor. Programmer monitors blower motor voltage so that signal can be adjusted to achieve desired blower speed.

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