FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mercury
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1992
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Grand Marquis V8-281 4.6L SOHC
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Component Tests and General Diagnostics
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Electronic Climate Control
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Blower Motor
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E: No High Blower Speed
E: No High Blower Speed
IV Symptom - No High Blower Speed:
Test Condition:
Start engine, set control to MAX A/C, set blower switch to LOW or MED (blower turns), then switch blower to high speed. If blower does not go to full high speed: