FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Mercury
>>
1993
>>
Grand Marquis V8-281 4.6L SOHC
>>
Repair and Diagnosis
>>
Relays and Modules
>>
Relays and Modules - HVAC
>>
Control Module HVAC
>>
Testing and Inspection
>>
Pinpoint Test D: No Medium Or Low Blower Speeds
Pinpoint Test D: No Medium Or Low Blower Speeds
Test Condition:
Start engine, set control to MAX A/C, set blower switch to MED or LO. If there is no blower operation, proceed as follows:
E1 - E2: