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Old 05-29-2002, 04:05 PM
Arthur Dalton Arthur Dalton is offline
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,768
High fan is 105/107 cut-in via coolant temp sender unit at thermostat neck. [ blue 2 pole]

Low fan is a/c high side pressure switch dependant.
Quick Fan circuit test is to jumper high pressure fan sw. at a/c drier. [ the sw with the 2 wire leads]
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