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91 xj electric fan question

dz1675

NAXJA Forum User
Location
wisconsin
I noticed that my electric fan does not seem to come on unless I disconnect the wire from the sending unit then it comes on, but if i plug it back in then it stops. I've read that its supposed to activate with the AC but my ac does not work and is empty. Any thoughts?
 
Maybe it's not getting hot enough for the sending unit to activate the fan. If the temp sender goes bad, or is disconnected, the default is to activate the fan. Even if the AC system is shot, the AC switch should activate the efan (on a '91).
 
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