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Electric Fan Confuzzlement

347 Views 9 Replies 5 Participants Last post by  93celicaconv
Hey everyone:)
I have a 1991 Corolla with 4AF carburettor engine. I have a problem where the fan doesn't turn on unless the fan switch (which is located near the thermostat) is unplugged. I thought that the problem was the fan switch, but today I was working on something unrelated and bumped a wire (pictured) next to the battery and the fan randomly started up. On looking closer, the box that the wires go into (pictured) is quite corroded making a dodgy connection. Clearly there is a problem here. Does anyone know what this thing is or how I could fix it (it looks like the insides of it are beyond repair)?
I am highly confused as to what this thing does.
Thanks in advance.
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1991 Corolla DLX 4AFE, 1994 Camry LE 5SFE, 1995 Avalon XLS 1MZFE, 2004 Sienna XLE/LTD, 2011 Camry LE
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You’ve mentioned components whose locations cover the entirety of your engine bay, and have also posted a highly zoomed-in picture of a single connector. Not sure what you’re trying to accomplish.
 
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