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Thermo fan switch

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Old Dec 15, 2014
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Thermo fan switch

Hello,
I have a 1991 civic hatch back, 4ST, Canadian and no AC.
Set out to repair the rad fan and finally got the connectors apart and tested
the fan directly to the battery, it works fine.
My Haynes manual shows the thermo fan switch close to the lower rad hose but I have pulled the lower covers and searched for sometime. I don't see
anything there. As mentioned in another thread, I thought I had located it
down below the dizzy and pulled the connector and shorted it to test the
thermo fan switch and got a code six and a lesson in the function of the Coolant Temp Sensor..
I don't see anything that looks like the thermo fan switch around the thermostat housing either. 2 wires are connected to one bolt down there but
nothing looks like the thermo fan switch.. Anybody have any other ideas where to look?? Could it be that maybe I don't have one?
Also I keep reading about the coolant fan timer.. not sure if
that is the big silver unit bolted below the battery??
Thanks

Last edited by scout206; Dec 15, 2014 at 11:57 PM. Reason: spelling
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Old Dec 16, 2014
  #2  
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Re: Thermo fan switch

Look on the back of the block?

(didn't have time to research this answer at the moment)
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