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Fd3s cooling fan switch advice

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Old Jun 9, 2016 | 11:08 AM
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imitek
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From: portsmouth
Fd3s cooling fan switch advice

After temp switch that will close at 90ish degree c and open at around 85
Not sure when the fc closes and opens ( i've read they are straight fit )
Is there an adjustable switch that fits into the stock hole in back of filler neck

Also if you put links of there they could be purchased from please thanks
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Old Jun 11, 2016 | 09:38 AM
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imitek
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From: portsmouth
So I've remove my old one and from my measurements I belive the thread is m16 1.5
Thort I'd test it put it in some boiling water with a temp gauge attached to sensor it close circuit at 68d C
And open at 50d C
Is this correct ? Or is this sensor dodgy
Ether way I've ordered this part to test once engine back in vehicle I have ecu controlling cooling fan at moment but wish to use simple switch to do so to free up an auxiliary output

Unique Identifier: 85-80°C Range
Quantity Included: 1
No. Of Terminals: 2
Housing Colour: Grey
Connector Shape: Oval
Temperature Range (°C): 85-80
Thread Size: M16 x 1.5
Spanner Size: 21
Technical Information: Circuit Normally Open



http://www.ebay.co.uk/itm/191736395361

Last edited by imitek; Jun 11, 2016 at 09:40 AM.
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Old Jun 11, 2016 | 10:38 AM
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From: https://www2.mazda.com/en/100th/
the stock FD switch, F202-18-840A is listed as switching at 108C.

the FC switch is identical, but switches at a lower temp (parts catalog doesn't say, i think its 95c), PN41-18-840

whomever made the switch (Nippon Denso?) probably has, or had others with different switch points, but the same connector
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