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wagonist
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Toymods Club Treasurer

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Registered:
May 2002
Re: Celica Fan always on? (ST162) Mon, 01 November 2004 01:06 Go to previous messageGo to previous message
The fan(s) are usually wired up together.

They are controlled by 2 different things:
when the car gets hot it will turn them on via a coolant temp switch
or
when the A/C is on

The coolant circuit is a lot easier to trace, so better off starting there.
ie +12v to relay, then to fan, then to switch, then earth

later cars have the fans controlled by the ECU as well ie when A/C is on, or temp too high, but I doubt this is the case in an 80's car.

[Updated on: Mon, 01 November 2004 01:08]

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SubjectPosterDate
Read Message   Celica Fan always on? (ST162) DJR_Mon, 01 November 2004 00:30
Read Message   Re: Celica Fan always on? (ST162) wagonistMon, 01 November 2004 00:39
Read Message   Re: Celica Fan always on? (ST162) DJR_Mon, 01 November 2004 00:46
Read Message   Re: Celica Fan always on? (ST162) wagonistMon, 01 November 2004 00:55
Read Message   Re: Celica Fan always on? (ST162) DJR_Mon, 01 November 2004 01:00
Read Message   Re: Celica Fan always on? (ST162)  wagonistMon, 01 November 2004 01:06
Read Message   Re: Celica Fan always on? (ST162) sideshowMon, 01 November 2004 01:06
Read Message   Re: Celica Fan always on? (ST162) jonchaiMon, 01 November 2004 06:54
Read Message   Re: Celica Fan always on? (ST162) ScorpionMon, 01 November 2004 10:41
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