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Radiator fans Wiring diagram help

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robk
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Re:Radiator fans Wiring diagram help 2012/10/28 19:15:38 (permalink)
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Thanks for all your help mate!
Now I have plenty of things to check once I get a chance.

There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
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sprigs
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Re:Radiator fans Wiring diagram help 2012/10/28 19:20:55 (permalink)
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oh yeh just noticed that your car is a 1990 the locations should be the same but the part number will be different, since they changed the air con system after the 92 models.
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Road and Track
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Re:Radiator fans Wiring diagram help 2012/10/29 08:45:05 (permalink)
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i've had numerous cars with simialr faults. there are several versions of the a/c amplifier and i would strongly recommend you remove it and get the part number off it before ordering. the location changes slightly between models, but its always on a bracket up behind or beside the a/c box under the glovebox.

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sprigs
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Re:Radiator fans Wiring diagram help 2012/11/29 21:20:10 (permalink)
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Just an update, got a replacement a/c amp from ebay, installed it, now the fans are quiet :) I guess its fixed
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robk
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Re:Radiator fans Wiring diagram help 2012/11/30 00:03:48 (permalink)
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Nice one :-)

There is an extensive build thread for my car here: http://www.mr2australia.com/mr2play/tm.aspx?m=18316
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MRTurbo
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Re:Radiator fans Wiring diagram help 2012/11/30 09:26:40 (permalink)
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for some reason when I got my new alarm installed, the thermo fans turn on when IGN is ON and immobiliser is active, but when I press the fob button to disable the immobiliser (then start car), fans go off and work normally... weird.

1990 SW20 GT 3S-GTE Targa
2001 Honda CBR600F4i

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sprigs
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Re:Radiator fans Wiring diagram help 2012/12/01 23:03:26 (permalink)
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My theory is, it could be the immobilizer not supplying power to the amp and other components. With no power to the amp means the fans run on full speed. Though I don't understand why it doesn't give power to the amp when you turn the immobilizer off (when the key is in IGN ON position). Maybe its the design of the alarm to not to complete the circuit or give power until the engine is running as an extra precaution?
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