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AuthorTopic: Whats this voltage sensetive switch for ?  (Read 3435 times)

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Offline petergalileo

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Whats this voltage sensetive switch for ?
« on: April 04, 2006, 14:20:32 »
Got a yellow Relay in a range rover marked up as PRC 4427 - voltage sensitive switch.  Its not connected to anything and I am curious to find out what its for and what it does and whether it could be used for anything else.

Any ideas ?

Thanks
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Offline muddysteve

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Whats this voltage sensetive switch for ?
« Reply #1 on: April 04, 2006, 14:38:33 »
might be to do with the heated screen, this wont work unless the alternator is running and putting out power

Steve


ps. thats just a guess  :wink:
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Offline petergalileo

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Whats this voltage sensetive switch for ?
« Reply #2 on: April 04, 2006, 21:05:32 »
Managed to decipher it from the wiring diagram.  For information it is fitted to air-con models.  It cuts out the heated screen if the air con slows the engine down too much and reduces alternator output I think.
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1996 300TDi Discovery ES - Java Black, Stainless Bullbar, Electric folding mirrors, TD5 Steering Wheel in Beige - Doesn't get muddy !

Freelander 1.8 Xi - LR Bodykit, Light Guards.

Offline muddysteve

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Whats this voltage sensetive switch for ?
« Reply #3 on: April 05, 2006, 21:17:15 »
see i'm a mind of useless information me


Steve
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Offline Range Rover Blues

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Whats this voltage sensetive switch for ?
« Reply #4 on: April 08, 2006, 17:38:41 »
So it could be used for a split charge system then?
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Offline petergalileo

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Whats this voltage sensetive switch for ?
« Reply #5 on: April 08, 2006, 17:42:41 »
not really, it has an input and an output and a switched output that only goes live when the voltage is above 13.8 volts I think.

You only need a standard automotive relay for a split charge system anyway.
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1996 300TDi Discovery ES - Java Black, Stainless Bullbar, Electric folding mirrors, TD5 Steering Wheel in Beige - Doesn't get muddy !

Freelander 1.8 Xi - LR Bodykit, Light Guards.
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