Vehicle & Technical > Range Rover

Whats this voltage sensetive switch for ?

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petergalileo:
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

muddysteve:
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:

petergalileo:
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.

muddysteve:
see i'm a mind of useless information me


Steve

Range Rover Blues:
So it could be used for a split charge system then?

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