Changing my switch help needed (1 Viewer)

Mar 10, 2021
16
4
Sheffield, UK
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79,669
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Vw crafter lwb
Exp
Newbie
I'm changing my isolator switch to a blue sea one and not sure on the wires
 

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pappajohn

LIFE MEMBER
Aug 26, 2007
43,207
48,813
Dark side of the moon
Funster No
172
Exp
Since 2005
You will need to connect the two black wires together then the two red cables across the switch.... On in... One out.
Won't make any difference which way round but the top wire on the old switch to 'input' on the new one will keep it right.

Incidently, the old switch is a 400v 3 phase isolator for 3 phase electric.
 
Dec 2, 2019
3,554
7,697
Amersham
Funster No
67,145
MH
van conversion
Exp
Since 2019
I was that suggested to change the AC switch to a proper DC battery isolator, as pappajohn said, join the negatives together and connect the positive each end to each studs. That wire looks very thin, what does it feed?

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