Hymer 12v wiring

Joined
Jul 29, 2013
Posts
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Location
Salisbury
Funster No
27,215
MH
Hymer B678DL A class
Exp
since 2011
As I’m upgrading my 12v system to lithium I have a simple question to ask😊
The positive cables are all Black and negative Red on the existing is it wise to continue with this colour coding?
As it goes against all my UK knowledge of red=positive, black=negative and Green/yellow earth.
Also when connecting battery to battery up obviously red or brown = + and black = - will lead to having system battery terminals with the alternate colouring which can confuse?
I appreciate that Bus bars will be used for most connections.
I would be interested in comments from all of you knowledgeable folk out there.🤔😊
Many thanks in anticipation.😊
 

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