daveb666
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| posted on 18/2/15 at 09:13 AM |
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Battery Cut-Off
I'm fitting a battery cut-off to my car (more for security than safety) - therefore it's not a posh one with resistors etc, simply a cheap
turn-key eBay special.
Does it matter which terminal I fit it to? The switch will be on my dashboard so I was favoring using the ground instead of the live but am interested
to see if there is a right and wrong way to do it?
If I read Google then it's always the positive is used but that is in regards to racing regulations etc, which I'm not concerned with.
2007bc Photography - Commercial and Wedding Photographer based in West Yorkshire
http://www.2007bc.co.uk / http://www.huddersfieldcommercialphotographer.co.uk
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Ben_Copeland
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| posted on 18/2/15 at 09:19 AM |
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Positive!!!
You can use it for isolating your battery properly then. Earth should work but do it properly Dave 
Ben
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steve m
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| posted on 18/2/15 at 09:23 AM |
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I put mine on the Neg side, purely to keep all the power cables as short as possible
steve
Thats was probably spelt wrong, or had some grammer, that the "grammer police have to have a moan at
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whitestu
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| posted on 18/2/15 at 09:27 AM |
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I would say the positive as well. That's what I did. I find it a really useful security feature in that it stops passers by switching the lights
etc. on when the car is left somewhere unattended.
I bought ready made cables of the right length fairly cheaply.
Stu
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MikeRJ
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| posted on 18/2/15 at 09:29 AM |
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Doesn't really make any difference, the battery is isolated either way. Just don't disconnect it whilst the engine is running.
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lsdweb
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| posted on 18/2/15 at 10:31 AM |
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As Mike says, it makes no difference.
If you're having to extend cables to do it, then work out which you have to extend the least and use that.
There's no motorsport insistence on isolating the positive (the Cartek Battery Isolator disconnects the earth for example)
If there's no difference, I would use the negative / earth.
Wyn
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britishtrident
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| posted on 18/2/15 at 11:11 AM |
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If fitting for security you can get away with fitting it in the lead from the battery that feeds the fuse box rather than the main battery cable.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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daveb666
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| posted on 18/2/15 at 11:19 AM |
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quote:
Originally posted by britishtrident
If fitting for security you can get away with fitting it in the lead from the battery that feeds the fuse box rather than the main battery cable.
That sir, is a stirling idea!!
2007bc Photography - Commercial and Wedding Photographer based in West Yorkshire
http://www.2007bc.co.uk / http://www.huddersfieldcommercialphotographer.co.uk
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pewe
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| posted on 18/2/15 at 12:45 PM |
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quote:
Originally posted by MikeRJ
Just don't disconnect it whilst the engine is running.
What Mike doesn't say is that you risk blowing the alternator etc. if you switch off whilst the engine's running.
For what it costs linky and the small amount of difficulty
in fitting a resistor I'd fit one every time. They also do the switches.
Cheers, Pewe10 
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