OK thanks

Here's how I fitted mine. Earth strap to switch and then another short cable to the original earth mounting point.

Ew. I had one of those on the Porsche


It melted and went open circuit, with the green knob fused in place.

_________________
Too many cars, and too little time.

I've wondered about those... how do they make contact? how much contact area is there? how much current are they rated to?

seems to me like the contact area would be a lot smaller than the size of the battery post, and the cable it's connecting to...

Em...chaps...could we get back on topic...

I'm looking for a battery cut off that meets road rally rules if you don't mind

_________________
Regards,

Mike
"He who dies with the most toys wins."

ohhh, in our defence, your original post didn't actually say you wanted it for a race car

Fairy nuff...

_________________
Regards,

Mike
"He who dies with the most toys wins."

Beanie to the rescue try one of these

http://www.autosportdirect.com.au/itemdetailspage/14733

A bit pricy but so is am electrical fire box near the battery and the two buttons can go anywhere ...

Or big red key

Cheers beanie

_________________
I am the son of the STIG

HOTBRICKS
http://hotbricks.org.au/

'65 NCF MINI.....
'69 MINIMATIC.... 9 year resto still on the go

Perhaps not the most aesthetically pleasing, but it it's certainly functional from both inside and outside.
As well as a battery isolator, this unit has a secondary switch built in which cuts the igntion circuit as well.

_________________
Curly
'64 Cooper 'S' (Group Nb spec)
'67 Mini Marcos GT www.mm7056.wordpress.com

That's an important point.
Most cars will continue running even if you isolate the battery.
Ignition cutout is essential.

_________________
Too many cars, and too little time.

I don't think they're ugly...easier to keep track of than a key too

The only sensible position to put a battery cut off switch is closest possible to the Battery source. No point of switching it half way up the car.

_________________
DID I MENTION THAT I AM THE BEST SUPPLIER FOR MINI ELECTRICAL PARTS AND REPAIRS?
"Let us remove your "SHORTS"

I would agree all the way with that. Putting the switch in the boot doubles as a fairly effective disabler too.

_________________

Well I'd disagree a little bit. On a competition vehicle it should be where the regulations require it to be, as is mine in the picture above. Halfway down the car or not, it's about accessibility, and the fire crew knowing where to find it, not having to ferret in the boot on the chances that's where it is. I think it eventually became apparent that the OP is talking about a race car, in which case he should probably be looking at their rules.

Race car rules are not always written by Auto Electricians. It makes no sense to put a switch any where else but as close as possible to the battery source and switching the NEGATIVE. I can not see it being a safety Item if it is not near the battery. What if the car gets hit and the battery cable going to the switch (most cases switching the positive) gets pinched between two mangled up panels and shorts out, how do you switch that off ? It is actually very dangerous to have live cables between the battery and the switch. It might be ok on rear wheel drive cars with the battery in the front to have a switch in the front (Close to Battery source) as long as it switches the negative. But to be safe on a mini with the battery in the back switch would be more effective close to the battery and not close to a Hit point on the car. I am not trying to contradict any one's opinion I am just quoting from my experience with racing and Electrics. Every one has his own idea.

_________________
DID I MENTION THAT I AM THE BEST SUPPLIER FOR MINI ELECTRICAL PARTS AND REPAIRS?
"Let us remove your "SHORTS"