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Wiring up Volt and Current guages


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#1 binge

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Posted 06 February 2005 - 02:01 AM

Ok, I got my mini today :grin:
And after about 3 hours on the road, I decided I was going to take it in and begin taking it apart.
I got the while dash and center console out. The center console is off in the bin as its a pile of C**p and has been made from hardboard/Cardboard! :cry:

I think Im going to a scrappy tomorow to try and find an old Dash board from a Mini so I can use it for a template, OR if its not broke, I could recondition it.

Anyway, the minis have the 3 center guages. Mine are a Volt meter, A Current meter and a Clock.

Now the clock is straight forward. Live and earth.

Now to wire up the volt meter and the current meter, Is it just a live straight from the battery/fuse box?

And same for the Current meter?

<|Ben|>

#2 Dan

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Posted 06 February 2005 - 01:10 PM

Not in the standard additional gauge pack they don't. Voltmeter and Oil temperature. Lots of people fit Oil pressure as it's useful.

Voltmeter is easy, feed from the instrument live and earth to the chassis earth point behind the dash.

Ammeter's are much more complicated. Firstly I don't think you'll find one with enough capacity as I think that your car (1995 right?) will have a 70 amp alternator and you can only get 60 amp ammeters. If you overcharge an ammeter it will break. But besides that they are tricky to wire up. You need to feed everything in the car through the ammeter, except the starter motor. This means you need two VERY LARGE cables capable of carrying a good 90 amps peak current to provide a sefety margin, running from the starter solenoid into the cabin and back again. This will mean a minimum of 12 square mm cables. So now you have everything in your car running through the dashboard. If this gauge ever breaks you will loose power to everything, including the ignition.
These problems can be easily overcome and you can fit one if you want (I intend to in my next re-fit of our car) but it's not to be tackled lightly.

There's a lot more useful gauges you can get which are a lot easier to fit anyway.

You might have trouble finding a dashboard in a scrapyard matey, standard Mini's only had dashboards since the late 90's and only a handful of special editions had it before that. The plastic thing you've ripped out (or a slightly different plastic thing in the centre) is the classic Mini dash setup! The whole point of it is to have the nice big front parcel shelf. There's plenty of templates on the net though, or companies who will sell you a pre-cut blank to work from, good luck.

Edited by Dan, 06 February 2005 - 01:20 PM.


#3 binge

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Posted 11 February 2005 - 01:01 AM

Well Ive built my center console. Tomorrow im going to contact a friend and see if I can use his milling machine to taper (if thats the right word) all the edges so they have a fancy edgeing to them.
THen I will sand all the wood smooth and prime it. and then spray it black and blue.

Now Ive also cut a dash from Plywood BUT I cant attach it to the dash rails :erm:

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#4 TimS

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Posted 11 February 2005 - 02:39 AM

sounds like its going to be good! iv got an ameter in mine! after having it disconected for half a year i ended up putting my head unti through it for a laugh and the needle only moves a tiny tiny little bit when its on full wack! Oil pressure is good and so is oil temp! much easier




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