[DeTomaso] Best place to hook up a new circuit

[thomas]

The issue is that any power drain has to be connected on the alternator side of the ammeter, or else the current has to go from the alternator through the ammeter before it reaches the consumer. This will make the ammeter incorrectly indicate a constant charge, as well as cause an unwanted voltage drop.

For driving lights, the ultimate feed would be the battery terminal on the alternator, but a more practical feed would probably be from the correct terminal on the ammeter. That's where I connected my monster Audi turbo radiator fan, which at full blast draws over 50 A.

Thomas

23 jul 2012 kl. 07:41 skrev Roger <coatesr8 at aol.com>:

> Surely if you understand electrics Thomas, you can perhaps explain what the difference is between a fused link direct from the battery, and a fused link from the fuse box ( which incidentally connects to the battery)
> 
> Roger
> 
> Sent from  Roger's iPhone
> 
> On 22 Jul 2012, at 23:43, thomas <thomas at hax.se> wrote:
> 
>> Anyone recommending hooking up a power drain directly to the battery of a Pantera, or any car with an ammeter, has no clue about automotive electrics.
>> 
>> Unless it is a starter, or a drain only used while stationary, it is just plain wrong.
>> 
>> Thomas
>> 
>> 22 jul 2012 kl. 17:25 skrev "CharlesMcCall" <charlesmccall at gmail.com>:
>> 
>>> Hi all
>>> 
>>> 
>>> 
>>> The now-famous Loire Valley Tour participants were kind enough to chip in
>>> and buy us a set of Xenon lights for my Pantera.
>>> 
>>> 
>>> 
>>> I saw these installed on Roger Coates' GT5-S 2 years ago, and was struck by
>>> the difference in light output - every time we went through a tunnel, I
>>> could tell which car was his without glancing twice - it put out a lot of
>>> light. 
>>> 
>>> 
>>> 
>>> (as a side-note, it is interesting to note the hand-made nature of this
>>> car... taking off the headlight trim pieces, they are held in place by a
>>> simple drilled-and-tapped hole. The splash shield in FRONT of the front
>>> tires - some of the nuts are installed nut-side out, and others bolt-side
>>> out. Maybe this was done by someone else along the way, but I can't think of
>>> any reason why a mechanic would have done that under my care. The passenger
>>> side and drivers side are different, so I assume it was whim when assembling
>>> the car in the factory. Kind of hard to see, but here's the front of the car
>>> with the splash shield removed:
>>> 
>>> http://www.poca.com/index.php/gallery/?g2_itemId=36721
>>> 
>>> 
>>> 
>>> On the back of the splash shield is the air-horn, stock on this car, as seen
>>> here:
>>> 
>>> http://www.poca.com/index.php/gallery/?g2_itemId=36718
>>> 
>>> 
>>> 
>>> Anyway, I digress. I need to hook up the xenon lights to a 12v source, and
>>> according to the directions I should hook it right up to the battery. It has
>>> its own 25amp fuse, but there seems something a little primitive about
>>> running a wire directly to the battery for each new circuit I want to add. 
>>> 
>>> 
>>> 
>>> Electrical people out there - what's your recommendation? The cable is
>>> rather short and I don't have a lot of room... hook it directly to the
>>> battery, or ??
>>> 
>>> 
>>> 
>>> Thanks!
>>> 
>>> 
>>> 
>>> 
>>> 
>>> Charles McCall
>>> Raising Pantera Awareness Across Europe
>>> 1985 DeTomaso Pantera #9375
>>> <http://www.poca.com/index.php/gallery/?g2_itemId=2323>
>>> http://www.poca.com/index.php/gallery/?g2_itemId=2323
>>> 
>>> 
>>> 
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