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post #1 of (permalink) Old 12-18-2002, 09:27 PM Thread Starter
 
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Voltmeter or ammeter??

I have been looking around to get some gauges for my Zuk to put in the vent hole....Was wondering what is better to have a voltmeter or ammeter? I have found 3 gauge kits with both,so which would be more useful knowing my volts or my amps?

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post #2 of (permalink) Old 12-18-2002, 09:32 PM
 
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Re: Voltmeter or ammeter??

Voltmeter, with a voltmeter you can see if your alternator is charging, if something pull a lot of current.

I had 3amp meter in my car, and everyone burned after a few month. A friend of mine putted one in his zook and it burned a year after..

Do I need to say that when your ampmeter burn your truck stall and you are stuck in the dark. Its realy funny to pull your ampmeter out and plug the wire togeter in the dark..
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post #3 of (permalink) Old 12-18-2002, 09:48 PM
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Re: Voltmeter or ammeter??

howdy,
i would say volt. but if you want to go amp meter i'll sell you mine for shipping.
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post #4 of (permalink) Old 12-18-2002, 09:48 PM
 
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Re: Voltmeter or ammeter??

If anyone wants an ammeter, I've got an oem Suzuki one still in the box.............cheap!
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post #5 of (permalink) Old 12-18-2002, 10:18 PM
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Re: Voltmeter or ammeter??

Stick with a volt meter . Ammeter's have to sense current flow by being installed between the alternator and the battery so that all draw runs directly through the guage , and most aren't built to handle the amperage . A good system with a volt meter will show charging volts at 13.8-14.6 v . If the alt fails , it will drop below 12v .
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post #6 of (permalink) Old 12-18-2002, 10:46 PM Thread Starter
 
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Re: Voltmeter or ammeter??

Thanks for the info guys....

Looks like a voltmeter it will be [img]images/graemlins/wink.gif[/img]

I was leaning more towards a voltmeter to start with....I have never fooled with an ammeter,so thought I would ask before I spent some dough on something I wouldnt really need...
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post #7 of (permalink) Old 12-18-2002, 11:07 PM
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Re: Voltmeter or ammeter??

Actually an ammeter will tell you more, but it's much more
complicated to hook up than a voltmeter.

The ammeter goes between the battery on one side, with the
system load and the alternator on the other side.
The starting circuit does not go through the ammeter.

That way when everything's working correctly, you see how
many amps the battery is getting. The battery only gets
what the alternator has left over after it's provided power
to everything else.


Properly connected - After it runs a few minutes after starting
it should show about 0 - the battery's fully charged - if the
battery is fine.
The alternator is feeding all the load, so you don't see it
on the ammeter.
Then to interpret it, a (-) reading shows you are discharging
the battery, and a (+) reading shows how much it's charging.

When using a voltmeter and an alternator fails, the voltage
drops slowly, by the time it's low enough to notice it's too
late, you are about to start walking.
The ammeter will show it instantly, if you look.

And, a sulfated battery (dying) will show lots of voltage so
you think it's fine. An ammeter will show a constant heavy
charge going to it - indicating something's wrong.

The cheapie ammeters from China aren't worth having, neither
are the temp gauges or oil pressure gauges.
Would you trust your engine to cheapie junk?

Stewart Warner or other quality gauges are expensive, but
still much less than a new engine.
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post #8 of (permalink) Old 12-19-2002, 01:19 AM
 
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Re: Voltmeter or ammeter??

if i was going to go through the trouble i would get an amp meter. your alt. could go out and is still puting out 5 amps at 13.5 volts and i'm pretty sure your headlights draw more current than that. so your battery would slowly die and you wouldn't even know it.


on a different note. why is it that when you take an alt. to a parts store, they just check it to see the voltage it puts out? everytime i go to autozone to get an alt. they test mine and say "it's still good". then i have to MAKE them sell me another one. and if it tests bad they say "our machine is messed up". [img]images/graemlins/confused.gif[/img]
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post #9 of (permalink) Old 12-19-2002, 02:03 AM
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Re: Voltmeter or ammeter??

actually workin ina gentor shop the past year i have see alot of stuff

I have seen a alt charge volt at 13.8 and only put out about 8 amps

then i have seen a alt but out 60amps but at only 10vs


Best bet if you have to go buy gauges you arent checking your rig out enough.

i can now just about listen to vechile tell you if your alt system is workin right now LOL!!!
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post #10 of (permalink) Old 12-19-2002, 09:53 AM
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Re: Voltmeter or ammeter??

With the ammeter, it'll note if the battery is on a slight plus/charge side (old battery, enough power is supplied to the system) or on the slight neg side (battery is discharging and will go dead).
Combo of both and you can figure out how much power you're using or appling.
[img]images/graemlins/laugh.gif[/img]
If done properly, both an ammeter and voltmeter will serve you well.
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