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How do you wire an amp guage?

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karmannghia60 Karmann Ghia Sucker

1,459 posts · joined Aug 2002 ·

#633720
Is it a positive from the battery and a negative from the black terminal of the generator? Does anyone have a diagram then can post of send me?
Thanks
Raf

modulus Veteran Volks Folk

2,009 posts · joined Jul 2003 ·

#633740
Raf,
If you insist, see:
http://www.houlihane.co.uk/amps.htm

However, since you'll be adding another possible failure point (the ammeter) in series in your charging system and since you have to run heavy duty cable through your instrument panel, a voltmeter (which connects in parallel using light gauge wiring) is generally a better option for monitoring your battery condition.

hth
Peter Hill
1975 Type 2 Double Cab
modulus.com.au

VWCOOL 23 Windows of Awesome

5,158 posts · joined Jun 2003 ·

#633741
modulus wrote:Raf,
If you insist, see:
http://www.houlihane.co.uk/amps.htm

However, since you'll be adding another possible failure point (the ammeter) in series in your charging system and since you have to run heavy duty cable through your instrument panel, a voltmeter (which connects in parallel using light gauge wiring) is generally a better option for monitoring your battery condition.

hth
What he said - fit a V meter
Pay your debts, CxxT

karmannghia60 Karmann Ghia Sucker

1,459 posts · joined Aug 2002 ·

#633745
You are right. I just read more about them. Sound like a pretty risky thing to have. I asked because there is one in the car already and I thought I might as well hook it up. I will toss it and get a voltmeter
Thanks

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#633771
Yes,
I have a few new ammeters but have never used one..
I prefer the volt meter..
they are usually good in showing Voltage Drop

Ammeters are Ok in front engined cars where the battery and alternator/generator etc are all close to the dash....

cheers

Lee
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

The Bigfella Officially Full-On Dubber

284 posts · joined Sep 2007 ·

#633778
You get a much better idea of what is going on with both, but it really isn't needed - cars are pretty simple. You can use an ammeter with a shunt to reduce wiring problems.