[AJD] Ammeter Question

wjohnson wjohnson at bigriver.net
Wed Dec 29 19:48:50 PST 2004


Cal,
You may be connected to the battery side of the meter.  If so, current
flows from the bat to the load without going through the meter so no
deflection of the hand.  
Merle

-----Original Message-----
From: "wb5cys" <wb5cys at sbcglobal.net>
To: "Antique John Deere mailing list"
<antique-johndeere at lists.antique-tractor.com>
Date: Tue, 28 Dec 2004 08:58:05 -0600
Subject: Re: [AJD] Ammeter Question

> I should have said amp gauge.  The amp gauge on my tractor does not
> seem to 
> deflect at all.  I verified that my electrical system is charging, but
> I 
> just don't see any movement from the amp gauge.  The tractor has been 
> converted to 12V and a new gauge was installed.
> 
> Is there an easy way to verify a working amp gauge?
> 
> Thanks!
> 
> Cal B.
> 
> ----- Original Message ----- 
> From: "Dave Mayfield" <johndeere at gwltd.com>
> To: "Antique John Deere mailing list" 
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Tuesday, December 28, 2004 8:17 AM
> Subject: Re: [AJD] Ammeter Question
> 
> 
> > Seems to me that you would want to place a known load inline with it
> and 
> > see
> > if it reads correctly. I use an automotive 1156 lamp. The 1156 draws
> 1 amp
> > at 12VDC.
> >
> > 73 W9WRL
> > J. Dave Mayfield
> > www.w9wrl.com
> > ----- Original Message -----
> > From: "wb5cys" <wb5cys at sbcglobal.net>
> > To: "Antique John Deere mailing list"
> > <antique-johndeere at lists.antique-tractor.com>
> > Sent: Monday, December 27, 2004 6:47 PM
> > Subject: [AJD] Ammeter Question
> >
> >
> >> Time for me to go back to school, guys.
> >>
> >> What is the best way to test an ammeter for proper operation?
> >>
> >> Thanks!
> >>
> >> Cal Barton
> >> Nacogdoches, TX
> >>
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> >>
> >
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> 
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