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RE: [oletrucks] Ammeter question - now a horn question.

To: "Gary Perry" <glperry@fwi.com>, "Bruce Kettunen"
Subject: RE: [oletrucks] Ammeter question - now a horn question.
From: "Parkinson, Rob" <Rob_Parkinson@jdedwards.com>
Date: Wed, 2 Jul 2003 07:37:05 -0600
Thanks Gary - received our shop manual yesterday, looked for info on the horn 
in the electrical section and didn't see it.  Found it today in the steering 
gear section.
The diagram doesn't show horn button related parts, so just want to tell you 
what I've got to make sure I'm not missing anything....
Attached to the horn button itself is a sort of cup with a springy thing on it 
(sorry, don't know the real names of these parts). Attached to the springy 
thing is the teflon? part you were talking about with three round studs on it. 
Press fit to the studs is a flat washer like plate with three round holes in it 
and a square hole.
Now, if I remove the steering wheel, there is a large spring underneath on the 
steering shaft, that rides on the mast bearing.
My question is, the flat washer like plate with the three round holes and the 
square hole - is this where you say there is a wire soldered to (the square 
hole?) If so, it looks like the wire would go through a hole in the steering 
wheel, but where does it attach - to the spring?
Or am I waaaaay off base here?
Thanks and sorry to ask such elementary questions, but I'm a visual learner and 
have no real live examples to look at.
Rob

        -----Original Message----- 
        From: Gary Perry [mailto:glperry@fwi.com] 
        Sent: Tue 7/1/2003 11:05 PM 
        To: Parkinson, Rob; Bruce Kettunen; oletrucks@autox.team.net 
        Cc: 
        Subject: Re: [oletrucks] Ammeter question - now a horn question.
        
        

        Rob, you really need to buy a shop manual! All this stuff is in it, IF 
you
        look and read it. An Assembly Manual is nice for drawings of how it goes
        together too.
          First, the wire in column goes up to the top bearing in mast. If you 
look
        at it, you'll notice it's brassy color and smooth around col diameter. 
The
        wheel has a soldered wire with a spring on it, and a graphite or ? item 
on
        lower end that rides around on that brassy color strip when you turn 
wheel.
        It slips in a hole in steering wheel and touches the flat metal plate 
under
        horn button. There is a spring in there too, to hold the button up. 
When you
        press button, it shorts on steering shaft or column or somewhere and a
        circuit is made thru the slider on wire to mast bearing, to wire, out to
        relay. Many times the wires get cut where they go out the side of column
        under dash to wireing or some go out steering box shaft at bottom of 
column.
        You can buy new ones of these from vendors. Venders are listed at
        www.stovebolt.com site and there is a Forum there also. Get some 
manuals!
        About $25 most places. Fun to read also.
        
        G. L. Grumpy's
        Old Iron Ranch
        Huntington, IN 46750
        AD trucks and MM tractors
        ----- Original Message -----
        From: "Parkinson, Rob" <Rob_Parkinson@jdedwards.com>
        To: "Bruce Kettunen" <bekett@uslink.net>; <oletrucks@autox.team.net>
        Sent: Tuesday, July 01, 2003 10:27 PM
        Subject: RE: [oletrucks] Ammeter question - now a horn question.
        
        
        > Thanks to all who responded to my ammeter question - I got some great
        answers and hope to hook everything up this weekend.
        > I do have one other question. The horn. There's a wire which exits the
        steering column and goes to the horn relay. What happens to it after it
        enters the steering column?
        > I have removed the steering wheel and see no evidence of it.  It seems
        there would be no way for it to get by the steering wheel bearing 
anyway -
        pretty tight fit.  I was thinking it maybe came right up through the 
center
        shaft, but there's no hole. The horn button shows evidence of a solder 
where
        I would think the wire would have to come, but.........
        > Hornless in Denver - any help would be greatly appreciated.
        > Thanks, Rob
        >
        > -----Original Message-----
        > From: Bruce Kettunen [mailto:bekett@uslink.net]
        > Sent: Tue 7/1/2003 8:07 AM
        > To: oletrucks@autox.team.net
        > Cc:
        > Subject: Re: [oletrucks] Ammeter question
        >
        >
        >
        > Battery+--->Ammeter----->Headlight bulb------->Battery-
        >
        > A center zero ammeter like our trucks have will work either way.
        > With the headlight on it should twitch to one side or the other.
        > Hook up the leads on the ammeter so that it shows discharge when
        > the headlight is on.  This is the polarity you need.
        >
        > As to the positive ground, others are more expert on this but I 
believe
        > some AD and early TF GMC's had positive ground.
        >
        > Bruce K
        > 57 3200
        > Mt. Iron, MN
        >
        > At Monday, 30 June 2003, you wrote:
        >
        > >Hi - What is the easiest way to determine which is the positive
        > terminal
        > >for the ammeter?
        > >It is currently not hooked up at all, and there are no markings.
        > >The vehicle is a 12 volt converted '51 Chevy 3100.
        > >Also, were these trucks always negative ground?
        > >Thanks in advance, Rob
        > >oletrucks is devoted to Chevy and GM trucks built between 1941 and 
1959
        > >
        >
        >
        >
        >
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        > oletrucks is devoted to Chevy and GM trucks built between 1941 and 
1959
        > oletrucks is devoted to Chevy and GM trucks built between 1941 and 
1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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