Re: (ET) elec traks on ebay....

["RJ Kanary" <rjkanary nauticom net>]

Some automotive horns are 'above ground'. Toyota, and some older Dodge
trucks come to mind. But they are the exception, not the rule. To be
certain, test the horn by applying power to one terminal, and a ground to
the case.If the horn sounds, it is not safe for your ET.


RJ Kanary
Member TRNi  Since 1998
ASE® Certified Master Auto Technician

rjkanary nauticom net

----- Original Message -----
From: <Jeremy Gagliardi com>
To: "Elec-Trak" <elec-trak cosmos phy tufts edu>
Sent: Thursday, May 30, 2002 10:30 AM
Subject: Re: (ET) elec traks on ebay....


> Okay, I'm still a little confused.  The horn has 2 screw posts that
> accepted the 2 wires from the ET to the old horn.  But, it is still
> grounded by the metal mounting post.
>
> --
> (============================)
>  mailto:Jeremy Gagliardi com
>  http://Jeremy.Gagliardi.com/
> (============================)
>
> Christopher Zach wrote:
> >
> > The problem with this is that your Elec-Trak frame is now probably
grounded
> > through the big metal rod via the horn. Most auto accessories are
"negative
> > ground" which means the frame of the item is tied to the negative
terminal.
> > Thus only one wire typically needs to be run to the device.
> >
> > On an E20, the frame is always considered "electrically neutral". Thus
when
> > you are working on the batteries and touch a post to the frame, there 
> > is
no
> > sparks.
> >
> > Personally I have kicked around the thought of installing a GFCI on the
E20;
> > haven't quite gotten around to it yet.
> >
> > Chris
> >
> > ----- Original Message -----
> > From: <Jeremy Gagliardi com>
> > To: "Elec-Trak" <elec-trak cosmos phy tufts edu>
> > Sent: Thursday, May 30, 2002 9:15 AM
> > Subject: Re: (ET) elec traks on ebay....
> >
> > > Would you care to elaborate on how the components need to be 
> > > modified?
> > > For instance, I installed a car horn on mine just by hooking up the
> > > wires the same way the old horn was, but it is connected to the
chassis
> > > with a big metal rod.
> > >
> > > --
> > > (============================)
> > >  mailto:Jeremy Gagliardi com
> > >  http://Jeremy.Gagliardi.com/
> > > (============================)
> > >
> > > RJ Kanary wrote:
> > > >
> > > > They were available, also. A note here, for those accessorizing
their
> > Elec
> > > > Traks....Any automotive type accessories, that require a chassis
ground,
> > > > must be modified for use on your ET. No electrical connection of 
> > > > any
> > sort
> > > > can be SAFELY made to the ET chassis. You might get away with it 
> > > > for
a
> > > > while.......until another component on the tractor 'goes to 
> > > > ground'.
> > Then,
> > > > the smoke will fly, and the fireworks will start. The most common
> > culprits,
> > > > in order of 'popularity', are. A) The traction motor armature
terminals,
> > B),
> > > > The Delco Lift Motor, and C), The armature resistor bypass
contactors.
> > > >
> > > > RJ Kanary
> > > > Member TRNi  Since 1998
> > > > ASE® Certified Master Auto Technician
> > > >
> > > > rjkanary nauticom net
> > > >
> > > > ----- Original Message -----
> > > > From: "poweredbysun" <jimlynch poweredbysun com>
> > > > To: "Elec-Trak" <elec-trak cosmos phy tufts edu>
> > > > Sent: Wednesday, May 29, 2002 9:07 PM
> > > > Subject: Re: (ET) elec traks on ebay....
> > > >
> > > > > But taillights?
> > > > > Jim Lynch
> > > > > RJ Kanary wrote:
> > > > > >
> > > > > > Yes, the horn was standard on the I- 5, optional on all others.
> > > > > >
> > > > > > RJ Kanary
> > > > > > Member TRNi  Since 1998
> > > > > > ASE® Certified Master Auto Technician
> > > > > >
> > > > > > rjkanary nauticom net
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: "David Roden (Akron OH USA)" <roden ald net>
> > > > > > To: "Elec-Trak" <elec-trak cosmos phy tufts edu>
> > > > > > Sent: Wednesday, May 29, 2002 10:01 AM
> > > > > > Subject: Re: (ET) elec traks on ebay....
> > > > > >
> > > > > > > On 29 May 2002 at 9:10, Jeremy Gagliardi com wrote:
> > > > > > >
> > > > > > > > Horn? The Elec-Traks had horns?
> > > > > > >
> > > > > > > I have an old ET accessory brochure which lists this as an
option.
> > > > > > > "Electric Horn; AP69.  Fits E10, E15, E12, E12M; 12-volt
electric
> > > > horn;
> > > > > > Easy
> > > > > > > to operate with large push-type horn button; The kit is
complete
> > for
> > > > > > hook-up
> > > > > > > and installation; Provides easily heard signal to warn
bystanders
> > or
> > > > gain
> > > > > > > attention."  The photo shows a disc-type (beep-beep) horn.
> > > > > > >
> > > > > > > Something in the back of my mind says that the I-5 came with 
> > > > > > > a
> > horn
> > > > > > > standard, but I'm not sure.
> > > > > > >
> > > > > > >
> > > > > > > David Roden - Akron, Ohio, USA
> > > > > > > 1991 Solectria Force 144vac
> > > > > > > 1991 Ford Escort Green/EV 128vdc
> > > > > > > 1970 GE Elec-trak E15 36vdc
> > > > > > > 1974 Avco New Idea 36vdc
> > > > > > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
= =
> > = =
> > > > > > > Thou shalt not send me any thing which says unto thee, "send
this
> > to
> > > > all
> > > > > > > thou knowest."  Neither shalt thou send me any spam, lest I
smite
> > > > thee.
> > > > > > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
= =
> > = =
> > > > > > > Est. yearly US cost to safeguard Persian Gulf oil supply: $50
> > billion
> > > > > > > Est. 2001 value of US crude oil imports from Persian Gulf: 
> > > > > > > $19
> > billion
> > > > > > >                                                           --
> > Harper's
> > > > > > Index,
> > > > > > > April 2002
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>