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RE: A new radio question

To: "spridgets@autox.team.net" <spridgets@Autox.Team.Net>
Subject: RE: A new radio question
From: Phil Vanner <pvanner@pclink.com>
Date: Fri, 23 Jan 1998 14:07:28 -0600
Reply-to: Phil Vanner <pvanner@pclink.com>
Sender: owner-spridgets@Autox.Team.Net
See PUDLJMPR tech tips, walks you through the whole process.
Phil Vanner

-----Original Message-----
From:   Ulix Goettsch [SMTP:ulix@u.washington.edu]
Sent:   Thursday, January 22, 1998 4:04 PM
To:     Randell Jesup
Cc:     spridgets@autox.team.net; Amy Soich
Subject:        Re: A new radio question

Don't you also have to open up the tach and solder a diode the other way,
or something like that?
And wasn't there a similar issue with some fuel pumps?

Ulix (positive ground)

On 22 Jan 1998, Randell Jesup wrote:

> Ulix Goettsch <ulix@u.washington.edu> writes:
> >>  I have a sprite that is positive earth and was wondering, what kind of
> >> problems is this going to cause me when i want to install a stereo?
> 
>       I blew up a CB radio when in high school ('80) when I forgot about
> this.
> 
> >> My uncle is a truck driver and said that lots of trucks are positive
> >> ground and i could probably buy a radio for a truck and use it. Any
> 
>       If you can find one, great.  Not common by any means.  I used to
> have an AM ground-switchable radio in my first Sprite.
> 
> >If not, you have to keep any metal on the radio from touching the body of
> >the car.  Mine is mounted to a piece of wood which is mounted to the body.
> >Also the antenna has to be insulated from the body where it mounts to the
> >car.
> 
>       Too dangerous: if something touches, poof.  Switch the ground of
> the car.  The procedure is fairly straightforward except for switching the
> tach (if it's not one of the early mechanical tach cars).  Even the tach
> only requires cutting and reversing the wires to the loop, if I remember
> correctly.  You also have to reverse the coil connections, the fan
> connections I think, and repolarize the generator.
> 
> -- 
> Randell Jesup, Scala US R&D, Ex-Commodore-Amiga Engineer class of '94
> Randell.Jesup@scala.com
> #include <std/disclaimer>
> Exon food: <offensive words no longer censored - thank you ACLU, EFF, etc>
> 

    Ulix                                                    __/__,__        
......................................................... (_o____o_)....
                                                           '67 Sprite


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