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Re: TR4A Light Switch Wiring Question

To: DANMAS@aol.com, Alvamike@aol.com, triumphs@autox.team.net
Subject: Re: TR4A Light Switch Wiring Question
From: Joe Curry <spitlist@gte.net>
Date: Sun, 25 Apr 1999 21:43:39 -0700
References: <b1b0215c.24553f49@aol.com> <3723E9BE.B151B195@gte.net>
Oh Yeah, as a post script; I tried what you recommended on my Spit and
the gauges did NOT come alive.

Joe

Joe Curry wrote:
> 
> Dan,
> Your summary is pretty well right on, except that the early Spitfire US
> versions were wired the same.
> 
> Joe

> > Mike,
> >
> > If I read the diagrams correctly, this wire provides the power for the
> > "flash-to-pass" function of you headlight switch. It appears this was the
> > first TR series to have this feature, and it seems to be unique to that 
>model
> > in its operation.
> >
> > TR4A owners correct me if I'm wrong, but it seems that:
> >
> > a) this feature is only available when the ignition key is on,
> >
> > b) It only works if the headlights are off, as it flashes whichever set of
> > headlight beams the dimmer happens to have selected. If the headligths are
> > on, it only adds power where it is already applied.
> >
> > Power to this function comes from the green fuse, and is a unique 
>application
> > of the color code for these cars, as usually the brown wires PROVIDE power 
>to
> > circuits from the battery.
> >
> > This is interesting, because if you turn on your headlights, you can power
> > all your ignition keyed accessories by operating the flash to pass feature.
> >
> > Any TR4A owners care to evaluate this and let me know if I'm wrong? (it's
> > late, I'm tired, so I may be way off on this) With the key off, the
> > headlights on, operate your flasher for a moment and see if the gauges come
> > alive.
> >
> > Dan Masters,
> > Alcoa, TN

-- 
"If you can't excel with talent, triumph with effort."
 -- Dave Weinbaum in National Enquirer


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