[ROVERNET - UK] WHY DO THEY DO THAT?

[Eric Russell]

Richard,
Thank for clarifying so well.

Eric


--- Richard Elliott <relliott44 at yahoo.com> wrote:

> The light operation is correct for 1966.
> 
> Prior to 1968 in the US, the small auxiliary front
> lights were steady on for parking only. As now, they
> also functioned as the turn indicators. Originally,
> the emitted color (either lens or bulb) was clear. 
> This color changed to amber on American-made cars
> around 1965, I think.  Rear signal color was red. 
> 
> Then, the NHTSA Federal Standards in 1968 specified
> numerous standards including the use of "front
> marker
> lamps" which come on with the headlights as a
> redundant or back-up light for failed head-lights,
> to
> help distinguish an auto from a motorcycle --
> "enhancing the conspicuity of motor vehicles". 
> Front
> turn indicators were to be amber and had to be at a
> certain height.  That is why the NADA P6B and Series
> II sported the extra bumper lights and the wing
> mounted ones are non-functional. 
> 
> The particular operation is controlled by the
> headlight switch.  I can not recall whether the OEM
> two-position headlight switch on my 67 TC could be
> re-wired or not.  Later three-position switches (fog
> head side) could.
> 
> Richard Elliott
> Rowlett, TX
> 1970 NADA P6B Tobacco Leaf
> 
> --- Eric Russell <p6rovers at yahoo.com> wrote:
> 
> > John,
> > The sidelights are supposed to remain on.
> > <http://www.roverclub.ca/P6circuitdiag.html>
> > 
> > It may be that there is a wiring misconnection
> that
> > needs to be resolved.
> > 
> > The headlight switch gets a feed from terminal 4
> on
> > the sidelight switch and enter the headlight
> switch
> > at
> > terminal 1.  When the sidelight switch is thrown,
> > there is a feed on a red wire through contact 1 to
> > the
> > sidelights.  At the same time, power is made
> > available
> > to the headlight switch and then onwards to the
> > headlights if the headlight switch is engaged.
> > 
> > There is no "turning off" function when the
> > headlights
> > are selected.
> > 
> > Eric
> > 
> > --- John Burkhard <burkhaj at earthlink.net> wrote:
> > 
> > > Nothing is broken this is just a question.  When
> I
> > > turn on the headlamps on
> > > my 1966 NADA 2000 TC, WHY do the front
> > parkinglamps
> > > turn off?  I do know 
> > > how
> > > it is done, I just want to know why.  Thanks for
> > > your help.
> > > 
> > > John Burkhard
> > > Yucca Valley, California
> > > 
> > > 
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