>>>>> "Peter" == Peter Zaborski <peterz@merak.com> writes:
Peter> The benefit of this arrangement being that you can
Peter> now use the free lamp on the speedo to indicate the
Peter> state of the o/d.
Peter> Recently there were some threads on having a visual
Peter> indication of the o/d state. I was interested in
Peter> this but could see no way of "cleanly" implementing
Peter> a dash light to do it. This possibility is
Peter> intriguing though...
I've done the mod to my tach on the TR-4 to include a light
similar to that on the Speedo for the Main Beam indicator,
only red, not blue. I couldn't find amber. This indicator
is not very bright. Basically, for those who don't know, the
TR-4 speedo has a light for the High/Main beam setting of your
headlights. It looks something like this in construction:
b ------- |
bbbbbb \ |]] |
bbGGGGGG --- ]]]]]]]s|p
wwwwwGGGGGG ppppppppppp
bbGGGGGG --- ]]]]]]]s|p
bbbbbb / |]] |
b ------- |
Where the b's, G's and w's are the brass, glass and wire of
the light bulb, the ']'s are a rubber gasket-esque thing, and
the 'p's are a plastic lens. The bulb fits into a fixture
swaged onto the back cover of the gauge, and the rubber
sandwiches between that and the actual gauge face. the
plastic is actually held into the front face by a small spring
steel keeper 's'. The mod is simple, drill back and front
appropriately, and install the lens and bulb holder, put the
gasket over the lens and re-assemble. The problem is that the
lens is very inefficient at xmiting the light behind it. It's
hollow, and not a very light colour to begin with. I'm
working on finding a more modern replacement, perhaps
something in a high brightness LED that I can fit in the same
location without looking too non-period, or a fiber optic
filler for the lens to xmit more light. I'll inform the list
of what happens.
-MM
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