[TR] driving light question

Greg Gelhar ggelhar at earthlink.net
Wed Dec 30 19:49:27 MST 2009


Alex,

While I don't have these lights to examine, 5/8 inch is the same as a
metric M16. The common thread pitch for a M16 screw is 2.0mm which is
between 12 and 13 threads per inch. Does that come close to what you are
seeing?


Greg Gelhar
1973 TR6
1980 TR8
Osseo, MN


>
> I have a couple of pairs of driving lights (Lucas 576, and 700) I
purchased on
> Ebay several years ago.
>
>
> The questions:
>
> 2. The threaded rod coming out of the bottom seems to be 5/8 inches, but
not a
> standard thread. Does anyone know what size nut fits it?
>
> 3. What is the correct bulb for these lights, and where can they be
obtained?
>
> Thank you all very much for any help you can give me.
>
> Alex


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