I'm guessing it is the ground for the horn (hah hah).
In addition to there being one at each donut there is also a braided ground
cable that goes from the rack to the frame - to complete that circuit.
Mine attaches under the bolt that is also the one removed to fit a Zerk to
the rack for lubing.
The donuts on mine are original and look perfect so perhaps you also have
the long-lived original stuff.
Also - in case it is missing on yours - the nuts/bolts that pass thru the
donuts were originally safety-wired.
Geo
On Mon, Dec 8, 2014 at 12:54 PM, Creig Houghtaling <creig555@live.com>
wrote:
> I'm working on a TR4A steering shaft. As I took it apart, it had ground
> wires
> linking each section of shaft across each rubber joint. I don't see the
> purpose in these wires and am considering not using them upon reassembly.
> Does anybody have a reason why I should keep the ground wire links between
> each section of shaft?
> Creig Houghtaling 314-401-7817
> St. Louis Triumph Owners Association
>
> ** triumphs@autox.team.net **
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