That's the limiting resistor, which when switched
in, gives you the two speed fan control. Some models
of the Spitfire/GT6 air box used a power circuit type
fully mounted power resistor as the 'resistive' element.
The second speed (low speed) works and is wired up
much like your 6V ignition coil and it's associated ballast resistor
(or ballast wire in your electrical harness) .
If you were to add a switch across the resistor, you would
be applying the full 12V to the coil. Same too is the fan speed
hi/lo setup.
.... I just looked the schematics and it does show the resistor.
One switch contact wire funs right to the motor, and the other wire
passes through a little rectangular box in the schematic view.
That little rectangle, not identified separately, and drawn in between the
motor and switch is the resistor.
Paul Tegler
ptegler@cablespeed.com
www.teglerizer.com
----- Original Message -----
From: <Windoseat@aol.com>
To: <triumphs@autox.team.net>; <spitfires@autox.team.net>
Sent: Sunday, March 02, 2003 12:51 PM
Subject: GT6+ Electrical Device
> Listers;
>
> I'm in the process of rebuilding and cleaning up the heater box on my 1970
> GT6+. Inside the sheet metal housing is an electrical device. It is about
> three inches long and appears to be some sort of coil. The wires attached
are
> light green with a yellow stripe and medium green with a white stripe. The
> third wire is black. I checked the wiring diagram and can't find anything
> with that configuration. The closest thing was a voltage stabilizer. Both
the
> Triumph manual and the Haynes manual fail to illustate or even mention
this
> device. Any help identifying what this is would be appreciated. I'd like
to
> test it and make sure it's functioning before everything is painted and
put
> back together. The foam sealing on the inside of the heater box is
amazing,
> but easy to duplicate with the right pieces of felt and insulation foam.
>
> Greg Wolf
> 1970 GT6+ "Ian"
> KC79746L
> Laurel Green
> Bridgewater Michigan
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