Great posting, Dan. I've now got some of the mystery unraveled. Many
thanks.
Vic Whitmore
76 Triumph Spitfire
Thornhill, Ontario
----------
> From: DANMAS@aol.com
> To: tjordan@pa.ausom.net.au; hapkejs@cig.mot.com; bschwart@pacbell.net;
triumphs@autox.team.net
> Subject: Re: Voltmeter wiring
> Date: Thursday, November 20, 1997 5:45 PM
>
> In a message dated 97-11-20 10:09:09 EST, tjordan@pa.ausom.net.au writes:
>
> > The wiring colours obviously follow a logical pattern. Could you
expand on
> > what you have told us already? Does the stripe colour indicate
anything
> in
> > particular?
>
> Trevor:
>
> Yes, there is a logical pattern to the colors used in Triumphs, and most
> other, if not all, British cars as well..
>
> At the highest level, the colors are very straight forward, and easy to
> remember:
>
> 1) Brown wires - Hot all the time, and unfused..
> 2) Purple wires - Hot all the time, and fused..
> 3) White wires - Hot only when the ignition key is on, and unfused..
> 4) Green wires - Hot only when the ignition key is on, and fused..
>
> The white and purple wires are fed from the brown wires - the purple wire
is
> fed through a fuse, and the white wire is fed through the ignition
switch..
> The green wire is fed from the white wire, through a fuse. (it would help
to
> sketch this out, using a schematic as a guide)
>
> Below this level, the coding is not quite so straight forward. Generally
> speaking, though, as one of the above wires pass through a switch, the
wire
> on the other side has the same color body, with an additional color
stripe..
> For example, the green wire feeds the brake switch. The wire coming out
of
> the other side of the brake switch is green with a brown stripe. The wire
> from the reverse switch to the back-up lamps is green with a purple
stripe..
> There are enough exceptions to this rule, though, to make it almost
unusable
> as a rule. The brown wire to the headlight switch, for example comes out
blue
> for the headlights, and red/green for the dash and marker lights. The
> red/green wire goes through a fuse and comes out red. The red wire goes
to
> the marker lightsand the dash light dimmer. From the dimmer, the wire to
the
> dash lights is red/white..
>
> The beauty of the code, though, is in its application to all of the
little
> cars we love so well. Once you have mastered the wiring in your Spitfire,
you
> are fully qualified to work on your buddy's MG, as the color codes are
the
> same..
>
> For a complete listing of the various colors, go to:
>
> http://www.team.net/sol/tech/LucasColours.html
>
> Dan Masters,
> Alcoa, TN
>
> '71 TR6---------3000mile/year driver, fully restored
> '71 TR6---------undergoing full restoration and Ford 5.0 V8 insertion -
see:
> http://www.sky.net/~boballen/mg/Masters/
> '74 MGBGT---3000mile/year driver, original condition
> '68 MGBGT---organ donor for the '74
>
>
|