One last possibility is the temp gauge is isolated from the head with Teflon
tape or something in the threads. It must ground at the body of it. Try a
jumper wire temporarily to find out. Unlikely but possible.
Peter S
----- Original Message -----
From: Phil Johnson <gt6_man@yahoo.co.uk>
To: Triumph TR 7 <tr7@primenet.com>; Spitfires <spitfires@autox.team.net>
Sent: Thursday, July 22, 1999 11:55 PM
Subject: Re: argh. Almost there, but no dice, and she still reads cold
>
>
>
> --- Triumph TR 7 <tr7@primenet.com> wrote:
> <snip>
> > The temprature guage still reads cold, even after
> > all of this. It's just a
> > wire that runs from the guage(and I double checked
> > the wires, but haven't
> > done a continuity test yet) that grounds out. How
> > does this work? Is there a
> > small test I can do that would make the temprature
> > read high? I have an old
> > one and a new one to dink around with. Or should I
> > just run a brand new wire
> > from teh guage to the engine block?
> >
> > I'm still stumped on that one.
>
> The wire from the sender goes directly to the fuel
> gauge. There is a positive feed to the fuel and
> temperature gauges from a voltage stabiliser(found on
> the back of the speedo), I think the wire is a Light
> Green with a green tracer on it coming from the 'I'
> terminal on the stabiliser. Does your fuel gauge work?
> If it does not, then it would sound like the voltage
> stabiliser is knackered, or is not connected
> correctly. The supply to the stabiliser is a green
> wire to the 'B' terminal.
>
> You can check whether the gauges work by connecting
> them directly to the car battery for a very short
> time, ie enough to see if the needle moves, as they
> are not polarity sensitve, but it is not normally the
> gauge that does not work.
>
> The best bet to me sounds like double checking the
> wiring to the gauge and then the voltage stabiliser,
> and then the sender unit - have fun!
>
> ===
> Phil Johnson
> Club Triumph (UK) Spitfire/GT6 Secretary
> http://www.club.triumph.org.uk/
>
> 66 Spitfire4 Mk2 FC73949
> 68 GT6 Mk1 KC13299
>
> Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk
>
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