[Tigers] 3 gauges stopped working

[Tom Parker]

True. (I looked at the Mark 2 diagram). Grounding is simple to check, so's
voltage. I suspect but don't know, that a short in the stabilizer would
awaken the smoke gods or blow the fuse.

Anyhow, schedule the Chiropractor and take a look. A jumper clipped to frame
ground and the back mounting stud of a gauge verifies the grounding, a meter
verifies the voltage stabilizer. There's always the possibility of multiple
failures (In electronics it's much more common than one might think...), so
take it one gauge at a time.

God hunting, Allan!

Tom

On Wed, Jul 28, 2010 at 10:21 AM, Smit, Theo <Theo.Smit at dynastream.com>wrote:

> The stabilizer only regulates the fuel and temperature gauges (to 10 volts
> average); the tach has its own internal regulation. However, a failure of
> the stabilizer that shorted the (green) circuit to ground would disable all
> three gauges.
>
> Theo
>
> > -----Original Message-----
> > From: tigers-bounces at autox.team.net [mailto:tigers-
> > bounces at autox.team.net] On Behalf Of Tom Parker
> > Sent: July 28, 2010 8:03 AM
> > To: Allan Ballard
> > Cc: tigers at autox.team.net
> > Subject: Re: [Tigers] 3 gauges stopped working
> >
> > There's a voltage stabilizer behind the dash that's supposed to keep
> > the
> > voltage constant at @ 12v (see the service manual for the exact
> > voltage).
> > You might look at he voltage input on one of the failing gauges with a
> > volt
> > meter and follow the yellow brick road (wiring diagram) if the voltage
> > is
> > missing or out of spec.
> >
> > Tom
> >
>
>
>
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