[xj] speedo dropped dead

The speedometer stopped working all of a sudden - I am hoping maybe
a fuse or something else fairly simple.
Robert 85 XJ6–
tystick
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In a message dated 7/19/03 11:52:39 AM Pacific Daylight Time,
tyru1955@aol.com writes:

<< The speedometer stopped working all of a sudden - I am hoping maybe
a fuse or something else fairly simple. >>

Sounds like the sender unit died in the transmission. Not uncommon for this
to happen. Solution is just to replace it.

Bob.===================================================
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Most likely the speedometer transducer. Replacement is simple and no
doubt covered in numerous posts in the archives…

Cheers,
Loudon-
85 VdP6, Josephine, 82K miles
86 V12 VdP, Gypsy, 131K kms

At 20:46 +0200 7/19/03, tystick wrote:>The speedometer stopped working all of a sudden - I am hoping maybe

a fuse or something else fairly simple.

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Sorry: you need to repalce the speedometer transducer, attached to the
transmission. As a verification that this is the problem, you will note that
the trip computer is also not registering.
Gregory----- Original Message -----
From: “tystick” tyru1955@aol.com
To: xj@jag-lovers.org
Sent: Saturday, July 19, 2003 11:46 AM
Subject: [xj] speedo dropped dead

: The speedometer stopped working all of a sudden - I am hoping maybe
: a fuse or something else fairly simple.
: Robert 85 XJ6

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In reply to a message from Dr Gregory Andrachuk sent Sat 19 Jul 2003:

Tystick,

Replaced mine a couple of weeks ago. Purchased it from Moss
Motors $95.00 US

Joe C.
87 xj6 sIII
69 xke sII fhc–
TAC87JAG
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Transducer’s dead. But on the BRIGHT side, as the list so exhuberently
added,:
Until it’s replaced…Free miles! :wink:
Kev
85 SIII

tystick wrote:>The speedometer stopped working all of a sudden - I am hoping maybe

a fuse or something else fairly simple.
Robert 85 XJ6

tystick
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–

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In reply to a message from Kevin Campbell sent Sun 20 Jul 2003:

Robert,
There ARE other possibilities, such as a bad ground or a
loose/broken wire, both of which could be an easy fix.
Dave–
The original message included these comments:

The speedometer stopped working all of a sudden - I am hoping maybe
a fuse or something else fairly simple.


DrDaves49
Canyonville,Or, United States
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In reply to a message from DrDaves49 sent Sun 20 Jul 2003:

Its Alive!!!
After a cool down, I went to drive and surprise…the speedometer
works again. I am thinking maybe it did not like the heat before as
it was kinda hot. Maybe it is just on its way out or a loose wire
but definately seemed to respond to the down time. Was it just a
coincidence that it stopped working during an extended drive then
came back after cooled down?
Robert
85xj6–
The original message included these comments:

There ARE other possibilities, such as a bad ground or a
loose/broken wire, both of which could be an easy fix.


tystick
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–

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Robert:
This intermittent behaviour is typical of a transducer on its way out.
But the cure is to buy a new transducer and to put it in the glove box. This
smartens the old one up immediately (“Shape up or you are out of here! I
already have your replacement!”) . It has worked for me for months now (I am
serious).
Gregory----- Original Message -----
From: “tystick” tyru1955@aol.com
To: xj@jag-lovers.org
Sent: Saturday, July 19, 2003 8:28 PM
Subject: Re: [xj] speedo dropped dead

: In reply to a message from DrDaves49 sent Sun 20 Jul 2003:
:
: Its Alive!!!
: After a cool down, I went to drive and surprise…the speedometer
: works again. I am thinking maybe it did not like the heat before as
: it was kinda hot. Maybe it is just on its way out or a loose wire
: but definately seemed to respond to the down time. Was it just a
: coincidence that it stopped working during an extended drive then
: came back after cooled down?

===================================================
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Gregory, Robert -

If the fault recurs or “comes and goes” you might find, if you remove
the transducer, that the problem is caused by the disintegration of
the insulation of the two wires coming from the transducer. This
allows the wires to short out under certain conditions. I had one
that would do this only at high speed. (I doubt this behavior would
have given me a good defense to a speeding ticket, however…) If you
restore the insulation you will put an end to this annoying
behavior…

I think that new transducers can be had at less cost than that
mentioned by another lister, though it has been a while since I
bought one…

Cheers,
Loudon-
85 VdP6, Josephine, 82K miles
86 V12 VdP, Gypsy, 131K kms

At 21:42 -0700 7/19/03, Dr Gregory Andrachuk wrote:>Robert:

This intermittent behaviour is typical of a transducer on its way out.

But the cure is to buy a new transducer and to put it in the glove box. This
smartens the old one up immediately (“Shape up or you are out of here! I
already have your replacement!”) . It has worked for me for months now (I am
serious).

===================================================
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In a message dated 7/19/03 9:45:54 PM Pacific Daylight Time, v12-vdp@shaw.ca
writes:

<< Robert:
This intermittent behaviour is typical of a transducer on its way out.
But the cure is to buy a new transducer and to put it in the glove box. This
smartens the old one up immediately (“Shape up or you are out of here! I
already have your replacement!”) . It has worked for me for months now (I am
serious). >>

Hey Dr “A” is that the reason you have more than one Jaguar. They are
replacements waiting to be used. :slight_smile:

Bob.

Bob.===================================================
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In reply to a message from Peddlarbob@aol.com sent Sun 20 Jul 2003:

I will definately do two things as recommended:
#1. Buy new transducer to piss off the present one into getting
a ‘‘stiff upper lip’’ and whip itself back into shape. I am shopping
around now.
#2. Check it for frayed insulation / ground connection & clean to
see if that helps.
Thanks, Robert–
The original message included these comments:

But the cure is to buy a new transducer and to put it in the glove box. This
smartens the old one up immediately (’'Shape up or you are out of here! I


tystick
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It can also be opened and checked for problems, but you may not feel up to
that. Another lister showed me his, after opening it and we determined that
the two, 10-Ohm feed resistors were bad and replaced them. He hasn’t reported
back on getting it back together, refilling the potting and trying it out.–
Alex
79xj6L SII (BRG + wires)
86xj6 SIII (Black)
61 Sprite MkII (Red)
Menlo Park, Calif.

tystick wrote:

In reply to a message from Peddlarbob@aol.com sent Sun 20 Jul 2003:

I will definately do two things as recommended:
#1. Buy new transducer to piss off the present one into getting
a ‘‘stiff upper lip’’ and whip itself back into shape. I am shopping
around now.
#2. Check it for frayed insulation / ground connection & clean to
see if that helps.

===================================================
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