[xj] Speedometer Inop

Brian Mee <@Brian_Mee>

My speedometer dropped to zero the other day and remains there. I checked
the archives and got underneath last night to clean the connector. I found
two, one with two wires and one with 4. I took the 2-wire one apart, used
contact cleaner and brushed it and reassembled. The test drive showed no
improvement. Did I get the wrong set of wires or should I look elsewhere?

Brian Mee
1986 XJ6 Federal spec 120K miles===================================================
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@duesenberg

brian,
strangely enough my manual does not mention a thing about the speedo
trasducer (i’m having the same problem with mine) i have read somewhere
where it is possible to cut these things apart and sometimes repair them,
i think what i will end up doing is getting another from a scrapped xj
(maybe), does your car have a b.w or a gm tranny?

On Thu, 15 Jun 2000 08:53:59 -0400 Brian Mee mee@ensco.com writes:> Brian Mee mee@ensco.com

My speedometer dropped to zero the other day and remains there. I
checked
the archives and got underneath last night to clean the connector.
I found
two, one with two wires and one with 4. I took the 2-wire one
apart, used
contact cleaner and brushed it and reassembled. The test drive
showed no
improvement. Did I get the wrong set of wires or should I look
elsewhere?

Brian Mee
1986 XJ6 Federal spec 120K miles

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Loudon Seth <@Loudon_Seth>

Hi Brian -

The two wire connector is the one that goes to the transducer. You may have
a bad transducer. I got a new one for under $70US from Coventry West (no
financial interest, blah, blah), but on removing the old one found that it
might have been possible to repair it. I sent it to Henry Fok, who fixed it
and now does not need it since his tranny failed and the replacement came
with the transducer. He can send you my old one - he is in Texas as you
probably know :wink: so you can fit it in place of yours to see if that is in
fact where your problem lies. Contact him at “H. Fok (XJ List Account)”
xj@fok.com

I’ve already asked him and he would be happy to pass it along…

When you get your old one out look at the wiring. The insulation on mine
had cracked right where the wires enter the unit, causing it to short
circuit. If that is the case with yours you should be able to effect a
repair…

If you get mine and find that the transducer is not the problem, or if you
can repair yours or decide to install a new one anyway, keep my old one and
pass it on to the next person who has the problem. Otherwise just keep it
if it works for you…

Cheers - hope this helps,
Loudon-
85 VdP6, Josephine, 71K miles
Cleveland Heights, Ohio, USA

At 7:53 -0500 6.15.0, Brian Mee wrote:>Brian Mee mee@ensco.com

My speedometer dropped to zero the other day and remains there. I checked
the archives and got underneath last night to clean the connector. I found
two, one with two wires and one with 4. I took the 2-wire one apart, used
contact cleaner and brushed it and reassembled. The test drive showed no
improvement. Did I get the wrong set of wires or should I look elsewhere?

Brian Mee
1986 XJ6 Federal spec 120K miles

===================================================
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“Doug Dwyer” <@Doug_Dwyer>

Brian,
You’ve got the right one. The 4 wire unit is the back-up lamp switch.

This is a pretty easy circuit to test if you have a 12V test light. Green
wire to the transducer should have 12V with key on (check fuse #4, too.)
Also, the green wire at back of speedo should have 12V with key on. Black
wire from speedo should be grounded (ground point G14 behind speedo). If all
of these check good then you can test the transducer for output voltage.
Hook your test light up to the yellow wire at the transducer. With key on,
spin the cable end (using a drill motor would be a neat idea). You should
get a 12V signal from the yellow wire. If “no”, you’ve got a dead
transducer. If “yes”, then you’ve got a dead speedo or an open circuit
between transducer and the speedo.

If the speedo is dead I think there some archive info on repairing them.

Doug Dwyer
Longview, Washington USA

My speedometer dropped to zero the other day and remains there. I checked
the archives and got underneath last night to clean the connector. I
found----- Original Message -----
From: “Brian Mee” mee@ensco.com
two, one with two wires and one with 4. I took the 2-wire one apart, used
contact cleaner and brushed it and reassembled. The test drive showed no
improvement. Did I get the wrong set of wires or should I look elsewhere?

===================================================
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@antonio_castro

Brian,

Transducer sometimes can be fixed. If it is the same like mine (XJ6 82), a
plastic
cover is to be removed, then you will see a PCB inside. This pcb is hold in
position
by two 1mH coils passing thru the plastic cover, ends of both soldered to
the pcb.
In my case, one of the coils was opened, I removed both, put wires instead,
then put
new coils in the wires coming out of the transducer in sustitution of those
originally
installed as pass thru in the wall.
After all this done, glued everything carefully back and used silicon
grease to avoid
water and moisture to enter the transducer. It still works.

Hope this help. Antonio XJ6 series III 1982.

Antonio Castro/IBM Espa�a.
@antonio_castro
Games Systems Center/GMS Test Team.

VISIT: �http://www.sydney.olympic.org �OR �http://www.olympic.ibm.com

- CUT HERE-_____

duesenberg@juno.com and brian wrote.

brian,
strangely enough my manual does not mention a thing about the speedo
trasducer (i’m having the same problem with mine) i have read somewhere
where it is possible to cut these things apart and sometimes repair them,
i think what i will end up doing is getting another from a scrapped xj
(maybe), does your car have a b.w or a gm tranny?

On Thu, 15 Jun 2000 08:53:59 -0400 Brian Mee mee@ensco.com writes:> Brian Mee mee@ensco.com

My speedometer dropped to zero the other day and remains there. �I
checked
the archives and got underneath last night to clean the connector.
I found
two, one with two wires and one with 4. �I took the 2-wire one
apart, used
contact cleaner and brushed it and reassembled. �The test drive
showed no
improvement. �Did I get the wrong set of wires or should I look
elsewhere?

Brian Mee
1986 XJ6 Federal spec 120K miles

===================================================
To remove yourself from this list, go to http://www.jag-lovers.org/cgi-bin/majordomo