[xj] Instrument Panel Illumination

Hello Fellow Jagnauts…

( I looked for info about this in the archives, but no luck.  If someone

can direct me to a previous source for info on this question, we don’t have to
waste space on the current list. )

I've got practically no light in the instrument panel.  If it's pitch

black outside, I can see the instrument cluster dimly illuminated. I’ve
tried fritzing around with the rheostat…it apparently has two settings -
“incredibly dim” and “non-existent”.
Is the rheostat possibly faulty? Does a fuse govern the rheostat? (The
lights in the panel do work…they’re just not bright enough.)

Or…is this simply another endearing trait of my auto? I wouldn’t mind
so much… it’s just that - from time to time - I like to know how fast I’m
going. And if I have enough gas to outrun the gendarmes.

Thanks…

Tom Ladshaw
“…that comedy magician guy…”
New Orleans, LA USofA

'83 XJ6 vdp

same problem Tom, I just figured the bulbs were dark from age//how hard
is it to replace these bulbs?–
Curtis Overman
'86 SeriesIII XJ6
103K Miles
Poquoson, Va.

Tom and Curtis,
I remember someone on the list recommending removal of the green
lenses, but haven’t tried it. To remove the speedo, press in on the
bezel and rotate it about 15 degrees counter-clockwise - then it will
pull straight out. Since it is electronic, no speedo cable to
disconnect ( I spent about 5 minutes groping for one before I realized).
I think the tach comes out the same, and is even easier, since you can
reach behind through the speedo hole to help turn it. After this, I
believe the bulbs are easy to get out and replace.

Steven W. Russert
Boeing Applied Research and Technology
Mailstop 7L-49 (425)865-3588
steven.russert@pss.boeing.com

'82 XJ6 ‘Nigel’
'93 Chevy Astro AWD ‘Tug’
'84 XJ6 organ donor
too many skis and bikes…> ----------

From: curtis overman[SMTP:gco@infi.net]
Sent: Monday, May 04, 1998 11:45 AM
To: TomLadshaw
Cc: xj@jag-lovers.org
Subject: Re: [xj] Instrument Panel Illumination

same problem Tom, I just figured the bulbs were dark from age//how
hard
is it to replace these bulbs?

Curtis Overman
'86 SeriesIII XJ6
103K Miles
Poquoson, Va.

… I’ve got practically no light in the instrument panel. If it’s pitch
black outside, I can see the instrument cluster dimly illuminated. I’ve
tried fritzing around with the rheostat…it apparently has two settings -
“incredibly dim” and “non-existent”.
Is the rheostat possibly faulty? Does a fuse govern the rheostat? (The
lights in the panel do work…they’re just not bright enough.)

I don’t know if it changed for later cars, but in 1981 and 1976, while not
dazzling,
the instrument lights are plenty bright enough. You can’t normally see the
lights on in daylight, but they’re fine in the dark. So it sounds like
something
is wrong. I’d start by checking the voltage at the rheostat. I don’t have a
wiring diagram handy, but I’d guess it should be about 12V on the battery
side, and about the same on the lighty side when turned full up.

Paul Gover.

Have the same problem and was going to pull the ski slope, find the two
wires going into the adjusting knob, wire them together, and put the
switch back in. I really don’t care if I can turn them off or dimmer,
but would like to see the guages at night. Of course I would put the
switch back in to make the dash look complete. Sound like this might
work gang???

On Mon, 04 May 1998 14:45:09 -0400 curtis overman gco@infi.net writes:>same problem Tom, I just figured the bulbs were dark from age//how

hard
is it to replace these bulbs?

Curtis Overman
'86 SeriesIII XJ6
103K Miles
Poquoson, Va.


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