[xj] A/C heater wiring diagram

I have a 1982 Jaguar XJ6 I’m doing some work on. Anyway, I removed
the center console and somehow pulled the wires off of the Heater-
A/C controls.

I know where the wires go (to the control), but I don’t know which
one goes where.

Can anyone help me out with either a wiring diagram or a picture of
the controls so that I can see which color wire goes where.

Thanks in advance,

John–
JhnZ33
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In reply to a message from JhnZ33 sent Sat 4 Jun 2005:

thats a hard one you might have to look at a control unit to see
it, pajtas–
jaguarjoe 54 XK 120 rdstr 1961 MKIX 94 XJ6
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In reply to a message from JhnZ33 sent Sat 4 Jun 2005:

Does this work?

http://www.backglass.org/duncan/jag/cc/servo_wire_colors.jpg--
The original message included these comments:

I have a 1982 Jaguar XJ6 I’m doing some work on. Anyway, I removed
the center console and somehow pulled the wires off of the Heater-
A/C controls.
I know where the wires go (to the control), but I don’t know which
one goes where.
Can anyone help me out with either a wiring diagram or a picture of
the controls so that I can see which color wire goes where.


Duncan Brown 1985 SIII XJ6
Grayslake, IL, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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The archives and FAQ will answer many queries on the XJ series…
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In reply to a message from frobozz sent Sun 5 Jun 2005:

It’s not the servo wiring I’m looking for, but thanks for the
detailed photo.

Actually, it’s the control to the right of the radio, which I think
is the fan speed/gate control switch, as I think the left hand
control (left of the radio) is temperature.

If I could get a picture or diagram of that, that would be great.

John–
The original message included these comments:

In reply to a message from JhnZ33 sent Sat 4 Jun 2005:
Does this work?


JhnZ33
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In reply to a message from JhnZ33 sent Sun 5 Jun 2005:

Actually, it’s the control to the right of the radio,
which I think is the fan speed/gate control switch,
as I think the left hand control (left of the radio)
is temperature. If I could get a picture or diagram
of that, that would be great.

Ah, sorry, misunderstood.

Well, I went to take a picture of it and lotsa luck! Too
much of the interior would have to be disassembled to get
that switch out to get a picture of the back. I’m a helpful
sort, but not that helpful! So how about this: an excerpt
from the schematic in the S57 electrical diagram publication
(a very good investment, I might add, and not that expensive.)

I’ve annotated it at the bottom to help you figure it out,
and added a picture of my spare switch with annotations too.
I am basing my annotations on my reading of the schematic,
without verifying it in real life. The only connections in
question are the NO/NC pairs on switches A and C so once you
get it all hooked up let me know if I’ve done those wrong!

http://www.backglass.org/duncan/jag/cc/jag_cc_switch.jpg--
Duncan Brown 1985 SIII XJ6
Grayslake, IL, United States
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In reply to a message from JhnZ33 sent Sun 5 Jun 2005:

Actually, since you have yours all apart, maybe you could
answer a question for me: is there a switch on the end of
the servo, fed by yellow-brown and green-brown wires? (The
schematic says it was deleted on later models.) And if it
is there, does it somehow ride on a cam in the middle of the
switch we’ve been discussing, instead of on the cam on the
end of the servo?

My spare servo came without that switch installed, but it
used to be (the wires are there.) If I mount a switch in
the obvious way to ride the servo cam, the cam shatters the
switch body! So I’ve been trying to figure out how the
switch mounts. But in studying this control switch, I
notice a cam in between the ones that operate the
microswitches, that clearly had something riding on it when
in use… and something that would only get actuated when in
defrost mode. Since the switch in question is the A/C
override switch (just turns the compressor on, no matter
what) that would make sense. I just need to see what sort
of crazy mechanical arrangement they have to have a switch
on one assembly (the servo unit) reach over and ride on a
cam on another assembly (the master control switch)…and
how on earth anyone ever gets this all disassembled without
breaking something, or reassembled with everything lined up
properly.–
Duncan Brown 1985 SIII XJ6
Grayslake, IL, United States
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In reply to a message from frobozz sent Sun 5 Jun 2005:

I have taken a picture of the end of the servo, and it displays the
micro switch in question with the yellow/brown and green/brown
wires feeding it.

I need a place to upload the pic to though.–
JhnZ33
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In reply to a message from JhnZ33 sent Sun 5 Jun 2005:

You can email it to me and I’ll put it up on my server.–
The original message included these comments:

I have taken a picture of the end of the servo, and it displays the
micro switch in question with the yellow/brown and green/brown
wires feeding it.
I need a place to upload the pic to though.


Duncan Brown 1985 SIII XJ6
Grayslake, IL, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
–Support Jag-lovers - Donate at http://www.jag-lovers.org/donate04.php

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In reply to a message from frobozz sent Sun 5 Jun 2005:

OK, here is the picture he sent me:

Wow, I somehow didn’t stumble on that way to install the
switch (and given that there are really only two ways to
install the switch, that’s pretty embarassing!) I’ll have
to look at that on my spare servo again, hmmmmm…

That still doesn’t explain the extra cam on the function
switch, or the wear on it that says something was riding on
it. (I’m sinking too deeply into this: there’s a rusted
away parts car parked at a service station near me and I’m
already thinking that if I could snag it for $100, I could
drag it home and have a full climate control system to play
with before stripping the car and throwing away the husk…
aieeee!!!)–
Duncan Brown 1985 SIII XJ6
Grayslake, IL, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
–Support Jag-lovers - Donate at http://www.jag-lovers.org/donate04.php

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In reply to a message from frobozz sent Sun 5 Jun 2005:

Glad to be of help. One good turn deserves another.

The pic you posted was EXACTLY what I needed.

Many thanks again,

John–
The original message included these comments:

In reply to a message from frobozz sent Sun 5 Jun 2005:
OK, here is the picture he sent me:
http://www.backglass.org/duncan/jag/cc/servo_end_switches.jpg
Wow, I somehow didn’t stumble on that way to install the


JhnZ33
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