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  #16  
Old 03-22-2008, 01:46 PM
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Quote:
Originally Posted by compress ignite View Post
I see two points for power on the Schematics:
X6 terminal block 58d (2 pole) First picture
X6/1 terminal block 58D (2 pole) Second picture

To get to these you're going to have to disassemble the top of the center
console.
If you lift up the front of the carpet section of the console(Tray) there will
be one Phillips screw to remove.Then you can gently pivot the wooden cover
that fits over the window switches,mirror control switch(it pivots on two
plastic hooks that go under the vertical portion of the console.(you will have
to gently pry up the Black plastic surround that is inset at the gear selector
lever,First)
Aw heck,you'll have to get the console side covers off also.Which is another
magnitude of difficulty.
When you get the horizontal wood cover off the window switches,gently
wiggle one upwards(it just presses into the socket) and by then I may know
which pins on the bottom co-respond to the light bulb and you can check
it out for continuity. EDIT: I think the bulb is pins# 1+ 2 .

I just do not want to believe the problem is wiring.

Do you ever have any trouble with the electrical portion of the ignition switch?
No, the ignition works great.

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  #17  
Old 03-22-2008, 03:37 PM
compress ignite's Avatar
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Read These?

As large as I can get with this format.
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Last edited by compress ignite; 03-23-2008 at 01:20 PM.
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  #18  
Old 03-22-2008, 05:57 PM
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Thankyou, much better.
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  #19  
Old 03-22-2008, 09:21 PM
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I found something in my trunk today, it looks like a cable to hook up to a computer. Is that for the dealer to hook up and read codes?
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  #20  
Old 03-22-2008, 10:32 PM
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Probably either for an early cell-phone "brick" or for a CD changer. Is it a DIN cable?
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  #21  
Old 03-22-2008, 10:52 PM
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Quote:
Originally Posted by babymog View Post
Probably either for an early cell-phone "brick" or for a CD changer. Is it a DIN cable?
What is DIN cable? It looks like this.
Attached Thumbnails
1992 300D lights-1992-plug-001.jpg   1992 300D lights-1992-plug-002.jpg  
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  #22  
Old 03-23-2008, 01:12 AM
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Better Picture

Well...It's not for the Automatic Antenna or the Sunroof Motor.
And whatever it was attached to is not there and will not trouble you anymore.

The Amplifier for the door speakers(if you have them) is on the opposite side.


I found a better picture on GSXR's website
Junction box (Driver's side of console, with carpet removed...instead of side
of console) for lights

Courtesy "124performance"

Ist dieses Bild urheberrechtlich geschützt?
Attached Thumbnails
1992 300D lights-screenhunter_06-mar.-23-01.10.gif  
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Last edited by compress ignite; 03-23-2008 at 01:17 AM.
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  #23  
Old 03-23-2008, 10:31 AM
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Quote:
Originally Posted by compress ignite View Post
Well...It's not for the Automatic Antenna or the Sunroof Motor.
And whatever it was attached to is not there and will not trouble you anymore.

The Amplifier for the door speakers(if you have them) is on the opposite side.


I found a better picture on GSXR's website
Junction box (Driver's side of console, with carpet removed...instead of side
of console) for lights

Courtesy "124performance"

Ist dieses Bild urheberrechtlich geschützt?
What is that? Where is that? I took the center console apart and I found the two grounds and everything looks fine. That picture, is that on the floor? Is that some type of fuse? How do I tell if it is bad?

Last edited by 04 Diesel; 03-23-2008 at 10:44 AM.
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  #24  
Old 03-23-2008, 01:38 PM
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I'm so bogged down in trees,I missed the Forest.

The plug socket #s co-respond to the pin #s on the bottom of the switch.
See the two schematics below.The #1 socket for the (Right or Left) window
switch goes to ground (and it even tells me which ground,W12).The #2
socket is positive power for the illumination of the switch bulb(and it even
shows me where the power should come from,X6/1)

If I turn on the lights,pull one of the window switches and test between
Sockets #1+2 ,I only get 9.(something) volts[with the Battery voltage
being over 12.6].So there is something between the battery and X6/1
that's stepping down the voltage.(AND I can't find that device, Yet)

So...No ground at socket #1,something's wrong between the socket and W12
No power to socket #2, something's wrong between the socket and X6/1
OR BETWEEN X6/1 (and whatever powers it)and the Battery.

Test the window switch(that you have gently wiggled up from the holder on
the console) for continuity between the numbered pins # 1+2(all the pins are
numbered on the bottom of the switches).This will tell you if the bulb is good.
[the bulb's resistance will be low when you test it,remember it's a low power
bulb.]

See replys #13+15 in this post for pictures

At least,after these simple tests,you'll know where the culprit may be hiding.

I think of all the cabin illumination the window switches are the easiest for
you to access in chasing down the problem(s).

The picture in the earlier post is on the driver's side of the Tranny hump ,
about where your right ankle would be.(X6/1 in previous reply #15)
Attached Thumbnails
1992 300D lights-screenhunter_01-mar.-23-13.15.gif   1992 300D lights-screenhunter_03-mar.-23-13.23.gif  
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Last edited by compress ignite; 03-23-2008 at 11:20 PM.
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  #25  
Old 03-24-2008, 07:37 PM
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Quote:
Originally Posted by compress ignite View Post
The plug socket #s co-respond to the pin #s on the bottom of the switch.
See the two schematics below.The #1 socket for the (Right or Left) window
switch goes to ground (and it even tells me which ground,W12).The #2
socket is positive power for the illumination of the switch bulb(and it even
shows me where the power should come from,X6/1)

If I turn on the lights,pull one of the window switches and test between
Sockets #1+2 ,I only get 9.(something) volts[with the Battery voltage
being over 12.6].So there is something between the battery and X6/1
that's stepping down the voltage.(AND I can't find that device, Yet)

So...No ground at socket #1,something's wrong between the socket and W12
No power to socket #2, something's wrong between the socket and X6/1
OR BETWEEN X6/1 (and whatever powers it)and the Battery.

Test the window switch(that you have gently wiggled up from the holder on
the console) for continuity between the numbered pins # 1+2(all the pins are
numbered on the bottom of the switches).This will tell you if the bulb is good.
[the bulb's resistance will be low when you test it,remember it's a low power
bulb.]

See replys #13+15 in this post for pictures

At least,after these simple tests,you'll know where the culprit may be hiding.

I think of all the cabin illumination the window switches are the easiest for
you to access in chasing down the problem(s).

The picture in the earlier post is on the driver's side of the Tranny hump ,
about where your right ankle would be.(X6/1 in previous reply #15)
Ok, turned lights on and no power to socket #1 and no power to socket # 2. Now what?
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  #26  
Old 03-24-2008, 08:37 PM
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Location: Waterloo Illinois
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Angry

Quote:
Originally Posted by compress ignite View Post
I see two points for power on the Schematics:
X6 terminal block 58d (2 pole) First picture
X6/1 terminal block 58D (2 pole) Second picture

To get to these you're going to have to disassemble the top of the center
console.
If you lift up the front of the carpet section of the console(Tray) there will
be one Phillips screw to remove.Then you can gently pivot the wooden cover
that fits over the window switches,mirror control switch(it pivots on two
plastic hooks that go under the vertical portion of the console.(you will have
to gently pry up the Black plastic surround that is inset at the gear selector
lever,First)
Aw heck,you'll have to get the console side covers off also.Which is another
magnitude of difficulty.
When you get the horizontal wood cover off the window switches,gently
wiggle one upwards(it just presses into the socket) and by then I may know
which pins on the bottom co-respond to the light bulb and you can check
it out for continuity. EDIT: I think the bulb is pins# 1+ 2 .

I just do not want to believe the problem is wiring.

Do you ever have any trouble with the electrical portion of the ignition switch?
I think I found the problem, the second picture has a electrical comection. The male part on mine is missng, maybe it fell down the side console. I will look tomorrow after work, too cold and to dark right now. Look at response #15, second picture. I was wrong there is nothing to plug in there, just a bunch of wires screwed together. Now what, I have everything apart and I am not going to put it back until I fix this problem.

Last edited by 04 Diesel; 03-25-2008 at 07:12 PM.
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  #27  
Old 03-24-2008, 09:00 PM
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Yes

That's the same picture as in reply#22.
The "silver" box (in reply #22.)
The two cables that look like they are plugged into the "silver" box(in reply#22)
(from the right).

IF you are saying that one of them is "86" [gone/unplugged].
That would stop power from being delivered to the interior/dash/console lights.

In your test Today socket #1 is the/leads to Ground ('have to put Positive lead
of DMM on something "HOT"/12volt and the Negative lead into the #1 socket,
with the DMM set to Direct Current)
Socket #2 is the power supply lead to the Window Switch Bulb.If Tomorrow
you find the missing plug/cable(s) and re-insert it(them) into X6/1 [the "silver" box][Barring any other electrical faults]...socket #2 will be "Live"(powered)
and you could use it to test socket#1.
Although by then the lights will hopefully be on.
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124.128
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  #28  
Old 03-25-2008, 08:53 PM
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No Power

The silver box (designated X6/1 by Mercedes in the FSM)in the picture at reply # 22
is the source of Positive Voltage for the interior lights.
The notation to the side of X6/1 reads:"Hot with exterior lamp switch in PARK
or HEAD(light).
If the Headlight switch is turned to Parking lights or Headlamps, X6/1 is Energized.

Question:IS THERE ANY POWER AT X6/1?
No Power = problem between X6/1 and the Headlight switch.
Power at X/61 PLUS:

Question: Is there continuity in the wiring Between X6/1 and the #2 socket(s)
of the window switches?
No continuity = another fault to be dealt with.
Continuity PLUS:

(IF THE WIRING BETWEEN X6/1 AND EACH BULB IS INTACT, the bulbs light up.)

SO,the problem is in between the headlamp switch and X6/1.
If you have Parking lamps and Headlamps,BUT no power at X6/1 the problem
must be between the headlamp switch(or maybe the switch itself) and X6/1.

Maybe?

Is it a Full Moon Yet?
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124.128
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  #29  
Old 03-25-2008, 09:09 PM
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Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by compress ignite View Post
The silver box (designated X6/1 by Mercedes in the FSM)in the picture at reply # 22
is the source of Positive Voltage for the interior lights.
The notation to the side of X6/1 reads:"Hot with exterior lamp switch in PARK
or HEAD(light).
If the Headlight switch is turned to Parking lights or Headlamps, X6/1 is Energized.

Question:IS THERE ANY POWER AT X6/1?
No Power = problem between X6/1 and the Headlight switch.
Power at X/61 PLUS:

Question: Is there continuity in the wiring Between X6/1 and the #2 socket(s)
of the window switches?
No continuity = another fault to be dealt with.
Continuity PLUS:

(IF THE WIRING BETWEEN X6/1 AND EACH BULB IS INTACT, the bulbs light up.)

SO,the problem is in between the headlamp switch and X6/1.
If you have Parking lamps and Headlamps,BUT no power at X6/1 the problem
must be between the headlamp switch(or maybe the switch itself) and X6/1.

Maybe?

Is it a Full Moon Yet?
I turned lights on, put meter on the x6/1 and no power. I am getting mad at these lights.
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  #30  
Old 03-25-2008, 09:25 PM
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Location: Waterloo Illinois
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Quote:
Originally Posted by compress ignite View Post
Well...It's not for the Automatic Antenna or the Sunroof Motor.
And whatever it was attached to is not there and will not trouble you anymore.

The Amplifier for the door speakers(if you have them) is on the opposite side.


I found a better picture on GSXR's website
Junction box (Driver's side of console, with carpet removed...instead of side
of console) for lights

Courtesy "124performance"

Ist dieses Bild urheberrechtlich geschützt?
Where is this thing at? I have center console off and the driver side console carpet off and dont see it. Also, you are saying there might be a problem between x6/1 and the headlight switch? If headlight switch is bad, would headlights still come on? Because my headlights work.


Last edited by 04 Diesel; 03-25-2008 at 10:00 PM.
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