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  #1  
Old 02-23-2009, 03:40 PM
pawoSD's Avatar
Dieselsüchtiger
 
Join Date: Oct 2004
Location: Grand Rapids, MI
Posts: 14,861
W126 outside temperature display unit For Sale -perfect

I have a perfect condition (screen is flawless) temperature display for a W126 for sale. $35 including priority mail shipping. Offers will be considered.

It has the 4 pin connector and its from a 1984 300SD.

I'll throw in the sensor cable for free if you want it.

PM me if interested!

Here are a couple pictures:



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Last edited by pawoSD; 02-23-2009 at 04:45 PM.
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  #2  
Old 02-23-2009, 07:12 PM
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C or F
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1982 300SD - 232K miles - Wife's Daily Driver

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  #3  
Old 02-23-2009, 08:29 PM
pawoSD's Avatar
Dieselsüchtiger
 
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Quote:
Originally Posted by bgkast View Post
C or F
How would I verify that? Is there a way to power it up to check it? Which pins are which? I have plenty of 12V sources....

Since its from an '84 I'm going to guess Celsius though.
__________________
-diesel is not just a fuel, its a way of life-
'89 420SEL 168k - mine (OC-170,000)
'93 190D 2.2 - 223k - mine (OC-222,700)
'01 E320 Wagon - 149k - mine (OC-154,000)
'05 C240 4matic Wagon - 153k - wifes (OC-154,500)
'01 E320 - 162k - Dad's (OC-163,500)
'07 E350 Wagon - 116k - dad's (OC-121,500)
'02 E320 - 193k - Brother's (OC - 192,000)
'09 E350 4matic Sedan - 84k - Brothers (OC-85,500)
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  #4  
Old 02-23-2009, 09:17 PM
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If you hold it just right, you can see the outline of the F to the right of the display (light source is important here, twisted-nematic display. You're looking for the reflective/conductive GTO coating on the 2nd surface).
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  #5  
Old 02-23-2009, 09:55 PM
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Quote:
Originally Posted by pawoSD View Post
How would I verify that? Is there a way to power it up to check it? Which pins are which? I have plenty of 12V sources....

Since its from an '84 I'm going to guess Celsius though.
There are five wires, two brown(grounds), a green(signal from sensor), and two others that, one is the back light and the other is the power. If you ground the brown wires, and give power to the other two you'll find out if it's F or C.

Just for reference the probes are the same for a C gauge and a F gauge so the probe doesn't matter. All the magic happens in the display.
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  #6  
Old 02-23-2009, 10:10 PM
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Where does the 5th wire go?
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  #7  
Old 02-23-2009, 10:19 PM
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Speedo drive. It will delay temperature changes when the car is stopped (upgrade).
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  #8  
Old 02-23-2009, 10:26 PM
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Dieselsüchtiger
 
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Quote:
Originally Posted by babymog View Post
If you hold it just right, you can see the outline of the F to the right of the display (light source is important here, twisted-nematic display. You're looking for the reflective/conductive GTO coating on the 2nd surface).
I can't see even the slightest hint of an outline......I tried all angles with a couple light sources.....its just perfectly smooth....not like your average calculator screen.

I don't have any wires.....all I have are pins 1-4....which pins do I give power/ground to to power this thing up?
__________________
-diesel is not just a fuel, its a way of life-
'89 420SEL 168k - mine (OC-170,000)
'93 190D 2.2 - 223k - mine (OC-222,700)
'01 E320 Wagon - 149k - mine (OC-154,000)
'05 C240 4matic Wagon - 153k - wifes (OC-154,500)
'01 E320 - 162k - Dad's (OC-163,500)
'07 E350 Wagon - 116k - dad's (OC-121,500)
'02 E320 - 193k - Brother's (OC - 192,000)
'09 E350 4matic Sedan - 84k - Brothers (OC-85,500)
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  #9  
Old 02-24-2009, 12:06 AM
cdplayer's Avatar
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C or F?

The farenheit displays are enclosed. You can not see the circuit board. On the Celcius you can see the board. You have a Celcius.
Important to test them for graphics. Even with a perfect screen.
I have sold thirty of these displays this year. Fortunately almost all were perfect except two. Part of the graphics in those did not work.
I have fashioned a makeshift harness with a pickup for testing. No problems now.
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  #10  
Old 02-24-2009, 12:51 AM
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Dieselsüchtiger
 
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If this one doesn't work I'd be glad to take it back and give a refund....the circuit board does indeed show on the bottom, so its a Celsius unit.
__________________
-diesel is not just a fuel, its a way of life-
'89 420SEL 168k - mine (OC-170,000)
'93 190D 2.2 - 223k - mine (OC-222,700)
'01 E320 Wagon - 149k - mine (OC-154,000)
'05 C240 4matic Wagon - 153k - wifes (OC-154,500)
'01 E320 - 162k - Dad's (OC-163,500)
'07 E350 Wagon - 116k - dad's (OC-121,500)
'02 E320 - 193k - Brother's (OC - 192,000)
'09 E350 4matic Sedan - 84k - Brothers (OC-85,500)
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  #11  
Old 02-24-2009, 01:02 AM
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|3iodiesel300T|)
 
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Quote:
Originally Posted by bgkast View Post
Where does the 5th wire go?
There are two grounds.
2-Brown-Ground. One comming from the probe and the other going to the ground behind the cluster.
1-Green-stemp signal from probe.
1-Black/Red or Black/Purple ignition power.
1-Black or Grey/Blue power for backlight.
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'04 Jetta TDI Wagon
'82 300TD ~ Winnie ~ Sold
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  #12  
Old 02-24-2009, 01:06 AM
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Rollin' on 16s
 
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$27 shipped?
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine
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  #13  
Old 02-24-2009, 02:23 AM
pawoSD's Avatar
Dieselsüchtiger
 
Join Date: Oct 2004
Location: Grand Rapids, MI
Posts: 14,861
Sold!
__________________
-diesel is not just a fuel, its a way of life-
'89 420SEL 168k - mine (OC-170,000)
'93 190D 2.2 - 223k - mine (OC-222,700)
'01 E320 Wagon - 149k - mine (OC-154,000)
'05 C240 4matic Wagon - 153k - wifes (OC-154,500)
'01 E320 - 162k - Dad's (OC-163,500)
'07 E350 Wagon - 116k - dad's (OC-121,500)
'02 E320 - 193k - Brother's (OC - 192,000)
'09 E350 4matic Sedan - 84k - Brothers (OC-85,500)
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  #14  
Old 03-02-2009, 04:52 PM
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Rollin' on 16s
 
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Location: Vancouver WA
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I got it, pulled a harness from a junkyard car and tested it, it seems to work fine and it is a C model.
__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine
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