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Old 01-30-2010, 10:45 PM
Texholdem Texholdem is offline
Texholdem
 
Join Date: Mar 2007
Location: Dallas
Posts: 756
Quote:
Originally Posted by cdplayer View Post
I sell many outside temp displays on Ebay and occasionally come across an individual that needs to convert from a 4 pin connector to a 5 pin.
The diagram I found somewhere on this forum indicates as follows:
Wire color position usage
brown 1 ground(and temp sensor ground)
grey/blue 2 circuit 58D from x6/1(illumination)
green 3 temperature sensor(signal)
----- 4 not used
black violet 5 circuit 15 hot(color may vary)

I hope this helps some.
Dan(cdplayer)
I measured at the connector:

pin 1: ground, OK
pin 2: nothing when head light is off and instruments backlight is off; 11.98V when turning lights on. OK
pin 3: nothing displayed for sensor signal
pin 4: 12V permanent ??? for what?
pin 5: 12V permanent. OK

The power supply is OK, that means both my display units seem broken, what a bad luck!
__________________
1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE

Last edited by Texholdem; 01-30-2010 at 10:53 PM.
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