My temperature readout at the bottom of my W126 instrument cluster is broken so I want to replace it. I popped out the dash and naturally there are a million wires back there....so which one of those is the thermometer unit? I don't want to mess anything up! Also, since I have a euro car and it obviously originally read in Celsius, will a US Fahrenheit unit hook right up and work? Or can I only replace it with a C unit?

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'86 420SE Euro
904 Midnight Blue, Gray Velour
Dad bought it new, now I own it.

"A Mercedes-Benz is like a fine wine, it only gets better with age."