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Biagnostic connection

(1990 Cadillac DeVille)
in Springfield, GA on December 16, 2010
where is the diagnostic connector
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Popular Answer
of Joels Auto Service on December 16, 2010

IT IS UNDER THE DASH IN THE MIDDEL OF THE CAR BETWEEN THE 2 SEATS PASS YOUR HAND AND YOU WILL FEEL A SMALL DOOR ABOUT 2 BY 2 OPEN IT AND IT IS INSIDE DONT PULL ON IT YOU COULD BREAKE THE PLASTIC HOLDING IT

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