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Q:

Where is the OBDII connector??? on 2004 Cadillac CTS

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
I have a check engine light on and need to find out what is wrong so I can fix the problem.
(1) Answer
under left hand side of the dash.