Cadillac Repair: a/c control/fuel data center, electronic climate control, volt ohm meter

Question
1993 Cadillac sedan deville 4.9// fuel data center and electronic climate control screen are black when car is started up after car runs for 30 minutes they come on and work can you please help me THANK YOU ! JOHN

Answer
We will need to perform some simple test procedures using a DIGITAL VOLT/OHM METER which you can purchase at Wal-Mart or any autoe parts store for $20.00 and we can perform some test procedures to find and fix the problem.

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