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2003 Cadillac CTS Base 4dr Sedan

2003 Cadillac CTS
Trim Info:
Rear Wheel Drive, 4 Door Sedan, Mid-Size
19 mpg city / 26 mpg hwy
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June 19, 2013, 4:44 pm

Mary V
 

Question: Connected wrong battery terminals

Hello,
I own a 2009 Cadillac cts and recently connected the wrong battery terminals trying to replace the battery. There was a spark when this occurred but the car still runs with other electrical system specs still working (windows, lights, signals). However nothing on the dashboard works. Could you please advice on what the damage could potentially be?


June 24, 2013, 1:10 pm

Ron W
Expert Mechanic

First make sure all your fuses are good. Hopefully the mistake popped one and that is the issue. If not, you may have fried one of the computers. You should have a shop see if they can communicate with each computer.


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