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Discussion Starter #1
On my 2007 Cadillac DTS someone had jumped my car and hook the battery cables up backwards and now I have no power to the inside of my car nothing to the ignition switch interior lights nor brake light switch my radio works blower motor works and heater controls work checked all my fuses all the fuses are good replaced fuse box inside and outside the car
 

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2006 DTS perf
2006 DTS Performance Lux III
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1,223 Posts
You might have blown some modules could be blown inline fuses. At this point you should bring it to a mechanic with a tech ll scan tool to properly diagnose what is wrong.
 

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2011 DTS
2011 DTS Luxury II
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53 Posts
Double check the #13 fuse under the rear seat (the one marked PassKey). I had a similar problem recently and the symptoms were exactly as yours. Although the fuse looked good, my PowerProbe tester finally flagged it a blown. Just for grins and giggles pull the fuse and replace it with a new one -- what have you got to loose as this point.

Good luck!
 
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