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GM-Frank, ASE Master Certified
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Experience:  37 Years Automotive Diagnosis & Repair. Experience with all makes and models..
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2004 Deville: License plate..Cant find the fuse.

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My 2004 Deville License plate lights are out. Can't find the fuse. Can you help?




The DIMR fuse supplies battery positive voltage to the license lamps.



The fuse you are after would be fuse #13. IT is a 10 amp fuse in the rear fuse block.




The rear fuse block is located under the rear seat.




If the fuse is good, you may need to check the wiring at the license plate for power and the condition of the bulbs and their sockets.


I hope this information is helpful.


Happy Thanksgiving


Have a Great Day



Customer: replied 8 years ago.



So i should check the fuse first although I don't think thats it as the other items on DIMR are ok.The actual bulbs and connectors should be checked as well. Right?


That is correctCustomer


If everything else on that fuses circuit is fine, then you'll want to start at the license place lamp sockets.


I recommend using a 12 volt test lamp to check for power at the electrical connectors with the parking lamps in the on position.



  1. Open the rear compartment lid.



  1. Push on the right side of the license lamp and release the locking tab.
  2. Allow the lamp to drop down from the opening.



  • Disconnect the electrical connector.



    Remove the bulb from the socket.


    In most cases, the bulb is what has failed. They will turn a silver color.


    If for any reason, the bulbs are OK and the fuse is good, then we might have a wiring problem. I'm leaning toward bad bulbs.



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