Thread: 04 grand Prix door locks help

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  1. #1 04 grand Prix door locks help 
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    Just bought the 04 Grand Prix and cannot figure out why the doors wont lock. The lock switches on both doors will not lock them nor does the key FOB. I do hear a clicking on the drivers side under the dash. The switch on the drivers door opens the trunk but wont lock the doors. I could really use some help here if anyone else has experienced it.
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  2. #2 Re: 04 grand Prix door locks help 
    GTP Level Member rperry435's Avatar
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    I believe there's a lock and a unlock relay.
    If its working one way and not the other it's a good possibility that the relay is no good. That's a good starting point.

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    '04 CompG - 3.6MPS - 104s - FWI - TOGS - w/14"SlimFans - SLP RR' s - 180HF Stat - TEP SK - Aluminum Oil Pan - 4thGen ZZP Wires - LS7 Lifters - AeroForce - AEM WB - HPTuners - FBSS Air Ride
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  3. #3 Re: 04 grand Prix door locks help 
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    Anyone know if there is a relay for sure an where it is? I have the same issue with my impala
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  4. #4 Re: 04 grand Prix door locks help 
    GTP Level Member rperry435's Avatar
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    Impala is in the right side fuse panel if I remember correctly I can later at a diagram in a few

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    '04 CompG - 3.6MPS - 104s - FWI - TOGS - w/14"SlimFans - SLP RR' s - 180HF Stat - TEP SK - Aluminum Oil Pan - 4thGen ZZP Wires - LS7 Lifters - AeroForce - AEM WB - HPTuners - FBSS Air Ride
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  5. #5 Re: 04 grand Prix door locks help 
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    Quote Originally Posted by rperry435 View Post
    Impala is in the right side fuse panel if I remember correctly I can later at a diagram in a few

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    Yeah if you can that would be great. It's an '02
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  6. #6 Re: 04 grand Prix door locks help 
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    Mine just clicks. Doesnt lock or unlock them. Sounds like the clicking is coming from the BCM.
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