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Everything Electrical & Electronic Have an electrical problem? Lighting, Alternators, gauges, DIC, HUD, etc? Post it here. Please post Audio problems in the Audio forum, and Engine control problems in the appropriate Mechanical forum for your year.

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Old 07-03-2008, 10:00 AM   #1
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Hello everyone, I have a 2005 Bonneville GXP 55000 miles. Here is what happened, I came home last night pulled into my drive as soon as I put the car into park the service stability system, service traction system, service tire pressure system messages came on on the DIC. The engine was still running I turned the engine off when I went to restart it the AC came on and the security light came on went to turn the engine on and nothing happened. I have pulled every fuse in both boxes (under the hood and under the rear seat) all of them are good I also disconnected the battery for about an hour and reconnected it that didnt fix it either anyone have any ideas?
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Old 07-03-2008, 11:45 PM   #2
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have you tried to scan for codes using a code scanner?
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Old 07-04-2008, 03:53 PM   #3
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yeah the code reader would not link up to it today i replaced the battery because when i took it in the parts store told me i needed a new one and the same problem also things work as they should before i try to start it ie. door locks trunk remote opens and panic button but as soon as i put the key in and turn it the fuel pump comes on and wont go off for a long time when it does the radio will come ono sometimes and then non of the remote features work also does anyone know where the starter is on a 05 gxp i want to test to see if i am even getting voltage to the starter i know i am getting 12.5 to the fuse box under the hood and to the alternator. thanks for the help
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Old 07-04-2008, 07:59 PM   #4
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Ok I think I have solved it!!! I took the computer completly out of the car and everything worked normaly. (without the engine but all the wierdness went away) Then I started troubleshooting and discovered it was the blue bundle that connects to the computer, either the computer side or the wire side but somthing is either shorted or the computer is bad.
Does anyone know where to get a diagram of the wires for the engine computer for an 05 Bonneville GXP?
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