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Door locks and power windows not working


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I just installed a Pioneer P6000 dvd player in my car and after doing so can no longer lock my doors or use my power windows.

When pressing the "lock" button on my dash bezel nothing happens. Also when using my keyfob (new battery) it does not lock the doors.

The power windows buttons on the center console doesn't move my windows.

But when I open the door (both passenger and driver side) the windows move down a 1/4 inch to clear the softtop, and go up after closing. So the windows *do* work.

Also when opening or closing the soft top, the windows do NOT go down/up. I am forced to open both doors to get the top up.

The interior lights at the footwell no longer work either.

I put tape over the sensor for the head unit, that didn't help.

I have tried re-disconnecting the battery. No help. I pulled my driver seat and checked the fuze in the alarm module. It's not blown.

I really dont know what else to do. I really need to be able to lock my car (and it would be nice to be able to lower and raise my windows.

Thank you for any help

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After reading your post it looks pretty clear that the issue is related to the Pioneer installation, i would take a look in this area first, disconnect the Pioneer if necessary.

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I'm wondering what part of the installation is part of it, because that seems like the obvious answer. I removed the Pioneer and the problem did not go away, is there a related fuse I could have blown somewhere even though the battery was disconnected when I did it? (not the one under the seat)

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Take a look in the fuse box for a blown fuse and disconnect the battery (reset) for a couple of minutes and try again. If you have no result, a diagnostic tool can guide you the way to go.

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Take a look in the fuse box for a blown fuse and disconnect the battery (reset) for a couple of minutes and try again. If you have no result, a diagnostic tool can guide you the way to go.

The only reason I don't think fuse is because the windows still *work* when opening the doors, but i'll check them in case.

What kind of diagnostic tool do I need and where would I get it? I'm very new to Porsche.

Thank you!

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Perhaps a forum member with a diagnostic tool in your area can help you out, complete your member profile with your location to make it easier.

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