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Hi, I was wondering if anyone has the wire diagram to a 1999 996 cab. I am trying to install an aftermarket keyless entry system that will also be able to control the convertible top and the windows remotely. Has anyone tried this, does it work? I am not going to disable the factory alarm, but merely bypassing it??? All thoughts are encouraged. Thanks

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no its not the Mods4Cars version. I was just thinking that it be possible to add keyless entry to our cars, once i have that installed, i would like to add remote window operation and remote convertible operation. I would not be disabling the factory alarm, just bypassing it. If i had the diagram that labels all the wires, then maybe this will work....If anyone has one, please provide, thanks!

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Remote windows and top are already a feature of the Porsche system - but they were not offered in the US. As I recall you need a 2 or 3 button key and then reprogram the alarm/central locking controller to a European country. You will need a shop with a PST2 or PIWIS tester to do the reprogramming.

Porsche had sold schematics on their tech website in the past (for $110 each) - but I now see that feature is gone from their site.

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....I was just thinking that it be possible to add keyless entry to our cars, once i have that installed, i would like to add remote window operation and remote convertible operation.

These cars already have keyless entry .... at least every 996 I ever saw has it. Have you checked your owners' manual?

The remote window & convertible top operation can be added with a very simple, plug and play device by Wilhelmy. In addition you get the ability to raise / lower top while moving. With the availability of these great products, I can't imagine doing something so drastic as disabling / bypassing the OEM entry / alarm system.

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thanks all for the replies. i have the oem keyless entry but the FOB has stopped working. to get a new one, it would cost around the 250-300 dollar range just for a new remote. For that price, i was thinking I could just get a keyless entry system with the ability to operate the windows and maybe add the ability to operate the convertible.

So I guess it all started with the FOB failing and me not wanting to pay 300 dollars for just another remote.....

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