1999 Porsche Boxster Radio
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=91425
Printed Date: May 02, 2025 at 12:27 AM
Topic: 1999 Porsche Boxster Radio
Posted By: porsche guy
Subject: 1999 Porsche Boxster Radio
Date Posted: March 08, 2007 at 10:59 AM
Hey everyone!! I'm new to the forum and like what I've been seeing........... I installed a Pioneer headunit in my Porsche Boxster, I found out that the factory alarm senses the factory radio. I've been told that there is a wire in the factory harness I need to do somthing with in order for my horn to stop honking after locking, and the factory alarm to stop going off.............. Can someone please help?????
Replies:
Posted By: KarTuneMan
Date Posted: March 08, 2007 at 12:32 PM
What year, and what type of stock system did you have before the attempted install?
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Posted By: porsche guy
Date Posted: March 08, 2007 at 1:59 PM
It's a 1999 Porsche boxster with a factory Becker CD Player, Also I have a factory 4 channel amp behind the spare tire..
Posted By: KarTuneMan
Date Posted: March 08, 2007 at 2:26 PM
| +12V DC Battery(Constant) | RED / black | | B2 | 7.5 Amp | Fuse holder B | | Switched Accessory | Orange | | E1 | 7.5 Amp | Fuse holder E | | Ground | Brown | | | Power Antenna | White | | | Remote Turn On(output) | BLACK/ red | | | Illumination | Gray/blue | | | Mute | Yellow/black | Telephone mute | | Left Front + | GREEN/ red | Line level output | | Left Front - | BROWN / blue | Pin C1-3; common audio ground | | Right Front + | Violet/red | Line level output | | Left Rear + | Yellow/red | Line level output | | Right Rear + | RED / blue | Line level output |
| Wire Function | Color | Note | Fuse # | Size | Location | | 12V DC Battery | RED / blue | | D9 | 15 Amp | Fuse holder D | | Remote Turn On (input) | BLACK/ red | | | Left Front Mid + | Green | | | Left Front Mid - | BROWN / green | | | Left Front Tweeter + | Yellow | In-panel speaker | | Left Front Tweeter - | Yellow/brown | In-panel speaker | | Right Front Mid + | Violet | | | Right Front Mid - | BROWN / violet | | | Right Front Tweeter + | Red | In-panel speaker | | Right Front Tweeter - | RED / brown | In-panel speaker | | Left Rear Mid + | White | | | Left Rear Mid - | BROWN / white | | | Right Rear Mid + | Blue | | | Right Rear Mid - | BROWN / blue | |
Nothing here that sounds like it's gonna help! -------------
Posted By: tcss
Date Posted: March 08, 2007 at 4:17 PM
The wire isn't actually in the harness, it's in a small micro switch on the left side of the radio chassis. When it senses ground it sets off the alarm. The stock radio has a piece of plastic to keep this wire from grounding. Just pull off the switch and the wire and you'll be fine.
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There is no such thing as free installation!
Posted By: KarTuneMan
Date Posted: March 08, 2007 at 8:00 PM
tcss]T wrote:
e wire isn't actually in the harness, it's in a small micro switch on the left side of the radio chassis. When it senses ground it sets off the alarm. The stock radio has a piece of plastic to keep this wire from grounding. Just pull off the switch and the wire and you'll be fine.
That is some GOOD info there gents..... tcss, thank you! -------------
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