About the Axxess AX-PO90052 Wiring Interface
Axxess AX-PO90052
You want to upgrade the stereo in your 2005-09 Porsche, but you don't want to lose important factory features. Axxess' AX-PO90052 interface retains the steering wheel audio controls, along with the Porsche M.O.S.T. 25 amplifier. It also provides a 12-volt accessory output and maintains your retained accessory power (R.A.P.) feature, as well as providing the navigation connections (reverse, speed pulse, and parking brake) that you'll need to install a car stereo with GPS.
Product highlights:
- retains steering wheel audio controls and factory amplifier
- maintains retained accessory power (R.A.P.) and warning chimes
- provides 12-volt accessory output (not present in factory harness)
- provides navigation connections (reverse, speed pulse, parking brake)
- warranty: 1 year
- MFR # AX-PO90052
What's in the box:
Axxess AX-PO90052 Wiring Interface owner's manual
- Radio replacement interface module
- Amplifier interface module
- Steering wheel control interface module (ASWC-1)
- CTS-P005.2M wiring harness
- Steering wheel control harness
- LD-SWC-F3.5 harness
- Installation Instructions
Customer reviews for Axxess AX-PO90052 Wiring Interface
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More details on the Axxess AX-PO90052 Wiring Interface
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Features
Vehicle Compatibility: The AX-PO90052 radio replacement interface module from Axxess Integrate allows you to replace the factory radio in select 2004-2009 Porsche vehicles featuring a stock M.O.S.T. 25 amplifier with an aftermarket head unit, while retaining important factory features.
| Make | Model | Year |
|---|---|---|
| Porsche | 911 (997) | 2004-2009 |
| Boxster (987) | 2004-2009 | |
| Cayman (987C) | 2004-2009 |
Retained Factory Features: The Axxess Integrate AX-PO90052 retains the following OEM features in your vehicle after you have replaced your factory radio with an aftermarket head unit.
- Factory Amplifier: The Axxess Integrate AX-PO90052 retains the vehicle's stock M.O.S.T. 25 amplifier with balance control. Fader control is not supported. Your new aftemarket stereo must have 4V or higher pre-outs.
- R.A.P. (Retained Accessory Power): The AX-PO90052 retains the R.A.P. function in your vehicle. R.A.P. (Retained Accessory Power) supplies power to the radio after the ignition is shut off until one of the front doors are opened.
- Warning Chimes: The AX-PO90052 will also retain factory warning chimes when present in your vehicle.
- Steering Wheel Audio Controls: If your aftermarket head unit is steering wheel control ready, the included ASWC-1 steering wheel control interface module and harness allow you to retain your vehicle's factory steering wheel audio controls.
Outputs: The Axxess Integrate AX-PO90052 provides a 12V/10A accessory output, illumination output, and navigation outputs to make installation easier and less time consuming.
- Accessory (12V/10A): Because there is no 12-volt accessory wire in the factory harness of your vehicle, the AX-PO90052 provides a 12-volt, 10-amp switched accessory output. This prevents you from having to run an accessory wire to the fuse box or underneath the steering column when installing your aftermarket stereo.
- Illumination Output: The AX-PO90052 also has an illumination output if your new aftermarket head unit has an illumination wire.
- Navigation: The AX-PO90052 provides essential wires required for aftermarket radios that have navigation. VSS (Vehicle Speed Sense), Reverse, and Parking Brake wires are provided. This helps to cut down the installation time, since the installer does not have to look for or tap into these wires in the vehicle.
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Customer Q&A
8 questions already asked
Q
do phone controls on steering wheel work with this kit, or just radio? For reference, 997.2 with pcm 3 system, no bose.
bryan May 12, 2022
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate. If it does not, then they will also be able to discuss other options with you.
kenneth May 14, 2022 (Staff)
Q
My 2006 997.1 911 Carrera with Bose Sound System and GPS has no steering wheel controls (just small display under gauge cluster that shows radio station) would I need to buy the $300 steering wheel package or is this not needed due to the absence of these steering buttons on my model?
gerardo Apr 21, 2021
2 answers
A
It is not needed due to the absence of the steering wheel controls.
randy Apr 29, 2021
A
No need to buy the steering wheel package if you don't have the buttons. I purchased just the wiring harness, which made installation really easy. It'sa great unit and will give your 997 so many features. You will lose the station info in your gauge cluster and some other small settings like daytime running lights, but the other features far outweigh those missing pieces.
michael Apr 29, 2021
Q
Has anyone who installed this interface noticed a significant reduction in volume output? Just installed this in my '05 Boxster S and with my HU at max volume it's still only about 65%-70% of the volume that was output with the factory CDR24. Wondering if the interface itself is really pulling that much power or if I have something incorrectly installed.
scott Jun 11, 2020
3 answers
A
My volume is fine (2006 911). You need to make sure that the volume is set to mid way before you disconnect to original PCM otherwise you can run in to problems like this
rickard d Jun 16, 2020
A
If anything swapping from the stock headunit to a pioneer with this adaptor made the stereo in my 05 boxster (with Bose) louder.
jeremy Jun 16, 2020
A
Yes I have also noticed the reduction in volume in my 06 Boxster S after installing the axxess interface, but have not found a solution.
ronak Jun 16, 2020
Q
Does using this kit preserve the ability to set fade between front and rear speakers?
fabio Aug 21, 2019
4 answers
A
, the only way to achieve that is to add an amplifier to the unit or wire the speakers directly to the head unit.
michael Apr 29, 2021
A
No it does not
richard Aug 27, 2019
A
Short answer - no. (for my 2006 Porsche 911)
I had never tried it as the front/rear balance was perfect for me. I'm tall and have the seat all the back. The back speaker is right under my head. But I played with it today and all the it does is lower the overall volume of the system. Right left works fine. After thinking about how it hooked to the unit this makes sense.
Overall, I've been happy with the sound. Better than the original system. My home system is very nice (B&W etc). However, I don't put tons of money into the car audio, as they are cars with (lots of) noise.
Hope this helps.
jonathan Aug 23, 2019
A
No it doesnt. There is no harness available from any dealer that allows this that I am aware of
rickard d Aug 22, 2019
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Installation can be a little intimidating at first. Just read and follow carefully the excellent instructions provided and you'll be fine. One tip, test everything before putting your dash back together.
Phillip from Plano, TX