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The problem was fixed by adding a thicker wire from the alternator to the starter.
In my 2005 997 manual Carrera S with Chrono pack, I have had an intermittant problem of the car failing to start due to a battery with too low a charge. I drive this car daily. No dash battery discharge warning indication has ever shown. Recently I changed the battery, and then had a regulator failure requiring a new one. 4 weeks, later, after a few starts during the day, the car failed to start due to low battery. To shorten the story, I discovered there is a 1 volt voltage drop in the thick positive wire that travels the length of the car from the alternator to the battery. Trouble shooting indicates the problem is between the alternator, and the connector next to the gearbox. The generator/regulator puts out 13.8V, but at the battery the voltage varies between 12.5 and 13 V. I suspect it is where 2 wires are pre joined at the starter motor solonoid, since there are no other connectors, and the wire is unlikely to have been damaged. Before I go removing the air filter and fuel injection plenium chamber to get behind the starter motor, I have a couple of questions. Is this an uncommon problem, or is it a known design fault? If anyone has had this before, what was the cause? Why doesn't the battery discharge warning on the dash come on to warn me?
If anyone has a used PSE system for sale, or even just the mufflers, please let me know.
The price is without installation. Australia is a high tax and high import duty country, that makes even the cost of buying cars at least 50% more than USA or Europe. I buy parts overseas on ebay, and then I have to add shipping and import duty. I have thoroughly read all the posts. I am experienced in messing with cars, including labour intensive rewiring. I want a similar sound to PSE which is switchable, but at a reduced price. I am interested to learn more about the aftermarket units available. But I can also see that it wouldn't be too hard to weld the extra outflow pipe to a standard muffler, and source an exhaust valve. That is why I want to know what the internal differences between the PSE and standard muffler are, too see if that is an easy modification too.
I was surprised to be quoted a price of $5,500 (Australian dollars) for a Porsche Sports Exhaust kit for my 2005 Carrera S with chrono. Comparing my standard muffler with the Sports Exhaust Muffler, it looks externally identical except for an extra exhaust pipe that is welded to the top of the unit, and which is opened or closed by the electrically operated vacuum powered flap. I can see that it would not be too difficult to weld the extra exhaust pipe to the standard muffler, and even add a non Porsche vacuum valve. My question is, are there any differences internally between the 2 mufflers, and what are the differences? I assume that there are differences, because a common muffler hack of welding a pipe from a new outlet (as used in the PSE muffler), to the single exhaust, still does not produce the same sound as a fully open PSE. Reading various posts, others are adding an additional pipe between the muffler intake and exhaust pipe to get extra sound (I suspect that would be louder than the PSE depending on the diameter of the bypass pipe). There is a post with a picture of a standard muffler cut open, but does anyone have a picture of a PSE muffler cut open?
The problem is now solved. Mobridge tech help answered my initial installation query, but did not answer a couple of emails reporting that the setup Wizard won't run on at least 6 computers that I tried. I now know that the set up Wizard version that was available for download initially (version 1.1.1) was faulty. After a week of trying, I went back to the website, and an older software version was displayed (version 1.1.0), which I downloaded, and ran successfully. For everyone's information, the setup Wizard software once it is executed, gives 3 options for downloading your selected setup to the Mobridge unit - installer cable, bluetooth, or SD card. I used the latter. So it is not necessary to have an installer cable. I have not reconfigured the Porsche PIWIS software removing the CD stacker. Everything still runs fine, but an error message shows everytime the car is started, that no CD stacker is found. After acknowledging this by pressing the right side rotary knob, everything works fine. I will reconfigure PIWIS later. I have now looked at the Mobridge website download section today, and a later version of the Wizard software is offered (version 1.1.2). I hope that this information may help future DIY installers.
Thanks. I am aware of this information from the Mobridge website. I have done it all, but when I get to step 3 of the installation guide, the program won't run. It jams with a windows error mesage. I wonder if it is my version of Windows XP. I'll next try to run the program on someone elses computer
To clarify my software problem I downloaded the Mobridge install wizard, with the intention to to try to use my notebook over Bluetooth to configure Mobridge directly. This software would allow the unit to be reconfigured to Porsche from the original Mercedes setup. I can install the program OK on the computers, but when I run the program file on a number of computers, I get a Windows XP error message. I have downloaded the file a number of times using Mozilla and Internet Explorer. I have tried to run the program on a stand alone computer, and with a Bluetooth connection to the Mobridge in place. Program still gives a Windows error message when I try to run it. Any further suggestions? I am running Windows XP with the latest updates. Should the program be able to run on a computer without the Mobridge connected, either by cable or Bluetooth?
To clarify my software problem I downloaded the Mobridge install wizard, with the intention to to try to use my notebook over Bluetooth to configure Mobridge directly. This software would allow the unit to be reconfigured to Porsche from the original Mercedes setup. I can install the program OK on the computers, but when I run the program file on a number of computers, I get a Windows XP error message. I have downloaded the file a number of times using Mozilla and Internet Explorer. I have tried to run the program on a stand alone computer, and with a Bluetooth connection to the Mobridge in place. Program still gives a Windows error message when I try to run it. Any further suggestions?
I have a 2005 997 carrera S with CD changer, and a I self installed a Mobridge Bluetooth unit so I can connect my phone and Ipod. When I bought the Mobridge, it was set up for Mercedes. I know that the hardware installation is correct, because the Mobridge establishes contact with the Ipod and I can pair my phone via Bluetooth with it. But PCM does not see it at all. On pressing tel button system responds - no SIM installed, pressing CD twice for cd changer shows 'cd changer: no cd'. I tried to place the latest downloaded .flf files on SD card, stopped and started car multiple times, did let it sleep - no use. An email from Mobridge tech help suggested that I get an installer to run the install wizard to reconfigure for Porsche, which I assume requires the special installer cable that plugs into the Ipod connection and a laptop. It was also suggested that the Porsche electronics needs to be reconfigured as not having a CD changer. I downloaded the Mobridge install wizard, with the intention to to try to use my notebook over Bluetooth to configure Mobridge directly. This software would allow the unit to be reconfigured to Porsche from the original Mercedes setup. I can install the program OK on the computers, but when I run the program file on a number of computers, I get a Windows XP error message. I have downloaded the file a number of times using Mozilla and Internet Explorer. Does anyone know for sure if the Install Wizard can be run over the Bluetooth connection? Any other suggestions? There is a lot of pride in doing a DIY installation, and working on my Porsche is a "labour of love". I will only go to a professional installer to complete things, if all other possibilities are exhausted.
I finally figured it out. The last screw that is not obvious, is behind the headlight switch, which has to be removed first.
I am most of the way through removing the driver side lower trim on a right hand drive 2005 Carrera S. There seems to be one remaining attachment point around the key ignition switch, which I can not find even when I removed the ignition. Can anyone help? Pictures would be good.