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Found 5 results

  1. Hi everyone, I have a 2003 C4S, I bought a Ebay kit, but have a MOST system, but non bose. CAn anyone provide me with some instructions on how to do an amp bypass? I don't nkow where the amp is, and does anyone have a wiring diagram of the amp? How to feed the wires to the amp from the head unit? thanks, Ben
  2. The car is a 2004, Boxster S - 986, with "Bose High End Sound Package" option. This Bose system has the CDR23 head unit and an amp in the front trunk. There are left and right speakers in the dash, the doors and in the rear mounted speaker box. The rear mounted speaker box has two small speakers on the left and right and a large port in the center. I am a persistent person, but I am finally having to reach out for help. After several months of off and on searching for information, I finally decided to pull the trigger and replace the head unit in the Boxster. From reading an unbelievable number of posts on this and other forums, I was convinced that the best course of action was to circumvent the MOST system and replace the head unit and amp together. Contrary to most advice, I plan to keep the original speakers (at least initially). Wiring is the challenge. My thoughts were that I would replace the pre-amp wiring with new since that is where the MOST system is in play so this was a no brainer. I purchased a wiring harness from Crutchfield to keep the original harness intact. While it did allow me to keep the harness, it only mated to 3 wires (and Crutchfield had two of those wired incorrectly). Luckily searching this forum and using my multimeter, I was able to figure out what was needed for the head unit. Pulling the pre-amp wiring from the new head to the front trunk turned out to be easier than I was expecting and wiring the amp for power is a breeze since it is almost on top of the battery. Now, speakers. I thought this was overly complicated from the post and some extensive DIY posts that I read, but I pushed on. I hunted for days on end to find a wiring diagram that matched what I was finding in person and have still not found it; I have looked at numerous ones, but none are actually like mine. I have come to appreciate that Porsche has many ways to wire these things and it is almost like everyone is unique. Not having a wiring diagram that worked, it was pretty easy to separate the speaker wires from the others on the wiring harness that connected to the original amplifier. My plan was simple, put an audio source on each of these and map where sound comes out. The first unusual thing that I encountered was that there were only 5 speaker wiring pairs. I expected 6. As it turned out, two pair mated to the left / right dash speakers; two pair mated to the door subs; and the last pair drove both speakers behind the seats. This is odd and made me wonder if there is actually a subwoofer back there, especially with the large center mounted port and the fact that the visible speakers are very small. Has anyone else dealt with this configuration? Does anyone have a wiring diagram that matches this? The amp is marked as a Bose 996.645.333.05. I have searched for information without any luck. The pins are such that it appears to be a 5 way amp, but I would typically think that the single would drive a sub, but all the information that I have seen says that the door speakers are actually subs. My thoughts right now are to continue to treat the door speakers as subs. I am going to wire them in serial to get the impedance up. My understanding is that they are 2 ohms individually. I will drive the two dash speakers normally and then drive the rear speakers as a mono channel. Any experience and/or advice out there? Thanks
  3. I have a strange problem with a completely stock cdr-23 MOST audio system and I am not sure what to try to solve it. For a day or two after a rain, my driver's door woofer will pop when I open the door. I removed the door panel to see if the speaker was getting wet, but everything appears to be dry. I checked the amp, and everything appears OK there. Any suggestions?
  4. I have a strange problem with a completely stock cdr-23 MOST audio system and I am not sure what to try to solve it. For a day or two after a rain, my driver's door woofer will pop when I open the door. I removed the door panel to see if the speaker was getting wet, but everything appears to be dry. I checked the amp, and everything appears OK there. Any suggestions?
  5. Maybe somebody has this part from a mObridge kit sitting around that they never used? I'm looking for the part referred to as "MOST loop for bypassing existing CDC," that's included in some of the mObridge shipments. Based on my searches it sounds like I just need this part (or one like it) to reconnect my MOST ring. I had some spare time this weekend and decided to free up a bit of frunk space that was being wasted by a non-functioning (and no longer missed) CDC-4 multi-disk player. I got the the player out and pulled out the connectors - only to get the dreaded PCM: "SYSTEM ERROR! Amplifier, CD Changer not available" message. After a pulling the PCM fuses and seeing that a "re-discovery" wasn't going to clear things up I did a search and found this thread: <<http://forums.rennlist.com/rennforums/porsche-cayenne-forum/405546-system-error.html>> It sounds like my MOST was set up as a ring going through the CDC-4 (oh joy). It also sounds like what's "needed [is] to link the two fibres together to complete the loop. One was supplied with your mobridge unit. Whoever installed it did not know what they were doing. Call Scott at mObridge and ask his advice. Its an easy fix if you can find the part. it looks link a plastic ring with a connector at its root." Unfortunately, I didn't buy a mObridge (although I am considering it for fathers' day). Does anybody know the part # that I can order from Suncoast or pick up from my local P-dealer, or do I need to go 3rd party like mObridge? Does anyone have one sitting around that I can talk them out of or buy? Thanks in advance! DenVerSlube 2006 C4
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