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PigNib

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About PigNib

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  • From
    Little Rock, AR
  • Present cars
    2005 Porsche Cayenne
  1. 2005 955 S w/~127K I recently replaced my coil packs (my first time this deep in to this car) which ended up being a great idea as it solved a very odd electrical problem (different thread) but whoever replaced the plugs last used a pneumatic driver or something to screw the bolts in to the head that hold down the coil packs. One of the studs was cross threaded, two more somewhat cross-threaded, and one of the studs was broken off flush with the head. Idiot! It wasn't me... i swear. Funny thing is I have been riding around with it like this for a year or so... with not
  2. Success!!!!!!!!! ? !!!! After replacing the coil packs I have been unable to recreate this problem! I've been able to recreate the problem 90% of the time and have experienced it probably 200 times but it happened almost 100% of the time in Summer. I've driven the car 8 times after replacing the coil packs and have not been able to get the charge/alt warning light to re-appear, even when putting the hot car in gear immediately after starting... the method i could get it to stick at 12v for a LONG time... (up to 40 minutes) and no A/C during that time.
  3. My local Porsche mechanic has a Durametic and pay$ monthly to Porsche for it. I'm scheduled to have him do some coding for the factory tow module (ebay) I installed that appears to be set for Europe (separate, but not uncommon problem) and I'll ask him about it. I brought up this problem before to him but it stumped him and he is assuming it is a alternator replacement job (although he didn't like/think that sounded right). I haven't given up on this.. just have bigger fish to fry to prep for a big trip towing a new camper later this month across the country. This pr
  4. I had a leaking radiator overflow reservoir to replace this weekend. Job went fine until the very last step, clamping down the headlight. Ended up breaking the headlight bracket ;< To the point: I spent another hour or so locating the module which is exactly where you thought it was. The bracket that holds it uses clips and one bolt to hold it to the frame. Of course the bolt is in the one corner I can't get to without removing the lower dash. I spent most of the time trying to remove the plastic lug that holds the ignition.. Everyone says it just takes a fl
  5. There! Notice your diagram's part 15 is the same as where my diagram's parts 11 & 12 (relay terminals) fit. The website shows all the relays in 11 and 13.... relays in 13 are mostly show in the screncap... servotronic, rear lid lock, air suspension relay, fuel filler flap, etc. You would think you could find a document showing the location of those but I've watched tons of videos and watched lots of websites with diagrams that seem to show all fuse boxes and relays EXCEPT for those..
  6. Getting closer! Using the website you used (good resource!) I found another diagram that shows the same carrier part for the control unit attached to these relays. Unfortunately with all my searching and knowing what relays are next to the control unit i STILL can't find out where it is yet. I guess these relays don't need to be replaced often. I'll keep looking... as soon as i know i can get to the control unit I'll buy a replacement and try it. SURELY if there are relays near by it can't be THAT hard to access. Thanks for helping even though you do
  7. Wow this is the first I’ve seen that suggested. I’ve read a half dozen or so people on various boards having what appears to be the same problem. Several times the battery and alternator were not the root cause. A couple just cut the exciter wire to force it to always charge. This part is $550 new but can be had for $30-50 on eBay. That tells me not many people replace the part or need one which IMO reinforces the theory that may be it. I usually think of cold being a problem with circuits (solder joints) but heat could do that too or maybe skew a discrete part like a resistor or capac
  8. Sending this duplicate response from similar one on rennlist: Joining this thread not to hijack it but hope to help. I have these exact problems/symptoms. I wish i remembered exactly when it started and what was done before/after. I’ve had this problem for over a year. It seemed to first surface last summer ( we get hot ones in Arkansas ). I had a starter problem ?before? This happened and had that replaced after replacing the battery first (it was old and was hoping that was all it was. I’ve also had headlight problems ( I have xeon) flickering and going out because of the known problem o
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