brmurph

I have had a couple of dorman compressors, neither of them lasted more then a few months and their catalog was wrong for the 98 Deville. So far I have still been able to get OEM compressors for both the 98 and 2004. For the 2004 Deville I bought a compressor for the 2006 + DTS as they are still available. The compressor was the same as the 2004 but I did have to modify the electrical plug, can't remember if I switched out the end with the 2004 or if I just had to switch a couple of wires (I think the latter is correct), it also came with the airlines that worked fine for the 2004.

The windshield is installed, I haven't driven the vehicle yet so don't know if there will be any additional wind noise or what not. We did not lift the top, what we did was use a universal top molding that is shorter and more flexible then the factory molding (apparently the top molding is just for aesthetics and maybe wind noise :-). So far I am happy with the install and will update this thread if I run into any issues. Right now I really feel I found the best installer (went with a one man franchise) as he was the only one that took the time to find a windshield for my Night Vision car and then took 5 hours to do the install on top of spending probably 3 hours for the first visit at which time we slowed things down because of the top. Very happy with the customer service. It will be interesting to hear what your glass shop has to say if you still pursue that. If I don't update this thread that means all went well :-).

Not much, that being said we are going to pull the glass out on Monday and see if that helps us make the correct decision. Part of his concern is when he lays the bead it is put down in a V pattern (pretty much industry standard anymore it seems) which makes the bead fairly tall and concerned that will get in the way of getting the top mounding under the top without making a mess or possible leaks. I probably called 10 shops all across the country and the only place that seems to have any knowledge was stitches auto tops in Houston Tx. He said he has a great glass guy and of course are familiar with tops. This is the only shop I could find with knowledge on both but even he said the top might have to be lifted. It’s almost as though carriage tops never existed, strange how times change and quick. That being said you still see a bunch of Devilles with tops out on the road.

That’s the 98 concours. I know you like that body style better and to be honest so do I. There is a somewhat better of a pic from this thread (green one in back).

Here is some pic of the top/windshield.

Yes it has rain sense and every other option including night vision. It took me over a year just to find the windshield. The good news is the Mobil installer has been very nice, patient and willing to learn. I’ll send a pic soon as I can (vehicle in different location). Seems like years ago there was a lot of people with experience with these tops on these forums, today not so much 😞. It is an eg classics top and they just shut down the business at the end of last year so no help there. Thanks.

I am having issues getting the windshield replaced on my 2004 Deville with a EG Classics full top. The person replacing the windshield isn't too familiar with carriage tops and doesn’t believe he can do it correctly without having someone remove (actually lift) the top. We found a top shop that will lift the top up high enough for the glass replacement for about $500.00 ( estimate just for the top ). I have since found a glass shop that says he can do it without lifting up the top by using a universal top molding instead of the gm factory molding. He claims he has done it before and won’t be a problem. I think I am tempted to let him do the work as lifting the top seems insane to me (I can’t believe they would make a top that gets in the way of a window replacement).any thoughts or knowledge? Thanks in advance.

Rockfangd any idea how long you can safely go without killing the battery when in storage mode? Without storage mode I can only go about 3-4 weeks before the battery is completely dead. I am trying to decide if I should risk trying storage mode again :-).

rockfangd you were right, it was the head unit. I removed radio pn 16266916 and installed pn 09354796. I bought 09354796 on ebay back when you did the write up thread mentioned above (supposedly a rebuilt unit, it looks brand new). The interesting thing is I have been waiting all this time to replace it because I thought I needed a tech 2 to program the VIN but turned out that was not needed as the unit came unlocked (didn't know that was possible until your post above, live and learn). Here is a quote from your original thread "the number for the 98 Concours should be 16266916, 09354796 either number will work. The later is the newest number for the unit." again you were apparently right. The reason I bought this head unit originally was because the tape deck quit working, once FM quit working I had to replace it. I know I am probably the only one that still listens to cassettes but anyone else have tapes they recorded from early 80's that still work and sound like new (and I live in Texas and keep the tapes in the car all summer :-)? Can't beat those old Maxell ud xl 2 90 minute tapes. Thanks guys for all the help!

Pretty sure the head unit is 09354796, at least that is the extra head unit I bought to replace it so I hope so (probably based on that thread you had me search). My dealer who I have been going to since 2002 has become way too expensive for me, they charge a minimum of $180.00 just to hook up a scan tool (regardless if they fix anything or not). I am looking at a scan tool that will do what the tech 2 will do but as of yet have not pulled the trigger on anything. Which Scantool did you use to program yours? To be honest I am not sure if the battery went dead or not while in storage mode, it was only in that mode for a few days but it took hours to charge the battery after that (kind of surprised me), I think it was just low and not dead but not 100% sure. Yes the signal is so low you can hardly make out what they are saying or what song is playing, if I was actually going down the road you probably couldn't hear it at all. Aside from a connection issue (which it could be) would you agree it either has to be the head unit or the amplifier? Is there anything else that could be a possibility? Glad to hear storage mode does work for some :-).. Thanks!

This is on my 98 Concours, everything works just fine (CD, AM, etc) except for FM radio (and maybe the weather channel as well). If I turn the volume up all they way I can hear the signal (barely). One thing to note is that I recently tried the "storage mode" via the DIC (probably the first time its ever been turned on), when I turned off the storage mode very strange things happened temporarily. I don't really remember what all happened but seems to me the dash went a little crazy and the radio quit working, luckly things started working again until about a week later when the FM quit working correctly. I have since tried the storage mode and no issues (except FM signal still doesn't work correctly). I have disconnected the battery a few times and touched the terminals together but so far no help there. I do have another head unit but as we know It needs the VIN programed and as of now i have no way to do that. any thoughts? Thanks in advanced.

Just installed the used EBTCM today, so far it fixed all my problems :-). No more C1255 code, 1st gear works again and Magnasteer is working again. Lets hope its not temporary, I will update the thread if any issues, so far very happy, just plug and play! Thanks for the help.

I think your right. I did see somewhere that the magnasteer might need to be recalibrated but most said it is not that critical, which is good because I have no idea how to do that. . I think the difference between the deville and Concours is the stabilitrak and CVRSS. Once replaced I have a feeling either the C1241 (Magnasteer Malfunction) code will come back or I'll fry my replacement EBTCM :-). Thanks.

Yeah I have tried to reconnect a few times, I have also tried to clean it with electrical cleaner. I even had the dealer take a look at it, they said replace the EBTCM. I really wanted them to try to reset it with a tech 2 as I have heard some times that will work where the on board won't. Turns out they no longer have tech 2's at the dealer, just a laptop with the emulators :-(. Yes the code comes back immediately. I am really hoping I can just plug in this used EBTCM and it will work but can't imaging I will get that lucky. Oh and apparently this EBTCM can't be rebuilt and there are no new ones available anymore. Since it is a Concours there can't be too many out there (found this one on car-parts.com

I hade a code of C1241 (Magnasteer Malfunction) for a long time, this disabled the magnasteer but really didn't cause any other issue (still drivable). Then after replacing the battery the C1241 went away and C1255 (EBTCM internal malfunction) showed up and has been there since (car still drives fine but still no Magnasteer and probably no Anti lock brakes). Anyway I am replacing the EBTCM with an exact replacement (used same PN out of another 98 Concours), will I need to reprogram the EBTCM or should this just be plug and play?Thanks in advance.