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Cadillac Seville / Cadillac Eldorado Forum Discussion, battery again?? in Past Cadillac Vehicle Discussion; No need to install a switch if you suspect the RAP system. The RAP fuse has two spades, but there ...
  1. #16
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: battery again??

    No need to install a switch if you suspect the RAP system. The RAP fuse has two spades, but there are three slots to plug it into. Pull the fuse and move it over one slot to disable the RAP system.

  2. #17
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    thank you for your reply. I cant see an RAP fuse for the amp. There must be one..The fuse I pulled was number 63 under the rear seat. Its a 30 amp fuse. it only has 2 slots. Sorry if I'm being dense.

  3. #18
    Ranger's Avatar
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    Re: battery again??

    Oops! I believe I was thinking of the auxiliary power out let fuse. Disregard, sorry.

    It still may be RAP system related though. Have you pulled the DTCs?

  4. #19
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    No I havent.
    I'm not sure how to do that (DTC stands for Diagnostic Trouble Codes?)
    I will have a serach to see if there is anyone near me who can help with this.
    Thank you for your help.

  5. #20
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: battery again??

    See teh DTC sticky at the top of the forum page. It will tell you how to pull the DTCs and decipher them. Then post them AND their definitions.

  6. #21
    automark is offline Cadillac Owners Member
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    Re: battery again??

    Hi,
    I'm not sure if Bose components sold to GM were the same as some other manufacturers, but Bose components such as:

    Audi's rear deck amplified speakers ( possibility of drawing power when off and sometimes even fire! )

    Acura's either amps or crossovers failing and burning

    BMW's trunk mounted amps coming on when they feel like it and draining battery power. ( especially 7 series, if I'm right ).

    So, in a knee jerk reaction to your post, consider the Bose equipment. I think the codes will probably start with AMP. Please do post up with what you find. I'd like to add your experience to my list of possible needs on my own STS.

    Thanks and regards,
    MSH

  7. #22
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    Ive spent ages this evening reading this forum. I seem to have lost the ability to send private messages. I cant see a DTC sticky at the top of the page ...or anywhere else and I'm feeling a bit silly now. Thank you for your patience. I will let you know how I get on. All I can say at the moment is pulling out the fuse 63 stops the power drain (Audio Amplifier). I have also noticed that the very large speaker (woofer?) at the rear window works intermittantly and now wonder if that's significant.
    kind rgds
    A J ..

  8. #23
    automark is offline Cadillac Owners Member
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    Re: battery again??

    I will then go a step further and say that it is the amplified rear speaker's amp ( if it is it's own ) or it is the main amp. Did you ever get the AMP codes showing on your Codes? ( You may need to shut down the session of IE and re-open CF in order to be able to see the sticky for it. )

    I wish you the best of luck, and am glad you found that pulling # 63 stops the drain.

    Best,
    MSH

  9. #24
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    Sorry. I sent the same post again by accident! Its late here! good night folks!

  10. #25
    Ranger's Avatar
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    Re: battery again??

    Quote Originally Posted by arthur jack View Post
    II cant see a DTC sticky at the top of the page ...or anywhere else and I'm feeling a bit silly now.
    kind rgds
    A J ..
    It's on the Forum page (where you went to post this thread originally).
    http://www.cadillacforums.com/forums...odes-dtcs.html

  11. #26
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    Found it! I am busy for the next couple of days. I'll let you know how I get on. Thank you so much for your help..
    A J

  12. #27
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    Well, I got the DTC codes and there were NO AMP codes!!. There were loads of other codes which I'll write after this. they were all (H)... There were also some U codes. The car has not been near a Cadillac dealer since 2005 so I would guess that these have been in existence for a long time. Otherwise annual servicing has been done by an independant with telephone contact to the ?one Cadillac agent that exists in England (Bauer Millet) Is there any nearer Plymouth, Devon does anyone know?
    ABS C1243
    ABS C1255
    DDM B1983
    DIM B1983
    IPC B1652
    IPC B1983
    IPM B1652
    IRC B1760
    IRC B1780
    IRC B1983
    PCM P0603
    PCM P1602
    RIM B1327
    RIM B1328
    SDM B1147
    SDM B1148
    SDM B1163
    SDM B1327
    VTD B1327
    MSM B1327
    MSM B1875
    MSM B2375
    TTM B1983
    RSS C1783
    RSS C1785

    For the time being, it seems that if I lock the car with the remote, the battery retains its charge. Apparently everything works. A warning lamp for loss of traction ABS and stability came on twice in the last two years and that coincided with both front wheel bearings failing. The warning lamps stopped coming on when the bearings were replaced.

    Thank you for all your help. I'm sorry if Ive wasted your time, but the Bose amplifier remains a mystery as does the intermittant fault on the woofer rear deck speaker

    Kind rgds
    Arthur Jack

  13. #28
    arthur jack is offline Cadillac Owners Member
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    Re: battery again??

    Further to the above. After a long period of fault free running, the battery went flat rapidly after sitting int he car playing a CD for a few minutes. the DTC codes were AMP 1327 and AMP1300 which indicate "device power is low" and "class 2 short to ground" respectively. So "Automark" you were almost certainly correct with your diagnosis and the Bose amplifier.
    All that remians now is how to fix the short I guess!

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