- #2 of 36
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99 STS Cadillac battery? or power?
by gabby7
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Jun 01, 2005 (8:23 am)
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My 99 STS Cadillac just quit with the dash lights and power windows. I could still drive the car. I got it home and it still started. I continued to start but later it wouldn't. It did not sound like a battery run down. Anyway, I couldn't even find the battery in this car and if it isn't the battery, could someone give me an idea of what it might be. HELLLPPPP!!!!!!
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- #3 of 36
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Re: 99 STS Cadillac battery? or power? [gabby7]
by sfey
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Jun 19, 2005 (4:02 pm)
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Replying to: gabby7 (Jun 01, 2005 8:23 am)
I have a 99 DeVille which was fine one minute and 5 minutes later it would not start. Turn the key on and the lights come on and the bell dings with the doors open, BUT, it you turn the key on OR just push on the brakes, everything goes off and there is a weird kind of knocking sound that appears to be coming from the speakers for a few seconds. There were no warning messages previously from the dash. Any ideas?/
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- #4 of 36
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Re: 99 STS Cadillac battery? or power? [gabby7]
by 1993caddysts
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May 18, 2006 (1:11 pm)
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Replying to: gabby7 (Jun 01, 2005 8:23 am)
Check the alternator, the electrical demand on these Caddy's is unbeilievable. If it is failing, you will get some pretty funky results. Put a voltmeter on the terminals while charging, near stuart up it should read around 14.3-14.4 depending on the temperature outside.
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- #5 of 36
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1999 STS - ABS CONSOLE LIGHT
by tscrane
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Sep 21, 2005 (7:02 am)
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The console light keeps coming on and ABS engaged. If you pull over, stop and restart the light & system will disengage. This happens very frequently. We've had the car to the dealer on several occasions and their response: "we don't know what the solution is". This is very annoying.. Help
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- #6 of 36
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1999 sts TRACTION CONTROL & ABS
by tscrane
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Sep 22, 2005 (6:24 am)
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Replying to: tscrane (Sep 21, 2005 7:02 am)
Further to my previous question. Both the Traction light and the ABS light come on "while driving". Traction control goes into effect and sometimes will automatically turn off after a minute or two and sometimes only when the car is stopped and restarted
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- #7 of 36
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Re: 1999 sts TRACTION CONTROL & ABS [tscrane]
by blkhemi
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Sep 22, 2005 (11:27 am)
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Replying to: tscrane (Sep 22, 2005 6:24 am)
Did your service suspension warning light come on also? Since you do have an STS, it has the road sensing suspension. In my previous 2000 STS, the abs, traction, and suspension light came on, resulting in me needing new shocks. In your case, you may also want to get your vehicle hooked up to a scan tool so it can read the trouble codes computer is throwing out. It could be something as minute as a non-working sensor. Also get your brakes and brake fluid checked. Low fluid in the resevoir can result in the abs light being flashed. Does your traction light go out when you depress the button?
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- #8 of 36
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Re: 1999 sts TRACTION CONTROL & ABS [blkhemi]
by tscrane
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Sep 23, 2005 (3:22 pm)
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Replying to: blkhemi (Sep 22, 2005 11:27 am)
We've been having this problem since late 2003. The dealer did diagnosis and ended up removing and replacing 3rd brake light at a cost of $535.94. What a ripe off. Well we have driven the car a total of 7,000 miles since then and we still have the problem. We appreciate your help and will try your suggestions. Will let you know results.
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- #9 of 36
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Re: 1999 sts TRACTION CONTROL & ABS [blkhemi]
by hippiejoe
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Nov 08, 2005 (10:15 pm)
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Replying to: blkhemi (Sep 22, 2005 11:27 am)
I am having this same problem and afraid of getting taken at the dealership. 2000 STS with 100k. The stability warning comes on and the abs and traction control light up. I have to hit something rough like a good jarring from a railroad track. It is a little noisey going down some uneven country roads, but doesn't always set off the computer. Once the warning is on it stays on till the car is restarted. Then it will take another jolt to get the message again. I can go days without it coming on. I just bought the car and noticed from the shroud that it has been hung up on something so I suspect it could be as simple as a connection. Does anybody have costs of what they have spent on repairs that might be involved should I not be able to figure it out. Any suggestions on a list of what to check would be great as this my first caddy and more involved than I imagined.
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- #10 of 36
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Re: 1999 sts TRACTION CONTROL & ABS [hippiejoe]
by herheart
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Nov 22, 2005 (9:37 am)
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Replying to: hippiejoe (Nov 08, 2005 10:15 pm)
I have this same problem with my 98 Eldorado. Traction Control light, ABS light, and Service Stability System warning, all come on intermitently while driving. The dealer where we bought the car said the problem was passenger side hub assembly and replaced it. Same problem started again after driving for about a month. Took the car to our regular mechanic recently and he traced the problem to the EBCM. Estimate from our mechanic to fix this is approx $800.
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