Question about 1998 Cadillac DeVille

1 Answer

I replaced the battery and when I hooked it back up the alarm went off in the key wouldn't work to turn it off and now the car will not start or get any power at all ?

I did loosen the ground cable but I made sure it was tight when I put it all back together

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  • Cadillac Master
  • 40,854 Answers

Try using a scanner to reset the CPU program as removing the battery often corrupts the CPU program and alarm systems.

Posted on Apr 21, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

sleepygsx
  • 98 Answers

SOURCE: cadillac sts 1998 windows

is the security indicator illuminated? its on the dash

Posted on Sep 10, 2008

jonbrown725
  • 73 Answers

SOURCE: 1998 cad alarm no start

Your GM product has a safety alarm, it shuts down the radio , or locks it.
I send ours to a GM dealer to get it unlocked. They don't give those codes out.

Posted on Jan 15, 2009

  • 7353 Answers

SOURCE: Battery was dead and had to jump start and then

it will need it to be disconnected. have a shop or alarm shop disconnect it, wires may have to be spliced back together for everything to work properly, you cant just unplug it.

Posted on Oct 20, 2009

ftw1952
  • 10319 Answers

SOURCE: 2001 cadillac deville want start

Replace that relay for that is at fault

Posted on Jun 05, 2010

KingDWS
  • 1606 Answers

SOURCE: my radio in my 2004 dts will not turn on after battery went dead

You need to gete the radio security code and enter it in. Just call or drop by the dealer and theye can give you the code or enter it. Should be free but your dealer may vary. When you changed the battery and lost power the radio goes into a secure mode just in case it was stolen. The code should be about 4 digets long so its not a big thing to enter. its keyed to your vin number so the d ealer may want to see that as well as your registtration and maybe a drivers licence depending on how paranoid they are.

Posted on Aug 17, 2012

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1 Answer

The battery was changed on my car. after new one installed the alarm went off. the guy push the black button and turned the key. now the alarm wont work. how do i get it workind again? .


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