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Anonymous Posted on Mar 14, 2017

94 cadillac deville...car will not start or turn over because the security light blinks on and off. had a new key made at the dealer and performed the relearn procedure..I put the key in the RUN position for longer than 10 minutes waiting for the light to go off but no luck...Had the light gone off, I would of switched it to the off position then to the RUN position for two more times...However, as I said, the security light kept blinking..The dash reads, "starting disabled due to theft system...take key out of ignition". Once I do this, it says to wait 3 minutes...After 3 minutes, it says to start the car...When I attempt to start the car, NOTHING.....It goes back to the first message, "starting disabled due to theft system". Any suggestions? I read a post about matching up the resistance with the key but I may want to use that as a last resort.

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Vernon Taylor

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  • Cadillac Master 7,446 Answers
  • Posted on Mar 14, 2017
 Vernon Taylor
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As the prescribed method isn't working it would seem likely the antitheft system is broken and should be checked by a professional.

Electronics aren't bulletproof and at over 20 years old the ones fitted to your car are 20 years less robust and 20 years less sophisticated and easily damaged by such things as welding, battery charging, jump starting or even nearby lightning strikes. Such instances often do not cause obvious damage immediately but rather have a weakening effect so the final breakdown happens later, maybe years later.

3 Related Answers

Anonymous

  • 362 Answers
  • Posted on Jul 03, 2008

SOURCE: anti theft 1997 malibu

most are 4 ohm can be checked by putting a resistor in the wire and if the car starts thats the right resistance if 4 ohm dont try a variety os sizes until it does

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Anonymous

  • 957 Answers
  • Posted on Jun 18, 2009

SOURCE: 94 Cadillac DeVille: Car would only run for 20

When the car has the crank/no start, at that point see which is missing. Test for fuel and spark. I think it has to do with fuel, a tired fuel pump or relay. But remember to check the oil sending unit. If it fails it will shut down the fuel system.

roniecon

Ronny Bennett Sr.

  • 6988 Answers
  • Posted on May 19, 2010

SOURCE: 94 cadillac deville.. car will not start because

Try setting the alarm ,and make sure the hood doors and trunk are closed,after setting the antitheft,leave it for 1 minute and disarm it,then see if it will start,if it is not the antitheft,and it is in the key fob,the cylinder you are talking about maybe the problem.

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I have a 1992 cadillac deville coupe. it as gas, new battery, good starter, and i checked all fuses under hood and inside the car but the car wont start unless i get a screwdriver and hit the two bolts...

i dont have a whole lot of expierience with those. i do know that there is a security sensor in the key. when the key wears down it wont even crank. you have to get new ones from a dealer
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94 cadillac deville.. car will not start because security light is blinking...already tried a new key and the 30 minute relearn procedure with no luck....is there a way to bypass this ? and how? im...

Try setting the alarm ,and make sure the hood doors and trunk are closed,after setting the antitheft,leave it for 1 minute and disarm it,then see if it will start,if it is not the antitheft,and it is in the key fob,the cylinder you are talking about maybe the problem.
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My 2000 cadillac deville will only start sometimes, the mechanic has replaced censors, starters, etc. now he thinks its the key or the security system, i went and got a new key but it sill wont start, what...

if it truly is a key issue and you got a new key you still need the key programmed with the computer

sounds to me like you need a new tech

you should find the right answer the FIRST time at your caddy dealer!!!

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u can't just clip the wire however you can install a resistor that equals the value of the key into the anti-theft module to bypass it.
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When I start my 1994 Cadillac Sedan Deville, The security signal comes and ''Wait for 3 Min'' message come. And car don't start . Please help

Replace the ign. lock cylinder and chip key to fix it. The tiny wires to the lock cylinder have broken that ore part of the cylinder. Common problem.
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I had that same problem and it took me forever to figure out what was wrong. You are probably using an aftermarket key as was I. The stupid little plastic/metal chip in the shaft of the key is for the security system. Sometimes if you insert the key and turn too fast it sets off the security system. To solve the problem go get another key made from a different key maker, they cost around $15-20. Or, insert the key slowly and turn the ignition slowly. Or go get a good key from the dealer, I've heard it may be ~$50 for this key but it should work the best. FYI I still just use my aftermarket key and just deal with the occasional no start wait 3 min ordeal. Good luck.
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each key must bee programmed to the anti theft defice for the car to operate properly dealer must do this
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