Question about 1990 Cadillac Deville

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The cadillac deville started acting funny the panel light was flashing it make a funny noise like something dying but i gave it some gas and it went on but at the gas station i have to get a jump off I hand alternator check the guy said was fine so i brought a new battery and a new starter it still want start when I turn the switch to start it want say nothing but my head light come on and everything please help me tell me what's wrong

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  • Cadillac Master
  • 1,871 Answers

Hello! I am here to help...First, do you own a volt meter? I'll talk you through a little testing if you do...If not, when you turn the key to start do you hear a "click"; Or dead silence?

Send a comment....Guru.............Saailer


I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

Posted on Aug 08, 2010

  • 4 more comments 
  • dgraclan431 Aug 08, 2010

    dead silence nothing

  • dgraclan431 Aug 08, 2010

    it did make like a little cluck cluck sound very low I forget have to think for a min.

  • David Burbee
    David Burbee Aug 08, 2010

    Hello! Check fuse #17 (15A) located in the inside fuse block...When you turn the key to ACC does the radio, dash lights.......etc...work normally? If the fuse is OK...And all other lights, radio work...I suspect the Starter Enable Relay is at fault...I can not confirm this 100% without testing...However, it looks like the bad guy...AC Delco part #12088594 Cost ; Around $15...It is located under the dash on the left side of the steering column...WAY up in there...it is above the flasher relay...Turn on the flashers and follow the clicking...Before you go and buy that relay...Have you had trouble with the passkey alarm system? If the alarm is set the car won't start...Let me know how you make out............Saailer


  • David Burbee
    David Burbee Aug 08, 2010

    Hello! Just got the message that you do hear a clicking when you turn the key to start...This is very important...Check to be sure...On/off...several times...Do you hear a click? Saailer

  • dgraclan431 Aug 08, 2010

    It's my mom car the guy she brought it from replace the ignition switch and he had to go to cadillac dealer to get a new passkey do you think it might have gone bad again

  • David Burbee
    David Burbee Aug 08, 2010

    Hello! I doubt that the passkey system is at fault since it was recently changed...Need to know if fuse #17 is good...If the fuse is good; Replace the relay...........Keep me posted............Saailer

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