1991 Cadillac Deville car not starting

Tiny
RIVERWAYLADY
  • MEMBER
  • 1991 CADILLAC DEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 16,000 MILES
When turning key to start car all th elights come on fuel pump runs, but it wont start not even a little try. It had been acting funny for a couple of weeks then wouldnt start at all. Change the starter still nothing? My key has a computer chip on it could that possible be the proplem? It runs really good catilliac conver is bad but everything else seems to be ok. It has 160,000 miles on it hope its not major Thank You
Thursday, April 2nd, 2009 AT 7:36 AM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, if your saying the starter won't crank, check the basics. Make sure the battery has a full charge, the cables/wires clean and tight on both ends.

Have you tried cranking in neutral? The purple wire at the starter solenoid should be hot, with the key in he crank position.
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Thursday, April 2nd, 2009 AT 8:25 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
What does your 'security' light do when key is in crank. If it stays on solid, you have a theft problem which is most likely related to the chip in the key. Highest probability at this point, is the ignition cylinder. The leads from the contacts, that read the key resistor, break at the cylinder.
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Thursday, April 2nd, 2009 AT 9:28 PM

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