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94 Seville; 95 FWB; 07 DTS
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657 Posts
Discussion Starter #1
Please point me in the right direction. '94 SLS. Car won't start. I've checked the codes and none were stored. DIC reads 12.0 volts. When I turn the key nothing happens. All of the indicators in the IPC lights up as they are supposed to. Tried to jumpstart, this did not help.

Not sure if the key/lock cylinder has anything to do with it, because last week the key was stuck in the cylinder and refused to move preventing me from switching off. I was forced to kill the engine by pulling the fuel fuse. I lubed the keyway and coaxed the key back with the help of some needle nosed pliers. Since then, I have been thinking about replacing the lock cylinder. But now I am wondering if this is my problem?
 

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'03 STS 122K, '01 STS 161K - 3/3/11
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671 Posts
I have no idea, and I don't know how much a new cylinder is, but with your little problem the other day, that's the first thing I would replace.
 

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1997 SLS
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550 Posts
I recently got a quote from a locksmith who works on Cadillacs that a new ignition tumbler with labor is between $400 and $500. The steering wheel needs to be removed along with the turn signal assembly to get at the tumbler. How has the current tumbler been acting? You didn't get any "theft deterrent" messages? Have you tried starting the car in neutral?
 

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Registered
94 Seville; 95 FWB; 07 DTS
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657 Posts
Discussion Starter #4
I had previously bypassed the VATS and had no problems until recently with the key deal. Since having to force the key back. To start the car, after inserting the key I had the push in towards the steering column and then turn to start.

With the present problem it seems as if the key is not turning all the way between the RUN and START positions.
 

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1997 SLS
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550 Posts
It sounds like something has jammed or is broken in the ignition tumbler preventing the contact points to the SER (starter enable relay).
 
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