Question about 1991 Cadillac DeVille

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Key switch is bad. car won't start. mechanic cant fix it. what do I do? 92 coupe deville

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Reprogram your ignition swith this can be done by an auto locksmith or cadillac dealer

Posted on Sep 13, 2008

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Car won't start without a jump but battery okay


wont crank or wont start.??
no car starts , if it cant crank. (unless push starter (M/T magic)
that is not a trans sensor its the PRN switch.
ill answer for, wont CRANK !
it wont crank even with a good battery (charged) or jump started.
1: bad start
2: bad wires to same.
so hot wire the starter small wire, the key start line is tiny.
cranks. , starter good, no crank starter bad or cables bad.
if it cranks hot wired, then the key line is dead.
easy, huh?

Feb 11, 2013 | Suzuki Forenza Cars & Trucks

2 Answers

97 cadillac deville


you either have a bad key...did you try more than one key?
Two other things can be wrong..
1) the igintion cylnder (where ya put the key in) has samll wires that sense the pellet in the keys for your car, and often they break, and the cylnder has to be replaced.
2) the passkey module has gone bad.
Either of these problems can be fixed by any compatent mechanic that has cadillac experience.

Aug 27, 2009 | 1996 Cadillac DeVille

1 Answer

92 cadillac deville that will not start.


It sounds like your batery is empty.
Or maybe your start rotor is a bit stuck.
if so give it a hit with a rubber hammer that can help loosen it.

Jul 11, 2009 | 1992 Cadillac DeVille

1 Answer

92 sedan deville 4.9 engine will not start from the steering col


SOUNDS LIKE THE NEUTRAL SAFETY SWITCH HAS FAILED. IF I RECALL CORRECTLY THERE IS A SWITCH LOCATED ON THE TOP OF THE STEERING COLUMN THAT IS ACTUATED BY A ROD ON THE KEY SWITCH. IT HAS TWO BOLTS HOLDING IT IN PLACE. IT ALSO HAS TWO MULTI-WIRE PLUGS FEEDING IT. TO ACCESS THIS YOU NEED TO UNBOLT THE COLUMN ON THE BOTTOM OF THE DASHBOARD. IT IS NOT THE EASIEST TO REACH. HOPE THIS HELPS. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA

May 18, 2009 | 1992 Cadillac DeVille

1 Answer

Locked steering wheel


Sounds like the rack is broken inside steering column. This happened to me while getting tires replaced at pep-boys. Try moving the tilt wheel up and down while turning key.

May 10, 2009 | Chevrolet Suburban 1500 Cars & Trucks

1 Answer

Coolant fans on a 92 coupe deville


You checked the fuses, that's a good place to start. Usually electric fans are powered up using a relay. It's likely that each fan has it's own individual relay so it's strange that niether fan works. Is the engine overheating? Try turning on the air conditioner after starting the engine. One of the two fans should definitely turn on immediately after switching on the A/C. If so, then the other fan, which would be controled by the temp sensor circuit, might be bad. Before replacing anything you may want to check the temperature sensor is working properly. The relay(s) are probably located in the engine compartment usually near the firewall. Hope this is helpful, if so, please remember to rate my response. Thanks.

Mar 03, 2009 | 1992 Cadillac DeVille

2 Answers

92 cadi coupe deville won't start sometimes


the first one is your security light on?

Sep 04, 2008 | 1992 Cadillac DeVille

1 Answer

92 Cadi Deville won't start


Turned out to be the electronic ignition switch...fortunately an inexpensive fix.

Jul 15, 2008 | 1992 Cadillac DeVille

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