Question about 1993 Cadillac DeVille

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Cadillac wont start,and ign. wires for passkey II are broke. I tried to by pass ign. & jump conn. wires but it still wont start. replaced;starter,shift sensor,&checked all fuses & relays seem to be working. Also tried to jump starter,it runs for a sec. & dies. the manual says wait 3 min.s it doesnt work.

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If you try to jump the ignition start and wont work, then I suggest re-wiring the wires broke; check this wiring diagram: Cadillac Deville 1990-1993

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Posted on Dec 29, 2010

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I have a 2004 cadillac cts and bought a new battery and will not start . I tried to jump start it from the relay switch and it wont start. Is it the starter?


Do you own a voltmeter ? Do you know how to use one ?
Starter Voltage Drop Could be the battery cable's Do you know what voltage drop is ? Which pin's did you try to do your jump start from ? 30 & 87 ? Where the relay plugs into right ? Is there B+ voltage at the starter fuse 30 amp .

May 06, 2017 | Cadillac Cars & Trucks

1 Answer

I have a 03 cts cadillac and I replaced the battery and now it won't start


Check your connections. Is batt in rear or front? If batt in rear may be an jump start terminal in eng compartment. Try a batt box jump from there. If nothing, conns/main fuse check should be next.

Apr 01, 2016 | Cadillac Cars & Trucks

1 Answer

Everything lights up but wont crank the engine ovet


The way to start is to ck your battery for 12V & clean bat terminals. Ck the ignition fuse &locate & ck the starter relay for power & ground. Jump the relay between the 2 conn (pwr/grd) See if you start.. Key on If OK r/r relay, If it doesn't work, follow the RED wire to the starter & ck for 12V there. Also ck for a good ground conn at the starter (both with good readings & clean conn. If all is well there when someone else is turning the ignition key to start, then the starter is NG If readings at the starter NG, relocate the starter relay. Good luck, Frank M

Feb 28, 2016 | Cars & Trucks

1 Answer

BYPASS PASSKEY 3 IN 05 CADILLAC DEVILLE


WELL,now you can go get a new transponder and key and keyfob,have fun,its gonna cost ya,go to your dealer

May 16, 2015 | 2005 Cadillac Deville

1 Answer

Hi iam having an electrical problem after jump starting car at first i put the jump cables wrong way round !! then corrected error started car ok but had a fuse burn smell ! sho checked everything and...


check all positive wires coming from battery sounds like you melted one and it's touching something it shouldnt, Thats what u smelled, clean and tape damaged wire(electrical tape) check wires behind fuse block also

Aug 30, 2011 | Hyundai Excel Cars & Trucks

1 Answer

After replacing battirs anti theft system wanted let car start it just turn over


Most likely ign lock assy has broken wires in the steering column. It wont read resist on key. The wires are very small and tend to break from the ign lock being turn off and on.

Nov 21, 2010 | 1998 Cadillac DeVille

1 Answer

I have an automatic starter on a 1995 buick riviera and the car wouldn't start with the key but would start with the automatic starter now it cuts off as soon as it starts


sounds like a bad wire connection see they hook that up through the same ign wires the key uses to start it i would pull the auto start module and check for bad conn and on the key not starting it could be a couple of things 1 as explained before bad conn 2 a bad ign switch at the keyswitch

May 10, 2010 | 1995 Buick Riviera

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

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