Question about 1990 Cadillac Deville

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Problem starting i have a 1990 cadillac sedan de ville . it will not start by the switch all light come on in the dash but the starter will not kick over. But you can turn the switch on a jump the starter to grt it to turn over but will not stay running .

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Battery terminals like bad or corroded. Replace, and you should be fine.

Posted on Aug 27, 2008

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1 Answer

1995 Cadillac sedan de Ville seems to be lacking low end power starting out and at increased speed ??


catalytic converter fuel filter...ethanol destroys..
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Oct 14, 2013 | Cadillac Cars & Trucks

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I took the bulb out of the front turning signal socket in a 1990 cadillac sedan de ville and it appears to be good. There was a piece of metal(possibly the ground?) That was broken. Is this the...


You could use a test light or a bare piece of wire to act as a temp ground to find out. If it is a bad ground in the socket, the socket would need to be replaced.

May 12, 2013 | Cars & Trucks

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The right front turn signal does not work. The bulb appears to be good. The turning indicator blinks on and off. Even checked all fuses. What should I try next on a 1990 cadillac sedan de ville?


Rear signal works, just not the front one? This thing should have clear "turning lights" on both front fenders that come on when the headlights are on and the corresponding turn signal is activated. Do they come on? If so, your most common issue is probably a bad bulb socket or wiring. Easily obtained and replaced at a local auto parts store. If the turning light doesn't come on (and the bulb is good) then probably the multi-function switch in the steering column is the problem. Fairly easily obtained but more difficult to replace.

May 12, 2013 | Cars & Trucks

1 Answer

2005 caillac de ville starter clic- no start then saddenly starts and start every time.in 2-3 hours no start battery ok, continue clicking -start again ,we chenge 2 starters and battery


Check the ground from motor to frame and ground wire from battery to body. These sometimes become corroded and will give intermittent problems.

Jul 23, 2010 | 2005 Cadillac Deville

1 Answer

1994 Cadillac deville will start, but once key is released the car dies, No lights on dash and speedometer needle climbs then falls. You can maintain pressure on the ignition switch and the car will run...


replace the computer. 94 el dorado 94 seville 94 de ville computers are the same just make sure its the 4.9l motor u have . because the computer will make the car run real bad if u do not get the correct computer

Feb 01, 2010 | 1994 Cadillac DeVille

2 Answers

Have codea 12-19-30-41-52-91 f10-32 please help the car i have is a 1990 cad sedan de ville 4.5 engine


ECM Trouble Codes
12-Distributor signal fault
19-Fuel pump circuit fault (short)
30-Idle speed control (isc) motor rpm out of range
41-Camshaft position sensor (CMP) or circuit fault
52-Electric control module (ECM) reset
91-Park neutral position switch or coicuit fault

BCM Trouble Codes
10-Outside temperature sensor or circuit fault
32-Electronic control module (ECM) to Body control module (BCM) fault loss of communcation

Source: Haynes repair manual


Dec 11, 2009 | 1990 Cadillac Deville

1 Answer

1992 cadillac sedan de ville no electrical power anywhere in car


Check power connection by fuse panels under hood just below the center of windshield

Mar 12, 2009 | 1992 Cadillac DeVille

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