A few days ago my Cadi just would'nt start when I got ready to go home not a sign at all no warning lights,just won't start not a sound,please help!!
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1999 Cadillac DeVille Question: Starting issue
Answer #1patrick mannion from Greg Solow's Engine Room, June 18, 2009, 11:26Master
It sounds like the battery is dead. Try jump starting the car from another car or using a "jumper box". With another battery hooked up to the car turn on the ignition key and see if the lights and ignition light on dash come on, if so allow the second vehicle with the jumper cables hooked up to it run for a few minutes to partially charge your battery and then try to start your car. If it then starts charge and test your battery and check the charging system and or check to see that no electrical loads were left on that could have run down your battery.
Check your battery connections at the battery posts to ensure they are clean and secure.