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Cadillac deville 2004 alternator voltage - Cars & Trucks

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Alternator voltage will be around 13.5v at idle up to a maximum of 14.8v at 2.000rpm. It may go to 15v but at that there is a risk of boiling the battery and killing it.

Posted on Oct 11, 2013


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Posted on Jan 02, 2017

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SOURCE: i own a 1999 cadillac deville; my alternator belt is squeeking...

how i install the belt on 1999 cadillac sevill alternator

Posted on Mar 31, 2009

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SOURCE: alternator installation

2.5 to 3 hours labor depending on if it is a water cooled alternator or not. Good Luck

Posted on May 16, 2009

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SOURCE: where is alternator located on

The alternator will be located in the front of the engine on the drivers side. To replace it you must loosen the idler pulley and remove the serpintine belt, once the belt is off you must unhook any wires goin to the alternater and then there are two bolts at the bottom of the alternater holding it in place. Remove those and the alternater is loose then it may take some jockying back and forth to get it out. Obviously at this point the new one can go in the same way the old one came out.

Posted on Apr 13, 2011

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04 cadillac Deville base model code ipm b1327

Indicates a low system voltage (below 9 volts) - battery is probably not charging or failing. Check the voltage directly at the battery and if OK, use a battery load checker to confirm it doesn't have a plate problem. If not OK, try replacing the battery; if OK check for other codes.

Mar 08, 2017 | 2004 Cadillac Deville

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Deville troubleshooting

Sounds like an alternator problem...or voltage regulator inside the alternator

Sep 08, 2014 | 2000 Cadillac DeVille

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Replaced battery and installed a remanned alternator, volt meter reads a range of charge and discharge randomly(14.2-14.9volts) with occasional stall, engine restart no problem, however, the problem...

The voltage for the alternator appears to be in the range expected of a good alternator. Have the fault codes read and look for an ignition sensor that is not working correctly as it sounds like a loose connection or failing coil.

Sep 29, 2013 | 2004 Cadillac Deville

1 Answer

2005 cadillac deville shuts off when turn on headlights

not sure but sounds like you have a battery or alternator problem take to a auto parts store they will test it for free

Sep 19, 2012 | 2004 Cadillac Deville

1 Answer

How do i reset the service charging system message on my 99 cadillac deville?

You could have a faulty alternator. There is no reset procedure. What is your voltage reading?

Jan 29, 2012 | 1999 Cadillac DeVille

2 Answers

Will my 2004 cadillac deville start with 11.5 volts

Just not quite enough voltage there. You need to charge it up.
If the car was at normal operating temperature, that might just be enough to start it-but it's iffy.
Good luck. Thanks for using FixYa.

Nov 30, 2011 | 2004 Cadillac Deville

1 Answer

I have a 1998 Cadillac Deville. I replaced the battery, and alternator. Its still not charging properly. The service charging system light is on on the dash. Can you tell me what else could be wrong?

Sounds like a faulty voltage regulator to me.Start the car and take a multimeter and check voltage coming out of the alternator it should be 14-14.6 volts if its not within these specs take alternator back and get a new one.

May 15, 2011 | 1998 Cadillac DeVille

1 Answer

Need tips on installing battery in 2004 Cadilac Deville

FIRST MAKE SURE THE BATTERY HAS A FULL CHARGE !! IF NOT YOU WILL BE ASKING HOW TO REPLACE THE ALTERNATOR ! IT MAY BE BEST TO HAVE SAY PEPBOYS DO IT.. I KNOW YOU DON'T WANT TO HEAR IT BUT .. REMEMBER (ALTERNATOR) $$$$ a low battery can overwork your ALTERNATOR and burn it up ! after you have installed the battery check the power should be about 15 volts . did i help hit feedback +

Feb 16, 2010 | 2004 Cadillac Deville

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