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What kind of battery do I need . I have a tv & sound system in my 1998 Cadillac deville

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A 78 series battery with at least 800 cold cranking amps. If you have a lot of electrical items, you might check into a larger amp alternator.

Posted on Nov 08, 2010

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1998 cadillac deville 4.6 no power for fuel pump fuse relay is working properly


It gets power from right hand maxi fuse block , Ignition 1 fuse, 40 amp. through ignition 1 relay.
1998 Cadillac DeVille ' DeVille, Eldorado (VIN E/K) Service Manual ' Body and Accessories ' Wiring Systems ' Component Locator ' Document ID: 519143
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Engine Compartment, Near the Left Strut Tower

Dec 16, 2014 | 1998 Cadillac DeVille

2 Answers

Do I need to remove the front bumper on my 1992 Cadillac Deville to chang parking light bulbs?


Kind of a silly question, removing a
bumper for a parking lamp

How about getting under it before you came here
& reach up & turn the lamp socket & pull it out &
check the bulb/lamp

Oct 31, 2014 | Cars & Trucks

1 Answer

1997 Cadillac DeVille, was not started for 2 Years and when I charged the battery the car would not crank. On the Dash It states "Theft System Problem" & the Remote dose not unlock or lock the


Sounds like the theft deterrent system (VCD module) is activated or faulty. If you are using the correct transponder key, you can try disconnecting the battery for several minutes and then reconnecting it - all systems in the car should reset. If they don't, you may have fried the VCD module when you charged the battery - a bit late, but a battery in a Cadillac should never be recharged while connected to the car.

Sep 24, 2014 | 1997 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

My alternator is good & my battery still gets drained


How old is the battery? I learned at Sears while working there in the battery department that the average life of car batteries is about 3 years. So, after that, batteries lose a significant amount of their performance CCA or cold cranking amps, and may have to be replaced on a pro rated basis after that period of time, on average.


I put a diehard platinum battery into my 1997 Cadillac Deville Limousine for about $189.99 plus tax and it has a 4 year replacement warranty due to bettery construction.

However, if you get Walmart's best Maxx battery, they have a 3 year replacement policy and they charge about $79.99. I put that into my 1990 Cadillac Deville.

Good luck on resolving the battery drain problem with a good alternator.

Dec 18, 2010 | 1998 Cadillac DeVille

1 Answer

I HAVE A 1998 CADILLAC DEVILLE THE A/C/ WENT OFF AND THE COMPRESSOR WENT OFF HOW DO I RESET BOTH..


OK, if the A/C system has been discharged of R134a for any length of time, the car may have to be reset by disconnecting the battery and reconnecting after a few minutes.

That's the way my 1990 Cadillac Deville is, as it's a safety measure for preventing low freon level operation of the compressor which can damage the compressor.

My 1997 Cadillac Deville Limo hasn't had any leakage issues, so I don't know if this would work on that late of a Cadillac.

After adding r134a to the low side, and if the compressor doesn't work, then this could very well be your problem.

Good luck on this repair.

Sep 16, 2010 | 1998 Cadillac DeVille

1 Answer

1998 Cadillac Deville makes a single tick when trying to start it, but it won't start


Sounds like low power. Could be loose or bad connections or a dying battery. If you can jump start it then probably the battery is bad. If you battery is good then the solenoid on the starter is bad.

Apr 30, 2010 | 1998 Cadillac DeVille

1 Answer

98 cadillac deville battery wont hold a charge


sounds like a 12V drain on the system, like a trunk or glove box light that won't shut off.> Could be many. many other reasons why. The way I would find the draining circuit would be to remove the neg cable of the battery. I then would connect a 12V test light between the neg battery TERMINAL and the neg battery CABLE. With a 12V drain the light will shine. I would install into the light a 9V battery powered recepticle to hold computer and radio station memory. Then I remove fuses 1 at a time, then reinstall, at the same time looking for the 12V light to go out. Hope this helps.

Apr 05, 2009 | 1998 Cadillac DeVille

2 Answers

Battery keeps dying in the middle of the night


have the alternator checked it could test good and still be bad but it can also drain the battery 9 times out of 10 its the alternator thats draining the battery

Feb 01, 2009 | 1998 Cadillac DeVille

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