Question about 1999 Cadillac Eldorado
Battery not charging appears on info panel
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Posted on Jan 02, 2017
Most likely you need a new battery but do this first. Remove the battery ground connection and the positive connection. Clean them with soda water(coke is sticky but all sodas will work). Scrape or sand the inside of the cable connectors and the outside of the battery posts till they are shiny. A low battery light usually means it is not fully charged or taking a charge optimally but effective troubleshooting the battery and starting system starts with clean,secure connections and a fully charged battery. If your battery has electrolyte filling caps undo them and check the level. If they need topping off use distilled water only. Charge the battery with a car battery charger. It should read about 13.4 Volts under no load. Check and clean the battery negative cable connection to the block and the positive connection to the starter solenoid. Check for good connections to the charging output from the alternator. Inspect all wires for kinks, cracking, shorts, ect. A good once over will reveal probem wiring. Reinstall the battery and cables. Giv'er a crank and see if that is not stronger. Drive it for an hour or so and crank it again. Any noticable degradation in cranking power means you have a bad battery, alternator, diode pack if applicable, voltage reguator, or any combination of the three. Take your alternator and battery to your auto parts dealer. They will usually test them for free. Aslo, starters can wear after time but this is most likely not your problem based on the symptoms.
Posted on Jul 08, 2009
I have a 95 eldorado that is starting hard and idling rough. Also noticed gas pedal fluctuating. I have been told it is the Fuel Pressure Regulator. Does that sound reasonable?
Posted on Jul 09, 2010
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May 21, 2011 | 1999 Cadillac Eldorado
on Dec 07, 2009 | Cadillac Eldorado Cars & Trucks
Hello and welcome to FixYa!
If the battery light is on, I strongly suggest that you have
the battery charged. It can be an indication of a weak battery or a faulty
alternator. If the battery light still on after charging then the problem will
surely be on the alternator itself. If that's the case the alternator should be
replaced to resolve the problem.
If the battery won't hold charge even on a new alternator
then the problem will be on the battery itself. It surely is in the end of it's
service life and replacement will be necessary.
You may try to reset it to by removing the positive battery
connector, letting it sit for at least 5mins. then reconnect it again. This
will reset the system and can get the battery light off.
Hope this helps and thank you for using FixYa! Have a good one!
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