Question about 1999 Ford Taurus
On my car if I don't drive it every day the battery goes dead to the point that you can not recharge it. I put in a battery disconnect so that if I'm not going to drive it I turn the knob and my battery doesn't go dead. I've put in 3 batteries
Yes, possible something is drawing current when it should not. With everything off, car not running, ignition in off postion, key out of car: Test: Disconnect / loosen bolt and slide off the negative terminal from battery post and place an AMP METER in series between negative battery post and the negative battery wire you just disconnected. You are trying to see if there is any leakage current being drawn when all is "OFF" and how much that is. It should be very very small or practically nothing. Like no more than a few milliamps if anything at all. You can use the current setting of a Digital Meter. I figure if you read more than a few milliamps with all OFF - that is too much.
THE OTHER POSSIBILITY - is you have a problem with your alternator, and it is overcharging the battery when you drive. Driving too much voltage into the battery or not regulating the charging of the battery properly - not ramping down charge properly as the battery reaches full charge. That could KILL batteries one after the other - as you drive. Real solution there is to have the charging system of your car checked by an expert. POSSIBLE - charging problem / regulator problem / alternator problem (overcharging while driving or not proper charge regulation) - suspect - something bad in the alternator or regulator circuitry - may also be drawing current when OFF, and discharging the battery when not running.
Your battery disconnect switch - may help with the discharging problem - but you may still be killing batteries when running through improper re-charging.
Posted on May 13, 2014
Use a volt meter or test light, disconnect the negative battery cable from the battery post. If the meter reads 12 volts or if the test light is lit start pulling one fuse at a time until the meter reads zero or the test light goes out.
Make note of what circuit the fuse protects then start working your way back from there. It cold be as simple as a dome light being left on but you need to narrow down where the problem may be located.
I hope this helps, good luck!
Posted on Apr 17, 2014
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Posted on Jan 02, 2017
SOURCE: Dead battery.
Here is a link to the factory owners manual, the info about the fuse is in the manual.
Posted on Oct 16, 2008
SOURCE: 1998 Ford Explorer
had same problem when my rear wiper motor went out. I had to locate all the rear wiper motor fuses and take them out to stop it. Am now waiting to replace my wiper motor.
Posted on Oct 19, 2008
Are you getting any codes from the Check Engine Light? This sounds like it could have something to do with a sensor. Check your air filter and make sure it's clean. The tach on my 1999 doesn't really work, but it hasn't coincided with other driveability problems. The engine doesn't change in it's RPM's, the tachometer just stops working. Have your charging system checked. The shaking might be coming from bad fuel pump operation, clogged fuel filter, or dirty fuel injectors. Try putting an additive into your gastank to clean the injectors (a bottle of Seafoam is great for this). Try calling your local Autozone and see if they do free trouble code scanning. This might help lead you in a better direction.
Posted on Jun 29, 2009
Check your battery terminals make sure they are clean and corrosion free.
Also check all ...A-L-L courtesy lights in your car. there are some ceiling mounted lights that are passenger operated and may be on... Also check your glove compartment and consoles for lights.
Also check for charger cords... These have indicator lights and sometimes can drain the batt as well.
Also, under the hood, is a gravity activated lamp . Open the hood and make sure that it's going off and staying off as the hood closes...
Let me know if you find anything...
Posted on Jul 28, 2009
I have same problem, 04 Tarus, Abs light, brake light, fuel cap light, oil pressure light, and one other, checked oil pressure with manual gauge and its good, has been doing this since it was new in 04, also radio has a mind of its own turns up and down on its own when warning lights are on.
Posted on Oct 29, 2010
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