Question about 2001 Ford Focus

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Is it O.K. to connect a battery charger up to the Battery whilst it is connected and still in the car and charge it up.Disconnecting the battery to charge it causes so many problems with all the electrics. Thank-you

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Yes, you can charge the battery wile it is connected just make sure that you donot hook the charger leads up backwards.

Posted on Nov 11, 2010

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I want to locate the fuse for the alarm on my 2002 streetka. It has run down the battery and I cannot charge it without the alarm going off when I connect the battery chargers. Help please !! Thx


Turn the alarm off with the remote. The alarm is programmed to go on when power is restored, if power was lost (dead battery, disconnecting cables, etc.).

Feb 06, 2016 | Cars & Trucks

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How do I use a Schumacher SC 10030a battery charger to start a car? The battery is dead.


Connect it to the battery and put it on boost or start mode then try the key.
It is far better to charge the battery on normal charge mode at least for a good while on the 30 amp setting so there are more cranking amps. Starters can be damaged by not enough starting amps. Alternators can also be damaged by too low batteries as it strains them. I would recommend a good charge first if not that at least leave the 30 amp charge mode connected for a while if you are successful cranking the vehicle on the 100 amp boost mode.
Some automobile manufacturers recommend disconnecting the battery completely to charge it.

Feb 15, 2015 | Cars & Trucks

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Is the charger to be "on" while charging it; then on while hooked to battery?


The portable charger should NOTE be connected to a battery while the battery is connected to a vehicle! Charge the battery off the car, then disconnect the charger and put the battery into the vehicle to start it! If the charger is not working check the fuse! If that is ok then probably damaged the circuitry!

Jan 02, 2015 | Cars & Trucks

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12v battery charge doesn't work in car


A few reasons why the charger is not charging the battery: The charger itself is not working; The battery will not take a charge, the battery can be 'dead'. If you can, connect the charger to another battery, just to see if it is working. The charge indicator needle will move. If you have confirmed that the charger is working, then the battery may be beyond charging. Make sure the connections from the charger to the battery terminals are tight.

Jun 11, 2014 | Cars & Trucks

2 Answers

Car won't turn over and battery charger says it's charged


try tightening battery terminal or remove and clean, check for loose connection, refit connector and tighten properly.

Dec 12, 2013 | 1990 Ford F150

1 Answer

The car clicks but will not start


Start with the battery.
Turn on the headlights, and have someone look at them whilst you try to start the car.
If the lights stay really bright, you likely have starter or starter solenoid problem.
If the lights dim as you try to start, you may have a bad connection or a bad battery.
In any regard, take the battery terminals off the posts and give them a good scrubbing with a wire brush and something to clean inside the terminal holes that go over the posts.
Be sure to check the wires that go out of the terminals for corrosion or looseness.
Loose terminals can cause the battery to go dead whilst you drive the car.
Make sure all connections are tight and clean.
Remember, the alternator is not a battery charger, so if it will start with a jump, have the battery charged and then test it.
More problems! ?
Ask "fixya" after doing these steps.
Be blessed.

Apr 07, 2013 | 1994 Eagle Talon

1 Answer

How do you change a battery in a 1999 chevy venture van


Assuming you have a battery charger. Do not plug charger in until after it is connected.
1. Open hood & locate battery.
2. Identify the positive terminal of the battery (usyally has a red cover or red marking.
The battery has side terminals (not posts like nonGM batteries)
4. Connect the + red clamp the the positive terminal wiggle it a little to get good connection.
5. Connect the negative black clamp to the engine block, a handy bracket on engine or the negative terminal on the battery. DO NOT CONNECT TO ALTERNATOR
6. Be sure connections are secure.
7. Plug in charger it should show charging. Leave it over night
8. Before disconnecting charger disconnect power to the charger.

THE FUMES OF A BATTERY ARE EXPLOSIVE DO NOT USE FLAMES NEAR BATTERY
DO NOT ALLOW SPARKS NEAR BATTERY!

Dec 08, 2010 | 1999 Chevrolet Venture

1 Answer

Unable to crank after sitting


Interesting problem. There are a number of things that can contribute to these symptoms: Battery not holding charge, charging system not working, bad/corroded battery and/or starter cable connections, and of course something draining the battery when the ignition is off.

Before doing these tests, make sure the battery is fully charged by disconnecting it from the car and charging it 24 hours with an external battery charger.

Is the charging system (alternator) working? Accords have an idiot light, not an ammeter/voltmeter, so it could be your car isn’t charging and the indicator light is burned out. Connect a voltmeter to a fully charged battery and observe the voltage (should be about 13.8 volts). Now start the car and observe the voltage again, should be higher than before (around 15 volts). If the voltage doesn’t increase at least slightly either the alternator belt is loose and slipping or the alternator is bad.

Are the battery terminals tight/clean? Any corrosion on the terminals or wires? How about the end that connects to the starter? How about the ground wire to chassis? Any corrosion could produce an intermittent connection problem that acts like a dead battery.

The battery may be new…but is it good? Charge it, connect it and confirm the car starts. Then DISCONNECT the battery, let sit 24 hours, re-connect and try to start. If the battery now acts dead maybe it is bad. Exchange under warranty.

And last, something is discharging the battery. First question, do you have any non-Honda add-ons like an aftermarket audio system with a power amp? Audio power amps have a direct wire to the battery for greater power, if the amp isn’t turning off then you’ll have a drain. Try disconnecting such equipment and see if your problem goes away. If that’s not it connect an ammeter in series with the battery with the ignition OFF and start pulling fuses one by one until you find what’s causing the drain.

Hope this helps!

Jan 27, 2009 | 1988 Honda Accord 4 Door

1 Answer

Charge battery


Do you have a battery charger? If you do, connect the red(positive) clamp on the charger (+) to the Positive (+) battery post. Then connect the black(negative) clamp on the charger (--) to the (--)(negative) battery post. Make sure these are hooked up this way, if they aren't, you can damage the car's charging system (big bucks to fix). When you are sure the charger is connected to the battery properly, plug the charger in. It would be best to let it charge overnight. You must then find out why the battery went dead, otherwise, when you go out someplace and turn the car off, you may not be able to start it up again. If it's the original battery it's time to get a new one. You can drive to a major parts store, they will check the battery and car's charging system to see what's wrong for free.Good Luck countrycurt0

Aug 23, 2008 | 2004 Buick LeSabre

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