Question about 2003 Jeep Grand Cherokee

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What is the polarity for battery - positive or negative?

Want to use a battery tender and need to make sure I am connecting cables properly.

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  • Jeep Master
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Red is positive..

Posted on Mar 31, 2015

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Posted on Jan 02, 2017

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Trying to charge battery for first time. It says connect two red connectors. Do you charge it first then connect the connector afterwards?


1. I assume this is a car battery so the first thing you do is to disconnect the vehicle cables from the battery terminals. The negative first and then the positive. The positive terminal is marked with a plus sign ...+ ... When refitting the cables to the
battery after it is charged you fit the positive cable to the positive battery terminal(+) first and fit the negative(-) last.

2. Now that the battery is unconnected from the vehicle you can fit the charging cables to the battery terminals. The charger you have should have 2 cables leading from it , a positive with a red plastic insulation on the clip and a negative cable probably with black insulation on the clip.The instructions with the charger will tell you in which order the cables are to be attached to the battery and the order you remove them. Each of the 2 cables has to be clipped onto the correct battery terminal. The positive cable(+) from the charger goes to the positive battery terminal (+)and the negative cable(-) from the charger goes to the negative battery terminal(-).

3. Once the cables from the charger are properly connected to the battery, you can plug in the charger and turn on the power.

4. Batteries generate explosive gasses when being charged and it only takes one small spark to ignite them. Don't reconnect the battery after charging for a half hour or so and make sure the area where you are charging is well ventilated.

Dec 18, 2015 | Cars & Trucks

2 Answers

2000 Jeep Grand Cherokee no electrical power at all with a new battery,cables,fittings,ignition relay fuse. Only clicked once when trying to start.dome lights and instrument clusters on, then nothing


Just to clarify...has the battery been inserted the right way round on polarity.check the main 30 amp fuse if this has blow then it is probable that the polarity is back to front.

May 05, 2015 | 2000 Jeep Grand Cherokee

1 Answer

How to replace battery cables on a 2001 mustang conv 3.8L V6 eng


Firstly, take note of your radio codes then get a small motorcycle battery and make up or buy a jumper plug that goes in your cigar lighter socket, ensuring you have the polarity correct. This will keep any codes alive when you disconnect the main battery. Make sure the ignition key is OUT because the cigar socket won't take any current. Remove the negative cable first. Then the positive. Replace the positive cable from the battery to starter terminal or where ever its fitted. Replace the negative / ground cable ensuring a good clean ground is made. When both cables are properly clipped up as per the original arrangement then reattach the Positive first, then the Neg or ground next. Remove your temporary battery from the cigar socket and with a bit of luck your radio codes should be good. Take your time and check out how difficult it is to reach the starter terminal connection before you start. Some are a bi*ch.

Sep 05, 2014 | Cars & Trucks

1 Answer

I left my lights on all night and I needed to see how to charge my battery


Use a battery tender 12 volts, or a similar type low current automatic charger, putting out about 1.25 amps or so and connect to the positive and negative terminals of the battery as directed. FIRST wear protective goggles or safety glasses and be sure the battery cells are adequately filled to the proper level with distiller water. Then connect the charger, plug it in and observe the lights for proper charging. It usually takes about 24hours to charge a battery sufficiently this way, but doing so will do it safely and without need to remove the battery from the vehicle. I charge my LR battery about every 4 months like this to keep it like new.

Mar 10, 2014 | 2004 Land Rover Range Rover

1 Answer

Need a helpful hint on the replacement of a 1999 dodge intrepid's battery! I understand its under the wheel well and hard to get to, is there any other way that seems less complicated than taking the whole...


Battery Removal & Installation To Remove:
CAUTION
Make sure to connect the correct battery cables to the correct battery terminals. Reversing the battery's polarity may result in extensive damage to electrical components.
  1. Turn the ignition switch to the OFF position.
  2. Turn off all lighting and accessories.
  3. Remove or disconnect the following:
    • The negative battery cable first, and then the positive cable
    • The hardware securing the battery to the tray
    • The battery cover, if so equipped
    • The battery from the tray
To Install:
  1. Position the battery on the tray and install the cover if equipped.
  2. Clean the battery terminals and cable ends with a wire brush.
  3. Install or connect the following:
    • The battery hold down bracket and fasteners NOTE: Do not make the fastener so tight as to damage the battery.
    • Positive battery cable fist and then the negative cable
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Nov 12, 2010 | 1999 Dodge Intrepid

1 Answer

1994 Toyota 4 runner: I changed battery just fine; but can't get the fastener back in place.


I would make sure the fastener fits your battery and vice versa. Make sure it is not upside down or something like that. Is the replacement battery the same size as the old one? Battery REMOVAL & INSTALLATION NOTE: Refer to Section 1 for details on battery maintenance.
  1. Disconnect the negative battery cable from the terminal, then disconnect the positive cable. Special pliers and pullers are available to remove the clamps. Be careful of the many wires and fittings on and around the positive terminal. NOTE: To avoid sparks, always disconnect the negative cable first and reconnect it last.
  2. Unscrew and remove the battery hold down clamp.
  3. Remove the battery, being careful not to spill any of the acid. NOTE: Spilled acid can be neutralized with a baking soda and water solution. If you somehow get acid into your eyes, flush it out with lots of clean water and get to a doctor as quickly as possible.
  4. Clean the battery posts thoroughly before reinstalling or when installing a new one. A light coating of petroleum jelly or battery terminal spray protectant will help fight corrosion.
  5. Clean the cable clamps using the special tools or a wire brush, both inside and out.
  6. Install the battery, and the hold down clamp. Connect the positive and then the negative cable. Do not hammer them into place. The terminals should be coated with grease to prevent corrosion. CAUTION
    Make absolutely sure that the battery is connected properly before you turn on the ignition switch. Reversed polarity can burn out an alternator in a matter of seconds.
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Jul 04, 2010 | 1993 Toyota 4Runner

1 Answer

A month ago I bought A used 2000 elantra it used to start fpr the first try In the same time I changed the engine oil and Trying to put a good battery when I finished it did not start.


Verify (test) the battery is good/charged. Verify good, clean cable connections (positive & negative, correct polarity). Inspect positive and negative cables for loosness (positive cable condition to starter connection - clean/tight) negative cable condition to ground connection clean/tight). Replace/repair/clean/tighten cable(s) as needed. Did you remove/disconnect any components from the engine when you replaced the battery? If so, did you remember to put/reconnect them back?

Apr 22, 2009 | 2000 Hyundai Elantra

1 Answer

Temp guage hot & won't start


Simply replacing the battery can NOT cause the problem you describe. I suggest you check the battery cables (polarity) to be sure the battery is installed correctly... then check the battery cables to ensure they are properly connected and no damage is evident (negative - to negative - and positive + to positive +). Replace cables as needed.

Apr 18, 2009 | 1994 Hyundai Excel

2 Answers

WHAT IS THE TRICK TO REPLACING A BATTERY ON A 1992 LUMINA


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  • Loosen the battery negative terminal clamp.

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  • Use a terminal clamp puller to remove the negative cable.

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  • Loosen the battery positive terminal clamp.

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  • Use a terminal clamp puller to remove the positive clamp.

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  • Remove the battery hold-down hardware and any heat shields.

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  • Remove the battery from the tray.

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  • Install the new battery into the tray.
  • Also install the hold-down hardware.

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  • Install the positive battery cable.
  • Then install the negative cable.
  • When installing a battery, be careful to observe the correct polarity. Reversing the cables destroys the diodes. Proper polarity must also be observed when connecting a booster battery, positive to positive and negative to ground.

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Art courtesy of Delmar - Thomson Learning.
  • Coat the terminals with corrosion preventative spray, then check the job by starting the car.

Jan 09, 2009 | 1992 Chevrolet Lumina

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