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Installed a new battery into my vehicle and accidentally touched the battery cables to the wrong terminals. I checked all of the fuses in the vehicle and they are all good; however, the unit will not power on now. Is there an internal fuse or is there something else that I can do to get it working?

Posted by Anonymous on


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Posted on Jan 02, 2017

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SOURCE: my kvt 617dvd is dead

hey did you check the fuse in the relay box on the yellow wire?
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Posted on Jan 02, 2008

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SOURCE: kenwood ddx 7015 wont power up new fuse still

Make sure the power wire (usually red) is getting power.


Posted on Oct 28, 2010

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Won't start. new battery and alternator installed.

Assuming this fuse-blowing problem wasn't a problem prior to the replacement of the battery and alternator there are only a few possibilities to consider. First ensure that the battery you purchased has the correct positive and negative post placement. Some are reverse and it is easily possible to place the cables on the wrong posts if this happens (not the most likely problem, but needs to be mentioned). Next, check where you connected the red wire to the back of the new alternator. Ensure that the insulator is not cracked and that the wire is not in contact with anything but the mounting stud that could cause a short. If that is ok, then I would disconnect the wire hot from the alternator. Ensure that it is not touching anything, and reconnect the positive battery terminal. If the fuse does not blow now, there is something wrong with the new alternator. Yes, it can happen. Take it back, tell them what it does, and have them test it.

Mar 21, 2015 | 1998 Dodge Dakota


How to jump start a vehicle safely

You have a dead battery and need a jump start. There is the right way and the wrong way to accomplish a jump start safely. Because of the potentially severe hazards due to improper use of jumper cables it must be done correctly. Auto batteries contain Sulphuric Acid which can blind you, or at the very least burn your skin. Also auto batteries vent off Hydrogen Gas which is highly explosive even from the slightest spark. Because of this danger it is critical to attach the jumper cables in a precise sequence. 1. Park the vehicle with the GOOD battery close to the vehicle with the BAD battery but do not let the vehicle touch each other. Make sure the cables are not routed so as to touch any moving parts, such as a fan blade. 2. Attach the jumper cable Positive + terminal to the GOOD battery Positive + terminal. 3. Attach the other end of the jumper cable Positive + terminal to the BAD battery Positive + terminal. 4. Attach the Negative - jumper cable terminal to the GOOD battery Negative - terminal. 5. Attach the last jumper cable Negative - terminal to a heavy metal ground part of the engine and NOT to the dead battery Negative - terminal. Reason being this last connection will cause a spark, and you do not want a spark next to the battery where it could ignite the Hydrogen. 6. If the engine of the donor vehicle with the good battery was not left running, start the engine and let it run for 2-3 minutes to put a charge in the bad battery. 7. Start the vehicle with the BAD battery and then remove the jumper cables from the batteries in the exact opposite order you installed them.

on Jun 19, 2010 | Honda Accord Cars & Trucks

2 Answers

Replaced battery car will start but no power

try to disconnect the battery for about 20 minutes. hook it back up and make sure you have the positive and negative wires on the right terminal. wrong way can short and burn your entire electrical harness. Check the fuses.

Apr 21, 2014 | 2002 Toyota Camry Solara

1 Answer

New battery, but no ignition lights come on

Have you checked the main fuse? It's usually a 30amp fuse by itself and if you tried to jump the bike and connected the cables wrong, or accidentally connected the battery cables wrong when you put the new battery in, you may have blown the fuse.

Oct 10, 2013 | 1996 kawasaki EN 500 Vulcan Classic

1 Answer

Hi, is there any special things I need to know, short cuts or tricks in a removal and replacement of my battery in a 2000 ford mustang with a V6? thanks, Sarah


1. Ensure you are using the correct spec replacement battery.

2. In many vehicles the radios and sound systems will cease to function if the battery is disconnected and require the radio code (supplied with and unique to the vehicle) to be punched in to activate the unit once power is restored.
I am not sure if the 2000 Mustang has this feature.

Make sure you have turned off all electrical functions on the car and remove the key from the ignition.

3. Batteries are dangerous as they emit explosive gasses which can ignite easily with one spark.
Do not change the battery immediately after running the car. Open the bonnet and allow air to circulate for a while before changing. Wear protective eye wear and clothing when working with the battery and remove metal objects such as rings ,watch bands, bracelets etc. as these could accidentally touch a battery terminal and cause a spark. (Be careful as I have personally seen a car battery explode when gas emissions have ignited with a spark).

4. Disconnect the cable from the negative ( - ) terminal first. Using a spanner, loosen the nut on the cable end and gently remove the cable from the battery terminal. You may need to move it around a little on the terminal before it slides up and free. Disconnect the cable from the positive (+) terminal second by loosening the nut and gently removing the cable. Move the cables out of the way and place a plastic cover wrapping over both cable ends so they do not accidentally contact an exposed battery terminal.

To eliminate risk, wrap some plastic electrical tape around the old battery's terminals before removing it. This ensures no accidental contact with metal parts of the car when moving the battery. The new battery should have a plastic protection cap over each terminal. Do not remove these until the new battery is secured and you are ready to re-connect the cables.

5. The battery clamping system will need to be released to remove the battery.

6. Check the metal cable terminals for corrosion (the presence of white ashy material). They will need to be cleaned up before connection to the new battery to ensure good contact.

7. Install the new battery on the battery platform ensuring it is firmly and properly seated and clamped with the clamping system. Ensure it is properly secured before re-connecting the cables.

8. Connect the positive cables to the positive (+) battery terminal first and then the negative (-) second. (The reverse of removal). Do not overtighten the nuts on the cables when clamping them to the battery terminals.

9. I usually run a very light and thin smear of petroleum jelly over the metal cable ends and top of the battery terminal once everything is clean and connected up. Now replace the protector cover (if fitted to your vehicle)) over the positive cable end and you are done .

10. If your car radio is coded, disconnecting the battery will clear the code on the radio so ensure you have the code available to reset the car radio after the battery is reconnected.

Dec 01, 2010 | 2000 Ford Mustang

2 Answers

Sparking under vehicle when trying to start. It has a new battery and new cylanoid.

That sounds like a loose cable from the ignition solenoid down at the starter, or the cable between the starter and the starter solenoid is exposed and touching metal ground on the vehicle. Check the condition of the cable to the starter and also be sure that it is tight, and not touching any metal ground surfaces on the vehicle, and if there is nothing wrong with either then the starter is most likely is faulty.


Sep 26, 2010 | 1983 Ford F150

2 Answers

I accidentally installed battery wrong, now my car does not start and when i try conectpositive to positve terminal it sparks

it will spark a little,make sure key is off and doors closed,check the fuses,the ones under the hood,you had to of blow one or two,and lets hope thats all,start there first and see if car starts after replacing blown fuses and also check for fusible links,

May 15, 2010 | 1999 Ford Escort

2 Answers

No electrical power after replacing battery

Well, your initial problem sounds like a bad starter motor and now somehow there is another problem.
First, make sure the battery shows 12v with a volt meter. If its ok thenit may be that you accidentally hooked the battery up backwards...even for a second, it would have blown out a main fuse. Notice any sparks when you installed the battery? Or, did you try to jump it with another car and put the cables on wrong? If no too all this the check the smaller wires on the positive battery end to make sure none broke.
The main fuses are located in the relay/fuse box near the battery.
Hope this helps.

May 18, 2009 | 1995 Toyota Camry

1 Answer

Replacing the battery in a 1999 Lexus LX470

There are a few thing's, one thing is to not accidentally touch the positive terminal with the negative battery cable or touch the negative terminal with the positive battery cable when your removing or installing the battery, if one of the cable's do touch the other post it may blow some fuse's, on some vehicles with radio anti theft systems when you remove the battery the radio will lock out, if you don't have the code you'll have to take it to a service dealer to have them reset it, other than that it's pretty much straight forward. good luck.

Apr 02, 2009 | 1999 Lexus LX470

1 Answer


Did you test the fusible link?
It's a smaller gauge wire that comes off of the + terminal of the battery post.

Aug 12, 2008 | 2003 Ford Escape

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