Question about 1994 Chevrolet Corvette

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Tried to jump start 94 chevy corvette and accidentally placed the negative cable on the positive terminal and vice versa. Got a new battery, but it only turns over. SYS flashing on dash screen. Help!

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  • doubleray May 16, 2010

    Checked the fuses and they seem to be ok, however, where is the main fuse?

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  • Chevrolet Master
  • 3,640 Answers

Check to make sure no wires are melted apart. and also check fuses. espesially the main fuse. check the voltage from alternator to battery, it should be 14 to 14.3 when running. battery voltage should be about 13 volts when engine is off.

Posted on May 16, 2010

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HOW DO I CHANGE BATTERIES


take the old one out, put the new one in. start by removing the positive terminal connector and placing it so it will not accidentally retouch the positive battery terminal while you continue. maybe tape it in place. then remove negative terminal connector. then remove any hold down strap that keeps battery in place. now remove battery. reverse steps and you are all set. to remove terminal connectors, after you loosen the nut, gently twist them back and forth to slowly slide them up the terminal. to firmly place terminal connector on the new battery terminal, use a big socket upside down on the connecter and gently, but firmly tap it into place with a small hammer,etc. gently, but firmly, then tighten bolt firmly but not with great force. good luck.

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IS IT THE BATTERY OR THE ALTERNATOR


Get a cheap digital voltmeter put it on the DC volts range. Place the red lead on the positive terminal of the battery and the black common lead on the negative terminal. Jump start the car again to get it running. If the battery reads in the range of 13.6 Volts DC volts then the alternator is supplying enough power to charge your battery. The alternator must generate more than 12 volts Direct Current to charge a battery. Also check the belt is not slipping on the alternator pulley.

Mar 18, 2013 | 1994 Ford Mustang

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Hi, I have a 2008 Pontiac G5 and I accidentally kept the lights on all day. Since I only have a positive (red) connection, I ground the negative connection to metal as well as the other car negative...


sounds like you are on the right track. Hook the jumper cables up to the dead car first. The red cable should go to the jumper terminal as you mentioned and a good place to hook up the black cable is the bolts on the strut tower.

then with the other car running hook up the red lead to the cars positive battery cable and then the negative to a good ground. Let the two cars sit for about 5 to ten minutes to give the dead battery a chance to charge.

Once the dead car is started let it idle with the lights turned off for at least 45 minute to an hour or drive it for the same amount of time with the light on (I assume you will be driving in the dark) or if its day time drive it for 30 to 40 minutes with the lights off. This should be enough time for the alternator to charge the dead battery.

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I was jumping my 95 ford mustang when I accidentally put the negative cable on the positive post and vice versa. The cables starting smoking so I immediately turned the car off that I was jumping my...


there is not a fuse for just the speedo. Only possible fix is to remove the positive battery post for 30 minutes to reset the ecm/pcm. You probably fired the circuit though. Good luck.

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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.
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  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
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Jul 04, 2010 | 1993 Toyota 4Runner

1 Answer

Clicking and takes a wile to turn over


The clicking you hear is the starter solenoid making and breaking connection and this can be cause by a tired battery or poor conductance between battery and starter.
You can have the battery load-tested at any auto parts chain store but if you know it should be OK, then your problem can be caused by corrosion at the battery terminals or at the other end of the heavy cables; the positive cable goes to the main starter terminal, the negative may go to the chassis and then the engine block or vice versa.
To clean these, ALWAYS disconnect the NEGATIVE terminal FIRST. Removing the positive first can result in accidentally getting your tool between there and any grounded metal; something you really don't want to do to the tool or battery terminal.
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Feb 08, 2010 | 1999 GMC Suburban

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My original battery still has the green eye but can not start the engine due to weak battery power. Why? I had a 2006 Sienna LE purchased brand new from dealer. Thanks. manpower


If the battery checks OK, then it could be corrosion (even after 3 years) either at the battery terminals or at the other end of those heavy cables.
Remove your negative battery terminal first - ALWAYS. Then the positive. Clean them both with a wire brush or terminal cleaning brush.
If it still turns over too slowly, you will need to remove the negative battery terminal, then from under the vehicle, remove the other end of your positive cable from the starter terminal and clean both the terminal and the cable end; reattach.
With the negative still disconnected, locate the other end of this cable (may be on the engine block or bolted to the chassis sheet metal) and, there will be an additional cable that connects the chassis to the engine block or vice - versa. Clean and reattach these.
Finally, reconnect the negative cable to the negative battery terminal.
When I go through this routine, I use either dielectric grease or a least petroleum jelly smeared liberally on each of the mating surfaces before reattaching.
If it still turns over slowly, the green eye is lying! Once started, you can go to any of the larger chain auto parts stores and they will test your battery free.

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In order to reach the negative terminal to the battery in a 2000 Vebture (I have one) you must first remove the fuse housing. The fuse housing is a large black box that sits atop the battery. There os a single bolt that holds it in place located in fron of the battery bolted into the lip of the motor bay. Unscrew this, then unhook the fuse housing from the cross bar running from the back roght to the front of the motor bay. This is a tight fit so watch your knuckles. Once the fuse housing is out, the negative terminal is located on the backside of the battery. It is a tight squeeze black is negative, red is positive.

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I've done it already anymore ideas


Before I even start here. I've got to tell you, you provide the best info / details / descriptions of any one I've tried to help on this site. I wish they all would get a clue from you. Thanks.

Back to the problem.You are closer to the solution than you think.

The fact that you can jump start it rules out everything except the Battery and the negative cable. Everything works when you bypass these.

Rule out the negative cable by re-jumping, only this time attach the negative jumper to the negative terminal of the battery.
If it starts, With the jump, It's the battery. No Doubt.

By all means, bring it back to where you purchased it (Autozone?). Have them check it. Tell them whats happening, they'll exchange it.

I've gotten two more people in the last week who had replaced the battery (Oh No, it can't be the battery), only to find the new one was bad. It happens.

When it turns out to be the battery (or cable), I expect a 'FixYa'. Fair?

Good luck, you'll be on the road tomorrow.
Mike

Aug 10, 2008 | 1987 Jeep Wrangler

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