Question about 2004 Jeep Grand Cherokee

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I am going to change the battery in 2004 Jeep Grand Cherokee. Will the electronic setting currently on the car memory remain?

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Hi, im afraid not as soon as you take the battery off the vehicle you will lose all of this, also when you refit the battery you will be asked for the security code for the stereo and if you dont have it then thats means a trip to the main dealers to get the code from them.

you can buy a device that plugs into the cigarette lighter and this allows you to take the battery off without losing all this info as it gives the car enough power to keep thing as they are, but you would need to shop around to do this.

isnt their anyway you can charge the battery whilst its still on the vehicle, it will charge with no problems still connected and it wont do any harm as long as you get the terminals the right way round.

let me know if you need further assistance ok

plz rate this solution as i have a whole page of unrated posts, thanks

Posted on Aug 31, 2010

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Battery drain, fuse #12 in 2000 Jeep Grand Cherokee


On the 2000 Jeep Grand Cherokee the # 15 fuse is the IOD circuit. (Ignition Off Drain) The # 12 fuse is the power windows. Both fuses are 50 amp.

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the following web site does a great job of explaining all that is going on. What appears to be simple to troubleshoot is not so easy. He comments about delay before sleep are important. Testing after overnight may result in a different drain rate. Make sure that your battery meets specifications. In 2000 the drain rate may be relatively high and the reserve capacity of your battery low.
http://www.tomorrowstechnician.com/parasitic-drain-ii-jeep-grand-cherokee
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Die's


This happened to me recently on my 2004 Grand Cherokee. It stalled out three times in a month. No one came up with any codes except that my throttle sensor needed to be replaced ($80). After it was replaced, it stalled two more times, but this time the check engine light never came back on. My local Jeep mechanic looked it over for around six hours and could not find anything. However, my amps on my battery was half of what it should be. He stated that the computer may not have enough juice to control the throttle idle that activates when the vehicle is in low idle speeds. He also stated that once you remove the old battery to touch the battery cable terminals together (you can use a wrench if terminals won't touch) for around ten seconds. This is supposed to drain any remaning juice from the jeep and is supposed to reset the idle memory and computer for the vehicle. After replacing the battery, crank the Jeep up and let it run for at least five minutes without ever touching the gas pedal. Leave it to idle and I repeat, do not touch the gas during this time. The mechanic stated that letting the vehicle run for at least five minutes without touching the gas pedal will set the computer for the Jeep to run efficiently with the new battery and will also set the idle memory for the jeep. I did so and you could actually see the RPM's going up and down until the Jeep found an efficient idle setting. Try that, I know it sounds simple, but I tried every else before this, and it has not stalled out since a couple of weeks ago. I'll write back if it does before the end of next month. Hope this helps.

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