I have already had altinator checked and it was working. I was told voltage regulator was located in computer and that it may need to be replace. This started aprox a month ago and would charge some times and then when vehicle was statred agian it would not charge. I was also told that I would have to have as dealer change the computer because of some codes that would have to be used. I wanted to buy used one and do it myself or have a buddy of mine sho has a small shop replace it, but if there is codes involed I gues I wil have to have dealer do this?
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Re: 96 jeep cherokee not charging
If you have a black key you can just change it with a used one.. the vin in the computer will be wrong but it will run.. if you have a gray skim key then you will need to go to the dealer to have them wright the skim key and vin information in the new controller...
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I wouldn't jump to the expensive side of the "fix". First thing I would do since you checked those two components is, check the connection of the cable going to the starter. Check your ground connection next (black cable) to see that you have a good connection....
Let me know what you find and we will go from there.
The computer is very easy to replace. Its located on the passenger side of the fire wall. I believe 4 screws hold it on. Unplug the connectors, remove the screws and thats it. Most junkyards will have your part for around 80 bucks. Hope this helps
HELLO, I'M PRETY SURE YOU ARE HAVING A PROBLEM WITH YOUR VOLTAGE REGULATOR. PROBLEM IS THAT YOUR REGULATOR, IS INTERNAL IN YOUR ALTINATOR AND THAT IS WHERE THE VOLTAGE REGULATOR IS LOCATED. TAKE YOUR ALTINATOR TO YOUR NEAREST AUTOPARTS STORE AND HAVE THEM TEST IT. HOPE THIS HELPS YOU.
If you have one where the voltage regulator is located inside (integral part of) the computer...I believe you know that already.... Then you will have the symptoms you have posted. There is a "work around" for that involving the use an an older style regulator but I can't remember the exact wiring hookup. Best, just get another computer from a scrapyard. Likely the computer is not getting sufficient voltage and that's why engine performance is off a bit. After installing the computer, fully charge the battery before starting it to avoid overloading the charging system and causing it to fail again.
Hello. If your battery is not charging while driving, often it is due to low or bad voltage from your voltage regulator, which is also in the Alternator usually on these vehicles. Your engine has been running off the battery only and draining it, not using the alternator's power. Here are some things to look for and a question for clarification:
If you actually replaced the alternator already your regulator should be good. But to clarify your problem report, did you replace the alternator or only check it? It may take several checks while truck is running to catch the problem. If you have not done so already you will need to verify that voltage (13.9 volts or more) is actually reaching right to your battery. 12Volts will not be enough, that means something is wrong and is just battery volts. Please do this test while your Jeep is running, with lights on. DC volts across the battery need to be about 14 Volts while all is on. If you don't get that either the Alternator/VR is bad OR bad connection to it.
Under the hood you will find a box marked power distribution center near the battery. Inside you will find several "master" fuses that power all your sub-systems. One is for the alternator. Fuses can be tested without removal using a test light or volt meter by probing the open spaces above the contact spades (I use a volt meter because it not only tells you that voltage is there, but how much) . if fuses check out as good and you have the alternator properly connected, some Jeep systems use a remote regulator, but (don't have any idea why) it is part of the computer and cannot be replaced alone.
Change voltage regulator. Does the battery take a charge from a charger? If not, replace battery. If it does, then regulator is faulty. If still nothing, return alternator to place of purchase, and have it checked.
I just posted a simular resonse in another post. What is sounds like it that the fuel pump is starting to go bad. When it heats up after use the pressure drops not pusing the full amount of fuel. Whenits cold it works fine until it heats back up 10-20 mins. remember fuel in the tank helps cool the pump so keep it soewhat full but sounds like the damage is done. your probally gonna have to replace it.