Unhooking a battery cable with the engine running is a bad idea. The voltage regulator in the computer will go full charge ( over 16 volts ) with out the battery in the system. If the Jeep is dieing at idle, it is most likely not the alternator. You need to check the idle motor that sticks in the back of the throttle body.
on my 01, i removed the battery and gained access that way. hope that helps.
The computer only resets when the battery is removed. The alternator just charges the battery, so if the battery is left connected when the alternator is replaced, the computer should not reset.
Usually yes if alternator is good not a good idea alternator can burn out all your components without the battery to keep the voltage down
Yes, as long as the diode in the alternator has not been removed. Alternator products AC, the diode switched it to DC which is used to charge batteries.
An alternator can charge normally but can still drain a battery if the diode(s) are defective. Try this: remove the(red) positive cable from the back of the alternator and then touch it to the post that you removed it from. Remember, this is hot so don't touch it to anything else. If it sparks this indicates the alternator is pulling current, and is bad.
The alternator may be putting out some amps, but the regulator inside is failed. The alternator is the first thing to replace when the battery lamp comes on in these vehicles. Also make sure the battery is not leaking acid. Remove the positive and negative cables from the battery and look for corrosion. If corrision is found, you'll need to replace the battery and also take the battery cable covers off to clean the contact pads down to bare metal. Make sure all corrosion is removed. Russtech67
Disconnect negative battery cable first. Locate alternator. locate belt tensioner. Use rachet to retract belt tensioner so belt can be removed off alternator. Remove alternator mounting bolts. disconnect positive cable and field wires from alternator. Remove alternator. Reverse to install. Removal of negative battery cable first prevents a short should the wrench touch metal or car ground. Some mechanics just remove the positive cable but risk a dead short shoud the wrench touch vehicle ground.
Once the engine is running it mechanically turns an alternator. The alternator generates a current which powers the motorcycle and also recharges the battery.When removed from the motorcycle the battery will need to be recharged using a specialist battery charger which plugs into household mains.
the alternator is removed from below and there is three bolts (10 mm socket) that need removed. one of these bolts is on the other side of alternator. use a small mirror to see this bolt. Don't forget to disconnect battery!!!
disconnect positive cable on battery,remove top bolt that goes thru bracket on alternater and push alternator and remove belt.remove bottom bolt ,but first remove wires from alt. and remember where they go,after bottom bolt is removed,then pull alt. out.
I would start by having the alternator tested after it has been removed since that is the most common problem. There is a possibility that the wire going from the positive post on the starter to the back of the alternator could have a break in it but it is less common.
The alternator is bad. The engine is running off of the battery and when you take the cable off it has no electrical power. If the alternator was working, the car would keep running. Be advised, doing this can damage a healthy alternator. This is not a good way to test the system.
You disconnect the battery, remove the belt, remove the bolts you can reach from the top and remove the rest from the bottom. I removed some brackets that hold tubing tight and removed the alternator from the bottom. Installed in reverse order.
Disconnect the battery. Remove the air inlet tube. On some s10s, there is a bracket above the alternator that needs to be removed. Take off the serpentine belt. Remove the alternator wiring, then the bolts. Remove the alternator and install the new one.
Because your alternator is bad, and the battery does not have enough power left in it to run the car. If you were to charge the battery for awhile, it will run until the battery is DEAD, then the car will die,,, No more juce left to run it that's all . OR the alternator belt is broken.
Pop the hood. Disconnect the negative battery cable, then the positive battery cable. If you disconnect the positive first you could possibly ground out the battery with your wrench causing a short. Once those have been disconnected the car should have no power. There is a battery tie down on top of the battery that holds it in place. On one side of the battery tie down there is a bolt threaded on to a long rod that continues down to the bottom of the battery. I believe that bolt is either an 8mm or 10mm. Once that bolt has been removed the battery tie down bar can be removed and there is a black plastic box that sits around the battery and that should lift right up. Once those pieces have been removed the battery is free to be removed. Follow the same steps in reverse to install a new battery. The main thing is that when putting the cables onto the new battery put the positive on first then the negative.
The most common reason batteries drain on cars is a bad diode in the alternator. The alternator will still test out good as far as power output goes. Try this: disconnect the positive cable(largest) on back of the alternator and then touch it back to the post you removed it from;( remember it is hot so don't touch it to a ground) if it sparks as you touch it to the same post then it is probably the alternator causing the drain.
First one must disconnect the battery in the Honda CR-V EX. Then, the mounting bolts, bulkhead cover and splash shield must be removed. The belt and power steering pump must then be removed. Once the alternator mounting bolts are removed, the alternator can be safely removed and the new one installed. The steps must then be performed in the reverse order to put the car back together again.
After the Cherokee Indians were removed from Oklahoma 10,000 survived
Needs a battery, most likely. Have the alternator checked after replacing the battery. Additional Info: It could also be a loose battery connection - check the battery cable clamps. Also, if the battery needs to be replaced, lock and unlock your doors with the key as the alarm system activates itself when a battery is removed, disconnected or replaced. Cycling the door lock cylinders resets the alarm.
DISCONNECT THE BATTERY TERMINALS!!! The mounting blots that go through the alternator need to be removed (some are star bits) and then remove the two electrical connections, one a clip-on one a bolt-on grounding wire. Be careful NOT to get shocked or short out your new alternator, the battery terminals must be disconnected.
Before proceeding always make sure the engine is off and ignition keys are removed. The battery cables should be disconnected for electrical safety.The first step to replacing the alternator is using a bar to depress the belt tensioner pulley. This will free the serpentine drive belt for release. Next using a hand or power tool the bolts holding the alternator can be removed. Finally bolt in the new alternator and reinstall the serpentine belt. Reattach the battery cables and start the engine to complete the install.
The negative cable is removed first, then the positive. To re-connect, the positive goes first, then the negative.
I connect a spare battery to the system with jumper wires, positive to an accessory post on the vehicle and the ground to a good engine ground. Keep in mind the vehicles positive battery cable will be hot even after the vehicles battery is removed.