Battery is good alternator was checked at kragen in the vehicle was bad but out of the vehicle was good go figure?but when i turn on any electrical/heater lights exct. the amp gage goes to 0 amps battery drains dose this vehicle have a in line fuse in the alt system
what do you think the problem is
where could the short be
its flippin got me baffled
its a jeep thing and i just don't understand
also when steering column is down the low beam head lights don't work
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Re: 96 grand Cherokee charging problem
There is a 60A fuse in the power distribution box near the battery it is for your alt. Possibly there is a short or partially broken wire in the column harness. If shorted it may be causing fuse to blow, but that would need to be checked.
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If you battery is going dead and the check engine light is on then you alternator is going out. Heres what to do, replace the battery and have the charging system check by a local repair shop. If you alternator is bad it will cause the battery to go bad as well, so testing the vehicle with a dead battery will not bring back any accurate results. An altornator is in charge of keeping you'r battery charged to sustain enough power for you vehicle. If you replace the battery and the problem persist, then you have a short or current draw in the system causing the battery to drain. If thats the case go and see a specialist and have them do an electrical diagnosis.
Alternators have a built in regulator that tells them when to turn on and off. Just because the alternator is working, does not mean the regulator is turning it on and off when it should, in turn, over charging or undercharging your battery ruining it. The problem is you could also have a short somewhere that is draining the battery when it gets damp. The starter or a bad battery cable is usually the culprit here. A bad battery cable can mimic a dead battery, and when you jump it you put enough power to allow it to "jump" the bad spot, But also put a major strain on the cars electronics. So start with new cables, a 96 is 15 years old. Inspect the starter for any sign of corrosion or other damage at the same time. If this doesn't help, demand a replacement alternator. 98% of rebuilds are good, but 2% aren't.
MAKE SURE BATTERY CABLES IS CLEAN FREE FROM CORROSSION. MAKE SURE BATTERY CABLES GOOD TIGHT.IF ALL IS OKAY. WELL I HAVE SEEN A GOOD BATTERY CAN ALSO BE BAD.I KNOWN PERSON BOUGHT NEW BATTERY DIDNT LAST A WEEK.IT HAD A FACTORY DEFECT ALTERNATOR WAS GOOD.DO A QUICK CHECK TO SEE IF ALTERNATOR CHARGING BATTERY.CRANK VECHICLE UP CHECK VOLTAGE OUT PUT AT BATTERY.IT SHOULD BE 13.5 - 14.5 VOLTS.IF NOT ALTERNATOR NOT WORKING CHECK ALTERNATOR FUSE AND WIRES.MAKE SURE THEY ARE INTACT.IF ALTERNATOR GOOD.HAVE THE BATTERY LOAD TEST TO SEE IF YOU HAVE A BAD CELL IN IT.IF BATTERY IS GOOD.BATTERY DRAIN CAN BE CAUSED BY RADIO STAYING ON.THE INTERIOR LAMP STAYS ON.FAULTY PCM SHORTING OUT.FAULTY DOOR LOCK SWITCH.FAULTY BLOWER MOTOR RELAY.FAULTY ALTERNATOR DIODE.FAULTY STARTER SOLENOID SHORTING CONTACTS WILL DRAIN BATERY.
There could be two reasons for this to happen.
One. The alternator is not working and hence not charging the battery. Have it checked and rectified.
Two. There is a short circuit somewhere. To find out, open the hood and from the fusebox, remove one fuse at a time and run the car locally to see if the battery has stopped discharging. When you locate a system shorting, rectify it by inspecting it thoroughly.
Three. Both one and two. Very unlikely to happen.
It sounds like an Alternator problem.
Remember the Battery only Starts the vehicle and runs nominal operations. The Alternator actually provides the electricity to run the Engine operations. With that being said: Start the vehicle, jump start it if you have to. Remove the Negative Cable from the Battery or remove the jumper cables. If the Engine dies after doing this, the Alternaotr is bad and needs to be replaced. When the Alternator begins to die, it starts draining the Battery. During normal operation it is the Alternator that sends a small trickle charge back to the Battery keeping it charged-up.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
Check all the connections. The battery clamps should be tight. Wires on the alternator should all be tight. Have you watched your battery charge indicator when the Jeep died to see if it was falling below 13 volts?
Get your alternator checked out or just replace it. sounds like the alternator is not charging the battery on your vehicle. You can take it out and take it to a local kragen or autozone and they will test it for free to see if it is good or not
start the vehicle up and unhook the pos cable from the battery if it dies its going to be a bad alternator or the battery has gone bad.one sure way to know if its the alternator is to un hook the pos cable while the car is running.they can test good even when they arent.