Yet, after 24 hours the battery goes dead and I have to jump start the car. Something is staying on to run down the voltage. How can I find
this? Is there a shortage somewhere? Something not ground properly?
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Hello Just a hunch but before you started replacing everything did you test the alternator for proper voltage and now with the new one in with vehicle running what is the voltage? The reason i ask this many people just start replacing parts for no reason ! might not have ever been the charging system or battery, If the lights are staying on there is a reason. What i do is test engine running for the voltage at battery should be 13.7 14.4 somewhere in there, if not then that's where the problem is. if voltage is good then check battery disconnected for voltage- then a few hours later or get it load tested-if all is good with battery then now we check for short and a draw on the battery.This will take time but no cost. use volt meter reconnect battery and make sure vehicle is not running doors are closed if possible and watch the voltage drop to kill battery as u pull fuses one at a time-reason for this is to see what fuse is running what is drawing the power, once you know then you can start checking what is on that fuse and trace the short
open or shorted alternator circuit (control wire)
let your auto store test the alternator charging
on and off the truck.
inspect 3 wire connector for burn or lose connection
disconnect 3 pin wire and start the engine.if the light stay on you have shot to ground.
How old is the battery? More than 3 years it may be failing. Summer heat will test the battery limits.
Could be the alternator / regulator is bad causing large spikes in the voltage.
Take to an Auto Zone or other auto parts store and ask them to test the battery and alternator.
CHECK FOR BROKEN LOOSEN DRIVE BELT.IF DRIVE BELT BROKEN YOU WILL LOSE POWER STEERING, WATER PUMP AND ALTERNATOR STOP TURNING IF LOSE DRIVE BELT. IF DRIVE BELT BROKEN.CHECK FOR FAULTY DRIVE BELT TENSIONER.LOOK FOR SEIZED WATER PUMP, ALTERNATOR OR POWER STEERING PUMP.REASONS DRIVE BELT BREAKS.
LOSING POWER WHEN RUNNING COULD BE LOOSE BATTERY CABLE.FAULTY ALTERNATOR.NOT CHARGING BATTERY.CHECK BATTERY VOLTAGE SHOULD BE 12.6 VOLTS.WITH ENGINE RUNNING ALTERNATOR POWER OUT PUT SHOULD BE 13.5 - 14.5 VOLTS WITH ENGINE RUNNING IF NOT ALTERNATOR BAD.CHECK ALTERNATOR BATTERY FEED WIRE CHECK ALTERNATOR VOLTAGE REGULATOR WIRES AND CHECK ALTERNATOR FUSE AND MAKE SURE DRIVE BELT NOT LOOSE.BESURE TURN OFF RADIO BEFORE REMOVING NEGATIVE BATTERY CABLE TO KEEP FROM LOSING RADIO CODE.
for some reason it is not charging the battery, I would say alternator(take it to an auto parts store and they can check it out for free) but since it is new does not mean good. The only other thing is that the belt(s) are loose. I hope this helped Tim
Check your Belts first to see if they are loose, worn or slipping.
Check your Battery Connections. Take off the Cables and clean both the Battery Post and Cables with a Battery Cleaning Brush.
The Battery Starts the vehicle and runs nominal operations.
The Alternator provides the electricity to Run the Engine. It also provides a small trickle charge to the Battery, recharging it.
If the Alternator is failing, it will draw electricity from the Battery, until eventually the Alternator will fail and deplete the Battery, rendering the Battery (and veh) Dead.
A great way to check the Alternator is to:
1) Start the Vehicle.
2) With the Egine Running, Disconnect the Negative Cable from the Battery.
3) If the Engine Dies, then the Alternator is bad and needs to be replaced.
The Last possibility is the Battery is old, losing it's charge, or losing it's capability to be charged. If your Battery has rectangular caps on top, carefully remove one-cap-at-a-time; and using a Ball Float-Bulb Tube Battery Tester check each cell (hole). More than 2-cells (out of 6 cells) below 50% constitutes a new Battery. Also check your Battery Fluid Level. Use DISTILLED WATER only when adding Fluid. Remember that Battery Fluid is highly Acidic and causes burns.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
sound like alternator is not charging battery.hook a digital voltmeter to battery.crank engine up.battery voltage should be 13.5 volts to 14.5 volts.with engine running.if not alternator not charging.i warn people head of time.turn off radio before disconnecting negative battery cable.so you wont loose radio playing code.do this if you are going to remove alternator your self.besure let the auto parts place check the alternator first to make it is faulty.if alternator good you have blown fuse or link and the alternator electrical connectors could be damaged.