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Re: 2001 V10 FUEL , MY TRUCK WONT START AND WHEN IT DID...
Yesterday I found the negative cable had fell out of the post terminal. fixed that jumped the battery and got it to start. ran for a while, then shut if off and started again this shortly after. started fine. woke up this morning to the same problem. tried to jump. interior light won't even illuminate with jumper cables hooked up
Connect a voltmeter across the battery terminals. While engine off, if the voltage is below 12V it means your battery is either dead or discharged. Once you've jump-started your car, check the battery voltage again. If it's still low (like below 13.5V) it may mean you have a problem with your alternator.
Let me know the voltages and we'll think what to do next.
you need to check the alternator charge rate as this is the sort of problems associated with a low charge rate , unfourtunately you will need the engine running to do this so get a voltmeter ready for when you jump start the engine and read across battery terminals if reads below 13 volts the alternator needs replacing ,check that the drive belt is tensioned correctly as this would make alternator give low charge,also will need the OBD codes reading after all this going on , the engine doesnt need to be running for this just ignition on ,will give codes for sensor/switch which might be out because of the starting/running problems