Check the tension on the drive belt can be adjusted to be slack a good indication is when you start up you get a squealing noise from the loose belt, so re adjust, clean the battery terminals
SOURCE: 1998 Ford Explorer
had same problem when my rear wiper motor went out. I had to locate all the rear wiper motor fuses and take them out to stop it. Am now waiting to replace my wiper motor.
SOURCE: 2002 Dodge Ram 1500 ,4.7L V-8 Battery is not CHarging
A lot of Chrysler products have the voltage regulator in the computer. I would check the charging system wiring first for poor connections and if nothing else is found there is nothing else for you to do but change it.
SOURCE: car wont start
I noticed you replace the crankshaft sensor, but not the CAMshaft sensor.
The Ignition module takes the input of both sensors to tell the coil when to energize.
This sensor should come up as an error code when you attach a obd reader.
Even if your light is not on - there may be a code. If it is not your vehicle originally, some people pull the bulb!
SOURCE: Sometimes alternater does not charge battery
Drive the car to the auto parts store and have them test the battery and alternator for proper charge. You probably just bought a dud, even though they are new. Doesn't happen much but does happen.
SOURCE: there is a ground some
It sounds like you have done a whole lot of replacing and not much "diagnosing". Did you chech for battery voltage at the alternator? There should be battey voltage at the large Black/Orange wire that is on the B+ terminal of the alternator. This wire should have voltage all the time. If there is no battery voltage, you most likely have a burned fusible link at the starter relay area.
There should also be voltage at the "S" terminal with the ignition on. If there is no voltage, then check for voltage at the "S" terminal of the voltage regulator. If there is no voltage at the "S" terminal on the voltage regulator then check the "I" terminal on the regulator for voltage.
NOTE: The voltage on the "S" terminal should be 1/2 that of the voltage on the "I" terminal.
If there is voltage on the "I" terminal, make sure your voltage regulator is grounded properly to the fender and retest to see if it is charging the battery. If it is still not charging, disconnect the regulator connector and connect a jumper between the "A" and "F" terminals of the connector. Start the engine. The alternator should now be charging the battery at high voltage (usually over 15 volts) If it does, replace your voltage regulator. If it does not, then you need to check your wiring between the voltage regulator and the alternator.
Please also review this article:
What Else Could Be Wrong?
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