If you can drive it after jump starting the issue is not the alternator. Could be the bcm or the power control unit under the fuse box. Try charging the battery all the way and then disconnect one terminal on it and reconnect it in 5 minutes.
No, it would not be anything to do with the alternator.
My guess would be the body control module, or BCM-a minicomputer under the dash that controls a lot of electrical functions- lights, cabin controls, etc. Not sure if the bcm has anything to do with the air bags, though.
I first was thinking that somehow a part of the fuse panel (the part that has fuses for the things you said would not work) was not being sent power from the ignition switch. Those fuses are only sent power to them and their circuits when the ignition is in accessory or run. But that doesn't explain the headlights coming on by themselves...that is why I am now thinking your problem may be the BCM. You might need a pro to sort it out. Also check with the dodge dealer if any reprogramming is necessary when replacing the BCM. It's up under the dash somewhere, maybe behind the glove box. You would need a voltmeter or multi-meter to do any diagnosing. Also a wiring diagram, and a flow chart or troubleshooting steps...gets pretty complicated...it can be diagnosed to kind of see if the bcm is the problem, but that is often left to a shop or the dealer. Your car has some strange electrical problems. Did that have anything to do with the previous owner selling it?
SOURCE: 1998 dodge dakota v8 magnum headlight problem
headlight switch is overheating ... replace it be sure to check the plug on the harness making sure it did not melt. the design is poor too many wires going thru one switch. It will go bad again and again especially if you do alot of night driving or use your high beams alot.and by no means use any other headlights other then factory issue.
SOURCE: 99 intrepid electrical problems
i have seen an ignition switch cause exact same problems you are having on 1 of these vehicles..needs to be replaced
SOURCE: 2005 Dodge Caravan headlight stay dim when turned on
I belive there is a seperate module for the DRL controll. that may have gone out.
SOURCE: Headlights won't come on intermittently 2005 Dodge Caravan
Quite possibly the switch, Dodge minivans also have a front control module located under the hood, it attaches directly to the underhood fusebox, if a switch doesn't fix it I would look there.
SOURCE: 1997 dodge avenger turn signal probs and location
replace the turn signal switch it self, mine did the same thing with the left turn signal, put in fuse and it will continue to flash... went to junk yard pulled one out of a 97 avenger just like mine, swapped them out and now it works fine. looked to be like some corrosion... to repace: 3 screws under columb, 2 screws on side of signal switch (black plastic side). unplug and replace
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