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Why is my 2004 Ford Expedition experiencing an issue with battery drainage?
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If the 2004 Ford Expedition is experiencing alternator issues, there will be noticeable signs. One primary indicator is a dead battery. Although a dead battery itself doesn't always indicate a bad alternator, a faulty alternator is a common cause of battery failure. If the battery hasn't completely died, you may observe dim or malfunctioning instrument panel display, along with flickering and noise due to fluctuating power supply. The cost of replacing the alternator typically ranges from $300 to $500, covering parts and labor. While this may seem expensive, it's essential to address the issue promptly to avoid additional expenses. Delaying the replacement could lead to battery damage within a few weeks, costing around $100. If you opt to replace the alternator yourself, you will need to remove the clamps and pull it out, but the process is conveniently located at the front and easily accessible.
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Battery drainage usually happens when something stays on longer than it's supposed to. In the 2004 Ford Expedition, a frequent cause is the rear windshield wiper motor. If the wiper doesn't park correctly, the motor might keep running non-stop without actually moving the wiper.
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