What You Should Know About the Dodge Ram Battery Draining Problem

Here’s everything you need to know to fix your Dodge Ram’s battery draining problem.
Written by Talullah Blanco
Reviewed by Melanie Reiff
Updated on Jan 01, 2023
The Dodge Ram battery draining problem may be caused by corroded battery cable posts, a bad battery, or a faulty alternator. Figuring out the cause of the problem can be difficult, but the solutions are usually affordable.
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What causes the Dodge Ram battery draining problem?

Dodge Ram owners have reported their battery draining overnight, when it sits unused for a few days, and even while driving. You’ll have to find the source of your battery draining problem before you can fix it. 
Does your car battery drain while driving? You’ve likely got a faulty alternator that is not properly charging your car battery. 
But if your battery drains overnight or when it sits unused for two to three days, then you may be dealing with corroded cable posts (if you’re lucky!) but you most likely have a bad car battery that needs to be replaced. 

How to fix the Dodge Ram battery draining problem

Before you try and fix your Dodge Ram battery draining problem in your garage, have it properly diagnosed by a trusted mechanic. It’s recommended you leave your car with a professional technician for a few days so they can observe the battery drain and identify the cause.
If the source of your battery drain is your alternator, then it will need to be replaced to fix the problem. Dodge Ram
alternator repair or replacement cost
is anywhere between $375 and $586, depending on the shop you go to. You can purchase an alternator from your local auto parts store and replace it yourself to save money on labor costs. 
Follow these steps to replace your alternator:
  • Remove your car battery
  • Disconnect alternator wires 
  • Remove the belt from the pulley
  • Unscrew the bolts connecting the alternator to the bracket 
  • Remove the old alternator
  • Install the new alternator by reversing the removal steps
If replacing the alternator doesn’t fix your Dodge Ram battery draining problem, you’ll want to check out these possible causes:
  • Your car lights were left on and they are draining power when they shouldn’t be
  • Corroded battery posts need to be cleaned with a wire brush
  • Your car battery has gone bad

How to save money on Dodge Ram insurance

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