Q: The battery needle oscillating on a 2006 Dodge Cummins

asked by on May 19, 2016

I have an 'O6 Dodge Cummins. The battery needle jumps 8-16 amps. What do I do with it?

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

How do I install a front-facing child restraint with a seat belt?
A front-facing child restraint system that uses a seat belt is easy to install. To do so, follow these quick steps: 1. Place the restraint on one of the rear seats. While you can install a front-facing restraint in the...
Car won't hold battery charge
Hello. If this occurred right after the radio was installed, then you may have an issue with the wiring to the radio. The radio should be taken back out and the wiring should be checked for any breaks or shorting...
Water pouring out of car
Hi there. There are many components that make up your cooling system. A water pump, thermostat housing, and hoses are all common places a vehicle will leak besides the radiator. A loss of excess coolant can cause your engine to...
Error code P0299
The code P0299 (https://www.yourmechanic.com/article/p0299-obd-ii-trouble-code-turbo-supercharger-underboost-condition-by-spencer-clayton) is for an underboost condition, where the computer wanted more boost but only received a low output. This code can be set from a weak turbo, intake leaks, or a bad boost sensor. All of these...
How many O2 sensors?
You have 2 oxygen sensors in your Chevrolet Equinox. One located before the catalyst and one after. If you're having any issues with these components, feel free to contact YourMechanic, as a certified technician can help you diagnose and replace...
Have a 2000 Jeep grand Cherokee Laredo 4.0. The voltage gauge is not working and it spits and sputters while alternator is hooked up.
Hi there. If the alternator is causing the volt gauge on the dash to stop working, then the polarity on the wires is backwards. Check the power wire to the alternator and make sure that its hooking up to the...
Engine "Hiccup"
Claimed by Kevin Gainer

Related articles

How to Change a Car Battery
Changing your car battery is a simple and easy automotive repair that you can actually accomplish yourself with the right preparation and...
Electric Cars and How They Work
Electric cars use an electric motor driven by a control unit. Their batteries are filled at charging stations and they produce no tailpipe emissions.
3 Ways to Increase Car Battery Life
Car battery life is 2 to 6 years. Extend the life of your car battery with regular maintenance and turning off the headlights when the engine is off.