What would kill a brand new battery?
Freezing winter weather and hot summer days may cause problems for your vehicle’s battery. Newer batteries tend to have more resistance to extreme seasonal temperatures. But if your battery is older, intense cold or heat could weaken its performance or even cause it to die completely!
What happens if you switch your battery cables?
When the jumper cables are incorrectly connected, the polarity of the electrical system on the vehicle with the dead battery will be reversed for a few seconds. This can irreparably damage many of the sensitive electronic components that are common on today’s vehicles, such as on-board computers and electronic sensors.
Why do my battery cables keep leaking acid?
This is most often caused by the cables being attacked by the sulfuric acid in the battery. Batteries can leak acidic fumes where the battery posts come thru the plastic housing. It gets worse when some idiot at the local discount store beats the battery terminal on with a hammer.
Why do I have to change my battery cables?
However, there are a few things to look for that are dead giveaways that it’s time for new cables! This is most often caused by the cables being attacked by the sulfuric acid in the battery. Batteries can leak acidic fumes where the battery posts come thru the plastic housing.
How much power does a negative battery draw?
Touch a lead to the negative battery cable terminal. Touch the other lead to the negative battery post, completing the circuit within the multimeter, which will display the amp draw. Power draw should be under 50 milliamps. This will display as 0.05 amps.
What causes a car battery to lose power?
If you’ve let your car sit idle for awhile without using it, usually at least two weeks or more, then your battery might have lost enough power that it can no longer start your engine. After a battery starts a car, the alternator takes over and powers the electrical systems of the car and also recharges the battery, which we’ll talk about next.