How long does it take to drain a Jeep Grand Cherokee battery?
1. “Doing the math” will help define the type of battery drain we’re dealing with. If a fully charged automotive starter battery rated at 60 amp-hours is subjected to a constant drain of about .250 amps or 250 milliamperes (mA), it would take ten days to drain the battery to a threshold value of 10.5 volts.
What should parasitic drain be on Jeep Grand Cherokee?
Before we get into this month’s Diagnostic Dilemma, let’s review some points from my March, 2016 column about diagnosing battery drains. As a general rule, a “parasitic drain” of less than 30 milliamps (mA) is normal for most vehicles 15 years old and newer.
What makes the battery drain on a Jeep Liberty?
I also read on a Jeep Forum that the 1995 is known for the under hood light to stay on after the key is turned off and will drain the battery. 20 people found this helpful. Have 2010 Jeep Liberty. Battery died, was charged 2014. Battery died again, replaced 2015. Only 12,000 miles on jeep.
Why does my Jeep Grand Cherokee have a flat battery?
Jeep have also done many software upgrades after the installers of the modem disconnected it, removed the battery, reconnected the modem then reconnected the battery. This way it all shut down together. On the last check from Jeep, the computer readout still says the radio (buss) is open but it’s still going good.
Why does my Jeep Cherokee battery drain while driving?
If it is draining while your Cherokee is off, it’s usually caused by something that is drawing current that shouldn’t be. If the battery is draining while you’re driving, that is probably going to be the alternator or battery. There are other situations as well. We’ll cover those for you below.
Before we get into this month’s Diagnostic Dilemma, let’s review some points from my March, 2016 column about diagnosing battery drains. As a general rule, a “parasitic drain” of less than 30 milliamps (mA) is normal for most vehicles 15 years old and newer.
What kind of battery does a Jeep Grand Cherokee have?
A 1998 Jeep Grand Cherokee has gone through 3 batteries in the last 3 months. While they have all been replaced by warranties, it’d be nice to get the problem solved permanently. I’ve tested the alternator, and it’s not defective.
What to do when your Jeep battery goes out?
Woot Woot! OK, the quick and dirty was is as follows; disconnect negative cable, connect a test light (12v bulb type) to the negative battery post and then to the negative cable. If connected right, the test light should light up, then start pulling fuses to see when the light goes out, bamo, short found.
How can I tell if my Jeep battery is draining?
Remove the negative cable of your battery, connect the tester to the negative side of the battery and to the negative cable of vehicle. The light will come on if there is a drain somewhere. If there is, remove fuses 1 at a time. Every time you remove a fuse, check the light.
Let’s look at a brief diagnostic history of a module draining the battery on our second case study, which again is a 1998 Jeep Grand Cherokee that happens to be owned by the same person as our first case study.
Let’s look at a brief diagnostic history of a module draining the battery on our second case study, which again is a 1998 Jeep Grand Cherokee that happens to be owned by the same person as our first case study.