What does Phantom battery drain on Chevy Suburban mean?

I have had my 1999 Chevy Suburban in to the dealer 4 times for phantom battery drain. We’ll wake up in the morning and intermittently the battery will be dead. No lights left on, no doors left open. the dealer replaced the 4X4 panel once and the battery twice to no avail.

How do you know if your GMC truck battery is dead?

One by one, pull each fuse in your fuse box. Check the multimeter after each fuse pull to see when the amperage draw goes away. Once you find the fuse that causes the amperage draw to go away, you at least know what circuit the draw is coming from.

How to drain a battery on a GMC Truck?

With key off, unhook your positive battery terminal. Put one multimeter lead on the battery terminal and the other on the positive cable. You’re basically making the multimeter part of the circuit. Set the meter to read amps. Now, since its being drained I assume you’ll see some kind of amperage draw.

What happens to the 12 volt battery in a Chevy Silverado?

Our 2004 Chevrolet silverado 1500 doesn’t kill the 12 volt when the truck is shut off, which means if we forget about the radar detector, it will stay on until will either unplug it or the battery dies (hasn’t died yet). Was this answer helpful?

What causes a car battery to drain while driving?

Faulty Charging. If your charging system isn’t working properly, your car battery can drain even while you’re driving. Many cars power their lights, radio, and other systems from the alternator, which can make the battery drain worse if there’s a charging problem.

Can a bad alternator drain a car battery?

A car alternator recharges the battery and powers certain electrical systems like lights, radio, air-conditioning, and automatic windows. If your alternator has a bad diode, your battery can drain. The bad alternator diode can cause the circuit to charge even when the engine is shut off, and you end up in the morning with a car that won’t start.

What should I do if my Chevy Silverado battery is draining?

You’ll want to take a look at your Silverado’s battery posts where they bolt to the battery. If there is a lot of corrosion here, you’re going to want to clean that off with a wire brush. There are also specific battery post cleaners that you can buy. They are usually less than 10 bucks at the local parts store or Wal-Mart.

Why does my Chevy Suburban battery drain while driving?

If your battery is draining while driving, it is almost without exception the Suburban’s alternator that is causing the problem. If it is you should see the battery or alternator light on, it indicates that the alternator is not creating the necessary voltage to charge the battery.

What to do if your Chevy Cruze battery is draining?

If you didn’t see a battery light, and now the vehicle is dead when you go to start it, the first thing that you need to look at is the battery. You can take it up to the local parts store and have it tested.

Why does my Buick Enclave battery drain while driving?

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.

How can I find out if my battery is draining?

Next start removing fuses one at a time until you find the circuit with the parasitic draw. Once you isolate the circuit it’s just a matter of checking the accessories on that circuit. If you have a battery drain it’s easy to find with a DVOM meter. First step is to verify the drain.

What kind of battery does a Chevy Silverado have?

However a stock radio does not take much from the battery. You can’t post conmments that contain an email address. My passenger seat is stuck in recline. It is electric and a 2007 Chevrolet Silverado..

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.

How many volts does a Chevy Suburban battery have?

At 14.75 volts that is actually a little high. A discharged battery that is still good will read around 11.6 volts. Any less than that the battery is trash.

Where can I get a new Chevy Suburban battery?

Replacing your car battery for Chevy Suburban is an investment in your on-road security. Purchase a new car battery from AutoZone today. Fantastic Service! The gentlemen at your store were extremely helpful.

Why is my car battery dead in the morning?

We’ll wake up in the morning and intermittently the battery will be dead. No lights left on, no doors left open. the dealer replaced the 4X4 panel once and the battery twice to no avail. They seem stumped. Any ideas? Well, it shouldn’t be difficult to determine or at least isolate.

At 14.75 volts that is actually a little high. A discharged battery that is still good will read around 11.6 volts. Any less than that the battery is trash.

Are there any recalls on the GM 2003 suburban?

Almost all these GM’s have recalls on the computers. The 2003 has a specific recall that says they have to re-program it for free (you can find it on the net if you trust that method). I don’t. Even if they did this free I don’t trust them messing something else up for a later return no on free recall.

Is there a problem with the Chevy battery?

Called 3 Chevy dealers, they deny that any problem of this nature exists. I have replaced the battery twice and two new alternators installed. I find that I still have a 3.5 amp draw even with alternator cable disconnected. Again, the dealer denies that there is any existing or documented issue regarding parasitic draw on these vehicles.