Why does my GM Truck have a dead battery?

After digging between the seats and center consol I found the remote and as I thought it was in the on position, if the radios on the CD player still works and for some reason unknown to me now 12 years ago I wired it through a battery hot instead of the fuse box. Turn the remote off and no more dead batteries, amazing how that works.

What causes a battery to go dead on an ECM?

Battery drain or dead battery A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the battery, which will eventually cause it to go dead.

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 should I do if my car battery is draining?

If you can’t find the cause of the battery drain, a manual draw check of the electrical system will need to be performed. With the ignition key in the off position and the doors closed (driver’s side window down) disconnect the battery cable on the negative side.

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 Chevy Silverado battery drain while driving?

If it is draining while your Silverado 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.

How to find an automotive parasitic draw dead battery?

At night look under the vehicle to check for light near the engine bay, to fix this problem replace the light assembly. If you can’t find the cause of the battery drain, a manual draw check of the electrical system will need to be performed.

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.

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?

Even small drains, like the memory function in your car radio, may kill a very weak battery. Corroded or loose battery connections. Corroded battery connections can prevent the charging system from topping off your battery when you are driving. Loose battery connections can also cause problems.

What causes a car battery to run out of power?

1 Your battery may have reached the end of its service life (often 4 or 5 years). 2 A parasitic drain is depleting battery power. 3 A problem in an electrical system is affecting battery power.

What should I do if my car battery dies?

Not really suggested to use jumper cables for this situation as it can damage the other vehicle. If you need further assistance with opening your hood with the battery dead, then seek out a professional, such as one from Your Mechanic, to help you.

Can a jumper cable be used to unlock a car?

This will give the battery enough power to unlock the doors and pop open the hood. Then unplug the battery charger and unhook it from the car. Not really suggested to use jumper cables for this situation as it can damage the other vehicle.

Why does my car not open when the battery dies?

This prevents the doors from opening during an event of power loss during an accident. This happens, but the mechanical key should still open the doors.

What to do if your DVOM battery drains?

Remove the negative battery cable from the battery and attach a jumper from the negative battery post to the positive lead of the DVOM meter set to Amps. Next attach a jumper from the negative meter lead to the battery cable. <Note that most DVOM meters have a built in 10 Amp Fuse.

Do you need a multimeter for a GMC truck battery?

You need a multimeter. 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.

What happens when you replace one battery in a Duramax?

When you replace one battery, the other battery will be pulling the new battery down in an effort to pull the weaker battery up. What will likely happen is the older battery will fail eventually, and then it will be replaced, and the process will start all over again. I got 5 years out of my 1st set of batteries and I was very pleased.

Is the battery on my Silverado 3500 too low?

I just purchased a 2006 Silverado 3500 and the other night I was putting in the wiring for the GPS, Ipod interface, etc. While doing this I left the headlights on for no more than 10 or 15 minutes. When I got everything back together I went to start it but the battery was too low to crank the engine.

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.

Why does my GM Truck have a dead battery?