Why is my GMC Sierra battery draining while driving?
If it is draining while your Sierra 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 do you drain a Chevy Silverado battery?
Then disconnect the negative cable on the battery,set your multi meter to amps/dc amps.Then take one lead of the meter and connect it to the ground cable that was connected to the battery,take the other cable from the meter and connect it to the negative post of the battery.This way the current flows through the meter.
Why does my Mercedes-Benz battery keep draining?
You try to start your Mercedes-Benz and the car is either completely dead or this happens: Battery drains happen when electronic equipment (consumer units) are constantly drawing current from the battery while the car is parked. One simple example is when lights are left on overnight. But it’s not always as simple as that.
How many amps does a GMC Yukon have?
Experience: 14 years GM dealer Technician. This looks to be over 12 amps which is a huge draw on the battery which isn’t normal.You should sit under 50 milliamp to be normal.
If it is draining while your Sierra 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.
What causes a car battery to drain overnight?
This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn’t. Since the alternator isn’t generating vehicle electricity, the problem component pulls from the battery, slowly draining it overnight until your vehicle won’t start.
What to do if your cell phone battery is draining?
Charge the battery and disconnect it, then check it for a charge the next day to eliminate it as the problem. Then pull the fuses on the radio and turn signals and see if it still drains. Next is to trace the radio and turn signal wires down for shorts.
When to disconnect battery from parasitic drain?
If you’re too busy during the workweek and can’t get to it until you’re off, some short term fixes are to disconnect the battery at night, and carry a portable jump starter in your vehicle.
How long does a Chevy siverado battery drain?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. My 1994 Chevy Siverado has a slow parasidic drain. If I leave the battery connected it will drain in 3 to 4 days. The multifuntion switch is giving me problems too.
When did the GMC Sierra C3 come out?
Introduced as a 2001 model, the C3 was meant to be upscale in terms of trim and technology. To that end, the loaded Sierra enjoyed a number of interior trim upgrades, as well as the Sierra lineup’s first-ever standard OnStar telematics system.
What causes a battery drain in a car?
Also a tiny gap between wires (wires not solidly crimped together) sometimes is not enough to break the circuit like a switch but can cause the voltage to build up to overcome the resistance of the gap and creating even more current flow. Kind of like voltage building to jump the gap on a spark plug, but on a much tinier scale.
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. My 1994 Chevy Siverado has a slow parasidic drain. If I leave the battery connected it will drain in 3 to 4 days. The multifuntion switch is giving me problems too.
Why does my Silverado 1500 battery keep dying?
On my 04 1500 I had a short in the instrament cluster that would kill the battery in a few days if the truck was not driven. If I pulled the fuse to the cluster, the battery would be fine. Later the speedo and tach failed, so I sent the cluster off for a rebuild, problem solved.
How to find the cause of parasitic battery drain?
Luckily, you can usually find the cause of a parasitic draw yourself. Start by connecting a digital multimeter to the negative battery terminal of your vehicle. Then, remove the fuses one at a time while watching for changes in the multimeter’s reading.
What happens to a GMC radio if battery dies?
Chevy and GMC vehicles both feature Theftlock radios which render the stereo inoperable to would-be thieves. The downside of the Theftlock system is that if your battery dies or becomes disconnected, you’ll need to enter the radio code to deactivate the Theftlock system.
Why is my car radio not working after battery installation?
The clock on the radio interface had been reset to 12:00 when they disconnected the battery, but I could not reset the clock to the appropriate time after installation. After doing some research, I came up with two scenarios to look into:
How to unlock your Chevy or GMC radio?
How to Unlock a Chevy Radio. Step 1: Start the vehicle and turn on the radio. Step 2: Press and hold preset numbers 2 and 3 until a three digit code appears on the radio display. Write this code down. Step 3: Press the AM/FM button. Your radio will display a second three digit code. Write the second code down.
Chevy and GMC vehicles both feature Theftlock radios which render the stereo inoperable to would-be thieves. The downside of the Theftlock system is that if your battery dies or becomes disconnected, you’ll need to enter the radio code to deactivate the Theftlock system.
Why does my car radio stop working after I Turn Off the battery?
There are a few different reasons for a car radio to stop working after the battery has gone completely dead. The first, and by far most common, is that the radio has an anti-theft “feature” that kicks in whenever battery power is removed.
Why is my Chevy TheftLock radio not working?
The radio display will read “LOC” and the device will not turn on. Whenever your Chevy battery is disconnected or the battery dies, the Delco Theftlock radio enters the “LOC” mode. Follow these steps and you can reset the anti-theft radio and return the radio to a working state.
On my 04 1500 I had a short in the instrament cluster that would kill the battery in a few days if the truck was not driven. If I pulled the fuse to the cluster, the battery would be fine. Later the speedo and tach failed, so I sent the cluster off for a rebuild, problem solved.
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.
Is there a problem with the battery drain?
There are a bunch of outfits rebuilding these on ebay and various other sites, so it must be a big problem with the clusters. I had a similar problem with the battery draining. Spent hours and hours researching it, more hours trying to diagnose. Bought a new battery, ohm meter, paid for a couple of hours labor in the shop.
Why is the battery on my GMC Sierra 1500 dead?
There were no lights or devices left on after the previous time the truck had been used. Something is drawing power from the battery causing it to be dead.
How do you drain a Silverado Sierra Battery?
Remember the BCM watches current flow and if it detects flow it will wake up. That will wake up all the other modules too. You can buy the disconnect at any parts store. First install the battery disconnect and place the leads of the meter on both sides of disconnect. Lock the truck and wait for the head lamps to go off.
What’s the normal battery draw on a GM car?
About .5-1 amp will kill a battery over night. Normal draw on most GM vehicles is .050 and spiking to .150 amps when onstar checks in. The big problem comes when modules start waking up. That can cause a quick spike to a 6-10 amp draw. The BCM watches for current flow. When the BCM wakes up all the other modules do to.
How long does it take for a car battery to drain?
Im not shocked the LED drained it overnight. Ive seen incandescent dome lights drain a battery enough not to crank the car over in about 3-5 hours no problem. About .5-1 amp will kill a battery over night. Normal draw on most GM vehicles is .050 and spiking to .150 amps when onstar checks in.
Is there a problem with my GMC Sierra?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I’m new here and haven’t been able to use the search function very well but I have a problem with my 04 GMC Sierra.
Do you disconnect the battery on your truck?
I do not disconnect the battery on my truck ever with the exception of extreme cases, working on the starter, air bag system. If I need to reset something, I pull the fuse to that system. The computer does not need any help learning what ever you did to the truck. The actuator has lost its way.
What happens when you disconnect the battery on a Silverado?
If you do disconnect the battery for any extended period let the truck idle for a few minutes after reconnecting the battery. It gives everything time to relearn the things mentioned above. No worries. The only strange thing that I personally have experienced . When I replaced the battery on my silverado the air conditioning doesn’t work.
When to disconnect a battery from a truck?
In cases like routine maintenance such as replacing a alternator or starter where it requires the battery to be disconnected you should be fine. ^^^ everything Bud said. If you do disconnect the battery for any extended period let the truck idle for a few minutes after reconnecting the battery.
What to do if your GMC Truck wont start?
No relearn is necessary. In this situation, the vehicle will start and run with no problem. If the vehicle won’t start, check your scan tool for a VTD (Vehicle Theft Deterrent) Fail-Enable Mode trouble code, or if the security light on the dash is illuminated.
How do you reset a Chevy Silverado after changing the battery?
Chevrolet Silverado 1500 Questions – How do you reset a chevy silverado after changing the battery? – CarGurus How do you reset a chevy silverado after changing the battery? The horn sounds, the flashers are on, the wipers and washers are on and the hich beams are on? How do you reset the system when this happens? Next time use a code saver.