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.

How to check battery drain on GM Truck?

Click to expand… when this is being done monitor the current draw. then give it 15 min to drop . the draw after 15-30min key out and the doors locked the draw should be below 200MA. now if this is drawing 2 amps for 3 days I would expect the no start due to the battery being drawn down. 2 amps 24 hrs that would be 48amps.. a very high amount .

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 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.

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.

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.

Why is my Chevy Silverado battery losing charge?

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. The battery in my 2004 Silverado has been losing charge when parked for more than a few days. It started a couple years ago.

What does it mean when your car battery is draining?

You may have had AAA or a certified mechanic check the charging system, and find both the battery and alternator to be functioning properly. Well then, there is something electrical in your vehicle that is draining your battery and that is what we call a parasitic battery draw.

When to look for a parasitic battery drain?

A parasitic drain is when an electrical device is using battery power when the car is closed, and the ignition key removed. Therefore, when doing this test make sure that the dome light, under hood light, trunk light, etc. are off.

What should I do if my Chevy Trailblazer battery is randomly draining?

Test the battery spark with each new fuse. When it sparks, you’ve found the circuit with the problem. For the time being, if it’s a peripheral circuit like the cigarette lighter, you can just leave that fuse out — or you can remove the fuse when you park the car.

What kind of battery does Chevy Trailblazer have?

It’s a 2015 Chevy Silverado 3500 with a 6.0l v8 with a huge parasitic battery draw (battery dies in less than a day of sitting). Check out the link below, it details step by step on how to check your car battery failure.

What to do if your Chevy Trailblazer has a short circuit?

Probably a short circuit somewhere. Take the positive battery cable off. Then touch it to the terminal — if there’s a spark, there’s a short somewhere. Now go to the fusebox. Take all the fuses out (draw a picture so you know what fuse goes where). Install the fuses one at a time. Test the battery spark with each new fuse.

What to do if your Trailblazer drains the fuse?

Trace it to the fusebox, and the harness points coming out of the fusebox. Look for evidence of electrical discharge— melted spots or sooty spots. Break out your ammeter and set it to a range appropriate to measure small (ish) DC currents (under 10 amps). Measure the current flowing through the “hot lead” into the fuse panel.

Why does my Chevy Suburban stop while driving?

Battery is fine because all power still works. After waiting ten minutes or so will start again only to drive a few miles and engine stops again. Any clue? I am working on a 95 with a 5.7 engine.

Can a Chevy Suburban LT die while driving?

I have a 2003 Suburban LT and it has started to die while driving and the Air Conditioner stops blowing cold air and the air gets hot as if the A/C weren’t on. I have replaced the battery and have had the alternator checked, it’s not the battery or the alternator, does someone know what it might be?

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.

Why does my alternator run when I Turn Off the car?

Generally, an OEM harness will not have the problem of alternator “run-on”, as there is usually a resistance wire in the dash harness to keep this from happening. Solution: To figure out where the problem exists, start the car and with the key in the ON position and the car running, turn off the key.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Why does my car not start after I replace the battery?

Evaluating Your Car’s Key Systems for Possible Failure. There are many other possible problems that could lead to the fact that, after you’ve replaced the battery, the car won’t start. One or more of several key systems might not run properly, or there could be a serious malfunction with the electrical system.

What to do if your car won’t start?

If you’re thinking “Replaced battery, car won’t start,” and you know the problem is an incompatible car battery, you have to get informed about the type of battery you need to use by checking a size chart that has the required information. Find an Advance Auto Parts store close to you.

What happens if your car battery is dead?

And what if your car won’t start because of a dead battery? It isn’t a far-fetched possibility, since high-tech vehicles that have computers on monitoring systems need recharging — and if left alone, the battery of such a vehicle could die in about two weeks. So, if you end up in this situation, what are some solutions?

What are the signs of a bad starter relay?

Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter. Alternator – The alternator is designed to power all of your car’s electrical systems when the vehicle is running. It also recharges the battery.

Are there service manuals for the Chevrolet Suburban?

These guides will support all those who already own a Chevrolet Suburban car or buy it in the near future, owners and managers of car-care centers who set the task to increase the profit of the organization, which means that the productivity and quality of employees’ work should increase, including due to excellent technical literature.

Where is the fuse box located on a suburban?

The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column. The underhood electrical center is located on the driver’s side of the engine compartment near the battery.

Battery is fine because all power still works. After waiting ten minutes or so will start again only to drive a few miles and engine stops again. Any clue? I am working on a 95 with a 5.7 engine.

Why did my Chevy Suburban battery die while driving?

It actually drains the battery, so like myself you just went out and bought new battery, this problem of frayed wires that the GM distributor KNOWS about, drains your brand new battery, and even with a jump you have no or extremely reduced engine power, (even says so in dash message)…

What causes a Chevy Suburban engine to stall?

Stumbling and poor idle can be caused by air or fuel starvation so make sure that those filters are OK. I think that my own problem is caused by dirt in the fuel tank plugging up the fuel intake screen. I think the dirt falls off when the engine is shut off.

What should I do if my Chevy Suburban dies while driving?

’95 Sub (5.7L, 4wd) recently began dying while driving (low speeds, turns, upon parking, etc.). Fuel filter replaced this weekend – drove fine – for awhile. I found much debris in old filter – could new filter already be plugged-up? Should fuel pump be checked/cleaned/replaced? Electical seems okay (wires, battery, etc.)

What happens when you change the battery in a Chevy Tahoe?

I am sure some (or all) have heard of this problem, but I need some help because its driving me nuts! I installed a new battery in my wifes 2002 Chevy Tahoe. Immediately afterward, the controls would only blow heat through the defrost setting, no matter what the dial was set to.

Why does my AC not turn on after a battery swap?

Immediately afterward, the controls would only blow heat through the defrost setting, no matter what the dial was set to. Also, when I tried the AC the light on the button would just blink and never turn the AC on. Its a real pain in the butt that this happened just from a battery swap!!! I’ve never heard of that problem.

Why does my car battery draw power in the morning?

If you know the battery is good because it has been replaced recently and it’s dead in the morning there is an electrical draw causing this problem. There are several “live” electrical circuits that bypass the ignition switch that can draw electrical power when the key is in the off position.

What does it mean when your car battery is dead overnight?

You go out to your car and the battery is dead overnight, this can be frustrating to say the least especially when you are late to work or got the kids ready for school and ready to leave. When the battery looses its charge in the morning you could have a voltage drain in the electrical system which is called a parasitic draw.

Is the battery on my Chevy Silverado 1500 dead?

Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500. Vehicle will not start while using the key at times; as if the car battery is dead. Other times it does start; will go a month of no issues and then starts doing it again.

When does the battery drain on a Chevy Tahoe?

My 2007 Tahoe has drained the battery twice when sitting with the engine off, key in accessory position and the DVD playing. The first time was after 30-40 minutes. Today it happened at a drive in restaurant after no more than 15 minutes. The tow truck driver told me he had the exact same call the day before.

Are there any problems with the Chevy Silverado 1500?

The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500. Vehicle will not start while using the key at times; as if the car battery is dead.

Is there a problem with the Chevy Silverado battery?

Do not buy a Chevy Silverado, burns oil. All this started at about 10,000 miles. I have had this problem with my 2009 Silverado since I purchased it used with about 36000 miles on it. The battery won’t have enough power to start the truck. Original battery was replaced last year but the problem persists.

When does the battery drain on a 2007 Chevy Tahoe?

Anyone else have insight? My 2007 Tahoe has drained the battery twice when sitting with the engine off, key in accessory position and the DVD playing. The first time was after 30-40 minutes. Today it happened at a drive in restaurant after no more than 15 minutes. The tow truck driver told me he had the exact same call the day before.

Is the battery on a Chevy Tahoe sidewall?

No battery should be designed with sidewall terminals. It’s just common sense – liquid leaks out of the cracks and poor seals at the sidewall terminal locations. There are a disproportionately large number of leaks and other problems from these Delco side terminal battery.

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.

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..

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.

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 car battery charge but not charge?

Alternator problem occur because the alternator charges the battery when the car is running. If you jump the battery and it only remains charged for a little while, that’s a positive sign of a faulty alternator. However, it’s very important to have your car thoroughly inspected before you replace anything.

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.

Is it possible for a car battery to go bad?

More often than not though, the vehicle is completely fine other than a battery that’s acting up. Car batteries are probably the most volatile component in the car, and it doesn’t take much for them to go bad. They only have a shelf life of a few years, and they’ll die quicker because of things like disuse, corrosion, and faulty connections.

Why does my car battery not charge when I jump?

1. The battery is old Car batteries get old, and when they’re old, they stop working as they should. At this point your car won’t charge when jumped; it’s died on you. You’ll need to get your battery replaced as soon as possible.

What to do if your car battery won’t charge?

At this point your car won’t charge when jumped; it’s died on you. You’ll need to get your battery replaced as soon as possible. You can typically tell if your battery is in need of replacement (corrosion is a good indicator), but if you’re confused, don’t hesitate to take your car in for full-service battery replacement in Sugar Land. 2.

What happens when you disconnect a car battery?

When you disconnect your car battery you’ll have to reconnect it before you can drive. This can be inconvenient, or in the case of an actual emergency, it can be a serious problem. When you start your car and let it idle so the battery can charge you won’t have to worry about disconnecting or reconnecting anything.

What happens if you leave your car charger on all day?

First, when you leave your car battery hooked up to a charger 24 hours a day it will overcharge it and diminish its capacity to hold a charge. This will cause your battery to wear out more quickly, and since car batteries are rather expensive this is something you want to avoid.

When did I start having problems with my Suburban?

I started having problems with my suburban in december.I have 190,000 on the vehicle, original everything. I replaced the starter and battery. I still had long cranks before starting. I replaced the cap and rotor started up and moved it up 10 feet and turned it off. Tried to start it and it just cranked.

What kind of alternator does a 2004 Chevy Silverado have?

I am trying to order an engine belt, tension pulley & idler pulley from RockAuto.com for my 2004 Silverado, extended cab Z71 offroad with 5300 engine. It has two listings for the parts, one for a 105 Amp alternator & different parts for a 145 Amp.

How to tell the difference between bad battery and bad alternator?

Bad battery or bad alternator symptoms, how to tell the difference (brief) not charging. – VOTD – YouTube Bad battery or bad alternator symptoms, how to tell the difference (brief) not charging. – VOTD If playback doesn’t begin shortly, try restarting your device.

Do you need a multimeter to check your alternator?

A multimeter measures voltage as well as other electrical properties such as current and resistance. You want to measure voltage when you’re checking your alternator. Check the battery first. The battery is needed to start the vehicle, which, in turn spins the alternator at sufficient speed to keep the battery charged.

What causes an alternator to go over base voltage?

If you are getting more than 2 volts above base voltage, most likely your alternator is over-charging the battery or the battery is faulty. Other potential problems are a faulty voltage regulator or a problem in the charging system wiring.

How to stop battery drain on Chevy Tahoe?

If so start removing fuses one at a time -the fuse that turns off the light is the trouble circuit. Then break out the electrical wiring diagram. In the event you removed all the fuses and the light is still On disconnect the alternator batt. Feed and the connector-if this one turns off the light-the alternator has bad diodes.

How to know if your alternator is working properly?

1 Check the drive belt or serpentine belt. Look for signs of wear or damage like cuts, shiny spots or missing chunks under the belt. 2 Also, check the belt tensioner for proper operation and damage. It should rotate freely. 3 Make sure the alternator is properly mounted. 4 Check the alternator for noises.

How to check for parasitic battery drain in a car?

Attach a multimeter (set the dial on the multimeter to measure Amps as per multimeters instructions) between the negative cable and the negative battery post. Wait a few seconds to several minutes for the car to go into sleep mode — i.e. when you make the contact with the ammeter, the car’s computer systems “wake up.”.

How does the battery drain on a Chevy Tahoe?

Install the ammeter between the battery and the battery cable. A jumper wire needs to be connected in parallel to the ammeter to reconnect the battery at the same time the meter remains installed. Both the ammeter and a jumper wire are connecting the battery cable to the battery at this time. This allows the vehicle to power down (go to sleep). 3.

What should I do if my car battery is draining?

Wait 30 minutes. Turn the ammeter on. Remove the jumper wire, being sure that the ammeter does not come disconnected. This is now the actual vehicle’s battery drain. 4. If the draw is more than 50 mA (.050 Amps), remove the fuses one at a time to locate the source of the drain.

Why does my 2003 suburban battery keep draining?

The battery on my 2003 Suburban keeps being drained. I charge it up to 12+ volts and overnight it drains to about 5-6 volts. I believe I have ruled out a bad battery as I have switched it with another vehicle and the problem stays with the Sub.

When does a Chevy Silverado 1500 battery drain?

I have the annoying battery drain when my 2003 chevy Silverado 1500 is sitting for three to four days. I did the amp test and found a 2.17 amp draw with everything shut down and key out of ignition.

Is there a problem with my Chevy Suburban?

I’m trying to diagnose an ongoing ignition problem with a 1996 Chevy Suburban. Sometimes it won’t start, and the previous owner said this happens regularly, and every time the problem occurred, replacing the distributor cap made it work again.

How to diagnose ignition problems with 1996 suburban?

Something which might help you diagnose the issue better is to do an old school trick on your just replaced distributor cap. This would be to generously spray the inside of the cap and the rotor with WD-40. Many people use this as a lubricant to help with stuck nuts and such.

What kind of engine does a 1996 Suburban LT have?

Ok, we have a 1996 Suburban Lt with a 5.7L engine. We have had a few repairs but nothing this complicated before. We are driving down the interstate and suddenly the truck dies.

Are there any problems with my 1996 suburban?

Since, it has been driving better than when we first bought it in 2008. The only problem we have had is some bad gas due to some dirt or something from syphoning the gas into 4 cat litter buckets and 2 5-gallon buckets.

Are there any electrical problems with my Suburban?

With another truck, I’ve had problems with a coolant leak letting traces of anti-freeze into the distributor cap and causing the exact same problem this truck had… difficulty starting in damp weather with a cold engine.

How can I find out if my battery is draining?

Replace the fuse and disconnect each lamp, heater, or electrical device one at a time. Flip all of the switches that correspond to the components as well. Watch for the reading on the multimeter to drop to find out which component is causing the drain. For instance, say the offending fuse controls the power antenna as well as the radio.

How to get rid of negative battery drain?

Remove the negative battery cable from the negative battery terminal. Find the negative cable, which will be marked with a minus sign (-) and may have a black cover over it. Remove the cover, if applicable, and use a wrench to unbolt the negative cable from the terminal.

Why is the battery draining on my GM suburban?

The lights could not be seen even in the dark with the mirror cover closed and the visor in the full stow position. This doesn’t seem like a lot of drain but those 4 tiny bulbs would drain the battery too low to kick on the starter solenoid in one night.

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.

When was the first time a Chevy Silverado battery went dead?

First time the battery was dead was four months after the new 2007 Silverado was purchased. The dealer replaced the battery. The second time a year and half later the battery was dead. The truck had to be pulled in and the dealer replaced the battery again.

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.

What kind of battery does a 2004 Chevy have?

The other plug in,it’s DC10A Input jack.And I have the knob set to DCV Funtion.I have 1 meter end to neg cable and the other meter end to the neg battery post Ok I switched it over to the DC 10 amp input and it started at 74.5 but after a few minutes it went down to 70.1 and dropping slow.

How much does a Chevy Silverado battery drain?

If you use a test light, it should light up for a couple seconds & then go out IF there is no draw. As far as how much of a draw will drag your battery down, depends on how good your battery is. As little as 1/4-1/2 amp draw will drain a marginal battery.

Why did my 2004 Chevy Tahoe battery drain?

You need to have your computer software (firmware) updated. My ’04 Tahoe did the exact same thing, starting the first time I brought it home. The battery was so flat after 3-4 days of not being driven that it appeared to be totally disconnected.

Why does my 2007 Chevy Silverado not start?

– YouTube 2007 Chevy Silverado Will Not Start? Thought It Was A Battery Problem? If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

What to do if your car battery light is not working?

Get the alternator or wiring fixed, and properly recharge the battery at the same time. The folks at AutoZone can always help with battery and charging system issues, both on the car, and with the parts off the car.

Why does the battery light come on when the engine is off?

When you first turn on your car with the engine off, the battery light will illuminate and this is normal. If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system.

How long does it take for a battery light to go off?

The exact amount of time that your car will be able to function with the battery light on depends on many factors, but assuming that the alternator is the issue (this is the most common issue) it is likely that your car will lose battery power after 30 minutes to an hour of driving.

What does it mean when Battery Light comes on while car is running?

What to do if your car battery light comes on again?

Tip: Try starting your car in a safe location, if the battery light comes on again, do not drive it. Shut off the engine and open the hood to see whether the serpentine belt, alternator or battery have any problems that can be identified visually.

What does it mean when your Chevy Suburban won’t start?

This just means that the engine doesn’t move when you turn the key. The second way that your Suburban won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own. When the engine isn’t turning over at all, that’s a bit easier to diagnose than when it is cranking but not firing.

Why does my car not start with a new battery and alternator?

With a new starter, battery, and alternator (assuming you have not drained the battery attempting to start it), the starter should attempt to crank over the engine. If the starter does not make any noise when the key it turned to crank over the engine, you have an issue with the fuses, or the circuit.

How can I tell if I have an alternator problem?

To differentiate an alternator problem from the battery, you will need to use a voltmeter to check for voltage. First, turn off the engine and check the battery voltage. A fully charged battery should have a reading of 12.65 volts. Next, turn on the engine and recheck the voltage. You should have a reading of 13.5 to 14.5 volts.

What causes a Chevy Suburban to not start?

The most common causes that hinders normal starting operation of your Suburban are dead key fob battery, dead 12v battery, corrosion on battery terminals, bad alternator, clogged fuel filter, broken starter, blown fuse, empty gas tank, immobilizer error or any fault in the electrical system. 1. Weak Battery

What should the voltage be on a Chevy Suburban battery?

The voltage of the battery on your Chevy Suburban can be measured precisely with a multimeter. Before the test, the multimeter is set to the voltage range of the battery and connected to its plus and minus poles. Successful testing of the car battery, i.e. checking the voltage, usually results in values of approx. 12 to 13 volts.

What should I do if my alternator is not working?

The solution is to check your car’s manual for the particular fuse that controls the alternator and replace it. In some cars, you might also find another small fuse to the alternator’s control—usually a 15A to 20A fuse. An alternator does usually has 3 or 4 wires to it to function properly.

What to do when your battery light comes on while driving?

If the battery light comes on while the engine is running and the vehicle is being driven, this indicates a problem with the charging system. Step 1: Turn off everything that draws power.

Why does my battery light not come on when I start the car?

Excessive corrosion at the battery terminals can cause a low voltage condition which makes the starter turn slowly when trying to turn on your vehicle, but it will not illuminate the battery light if the alternator is charging properly once the car is started. Step 4: Secure the clamps on to the battery terminals.

When does the battery warning light come on?

May 25, 2016. The battery light or charging warning light, available on the dashboard of your car, indicates malfunctioning or poor charging of the battery. This light illuminates whenever the charging system does not charge the battery with a voltage above approximately 13.5 volts.

What should I do if my radio battery starts to drain?

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. Was this answer helpful?

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.

Is the problem the car battery or the alarm?

After changing the battery the alarm system is not working. The remote key system is working to lock and unlock the car, but alarm system is not working. I have a 14-year-old Code Alarm, but the remote will not allow me into the car. If I open the door will the alarm go off? Is the problem the car battery or the alarm?

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.

Why does the battery light come on after the alternator is replaced?

This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.

Is the ground fine going to the alternator?

Yes the ground is fine going to the alternator, both battery terminals are cleaned on both ends. At the connector level at the alternator no residue, plug looked fine. On very first event 3 weeks ago, the very first sign of battery being lit up at higway speed, I had both battery terminals with green deposit.

What was the problem with my alternator going out?

I was thinking that the problem was probably the alternator and as I was trying to get to my house the instruments began to go out. First the tach, then the speedometer, and then the accelerator pedal was unresponsive. I was able to limp for a little while, but it eventually totally quit.

This would make the Battery Light come on. It is also possible that there is a problem with the fusible link or the alternator fuse for the charging system.

Is there a problem with the alternator in Liberty?

Discussion in ‘ Liberty ‘ started by jonahb1987, Jul 10, 2019 . I recently had a breakdown. At first we thought it was the alternator, so I bought a new one. Had it installed at a mechanic and the same problem would happen. After being jumped, it would start but putter out in like 4 minutes.

Why is the battery light not turning on?

A weak battery or working charging circuit won’t turn on the battery light. Since you pretty much ruled out the alternator I would make sure to check your fuses. IIRC there are 2 fuses for the alternator (will check my diagram later). If your fuse check comes back fine, you likely have either a cluster problem or wiring problem.

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.

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 should current draw be on Silverado battery?

I checked for draw through negative battery cable and got a similar reading of 1.26 amps average. I pulled every fuse and relay (and let me tell you that it takes a while when you do it by yourself and have to check each one individually!!!) and narrowed my readings to the following (listed as apparent current draw after fuse removed and left out):

Why does my Chevy Suburban battery drain while driving?