How to fix a GMC Sierra 1500 HD battery drain?

How to fix a GMC Sierra 1500 HD battery drain?

This will give power to all the computers and let them power up and shut down. Install all the fuses, disconnect the battery and connect your amp meter in line with the battery. check the draw, wait about 10-15mins for all the computers to power down and then recheck the amp draw. If there is too much, start pulling the large fuses.

Are there any problems with the GMC Sierra 1500?

GMC Sierra 1500 owners have reported 6 problems related to battery dead (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.

What causes a GMC Sierra Battery to die?

Something is drawing power from the battery causing it to be dead. After recharging the battery, the check engine codes read that there is a problem with �brake light illumination. � help in determining wha t is causing the battery to die on such a new vehicle would greatly appreciated!

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 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.

What can I do about my Chevy Silverado 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. Two weekends ago, I finished up the pre-winter maintenance on my truck.

GMC Sierra 1500 owners have reported 6 problems related to battery dead (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.

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.

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.

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.

This will give power to all the computers and let them power up and shut down. Install all the fuses, disconnect the battery and connect your amp meter in line with the battery. check the draw, wait about 10-15mins for all the computers to power down and then recheck the amp draw. If there is too much, start pulling the large fuses.

Why is the battery light on on my GMC Sierra?

If your Sierra’s battery light came on while you were driving, but before you parked, it could be the alternator. 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.

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.

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.