Q: My battery is not holding a charge - 2000 Chevrolet Blazer

asked by on

I'm not being able to keep charge on my truck i took my alternator to get checked that was good took my battery to get checked that was bad so i bought a new battery and it's still not keeping charge what could be the problem please i need answers thanks
My car has an automatic transmission.

Hello. A good step to take is to check all of the cables and make sure they are clean, dry, and tight. Corrosion can be hidden beneath the conduit and may be hard to see. There may also be some kind of parasitic draw on the battery when the car is off. These can come from any electric system on the vehicle.

They will likely come from something aftermarket or possibly from another system known to have issues. Alarm systems, lights, commonly-used switches, and other similar types of systems may all need to be checked. If performing these tests from home, you will need a voltmeter. You may also want some wiring diagrams to help you figure out what wires to check and what exactly to look for.

I recommend having a certified mechanic, such as one from YourMechanic, come to your location to inspect for any electrical problems and suggest the necessary repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. My battery is not holding a charge - 2000 Chevrolet Blazer

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Q: car shuts off

Hello, thank you for writing in. The vehicle's battery is typically not used for much when the vehicle is running. The battery is used mostly for starting the vehicle and completing the charging circuit. Due to the battery seemingly causing...

Q: Replaced spark plugs and battery, and car won't start.

This to me sounds like either an issue with the fuel or ignition system. If the battery was replaced and jumping doesn't help the battery is good. The spark plugs being replaced makes the ignition system is less likely than...

Q: 2010 impala Car shakes when I'm on a stop sign or red light on drive or reverse but not on park or neutral what's the problem?

Hi Alejandro. Thanks for contacting us today. Sometimes when you experience this type of vibration as you've described, it's caused by a damaged input shaft or other components inside the differential. This could also be a loose or damaged engine/transmission...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...