ABS and battery light are on and multiple electrical issues

2004 CHEVROLET TAHOE
182,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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CUSHRX7
  • MEMBER
  • 1 POST
Woke up to a dead battery. Jumped it and found the accessory gauges not working. Also the power window switch’s on the drivers door don’t work. Power side mirror does work. ABS and battery light are on. Radio does not have any volume as well.
May 30, 2019 at 1:00 PM
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JACOBANDNICKOLAS
  • ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Welcome to 2CarPros.

The first thing to check is the battery itself. If the battery is weak and the alternator isn't working, all kinds of electrical issues can occur.

Here are a few links. I need you to follow them and do some basic testing.

First, check the battery. (link 1)

https://www.2carpros.com/articles/car-battery-load-test

If it checks good, I need you to check the alternator. Follow link 2. This requires the use of a volt meter or a multi meter.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

How to use a volt meter

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Also, make sure the battery terminals are clean and tight.

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

____________________________

Let me know what you find. If you have already done these things, let me know.

Take care,
Joe

https://www.2carpros.com/articles/how-to-check-a-car-alternator
May 31, 2019 at 7:17 PM
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