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Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 5718
Experience:  ASE master tech for 40 years
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Graves. My 2004 Chevy Malubu Classic's battery light flashes

Customer Question

Graves. My 2004 Chevy Malubu Classic's battery light flashes on and off as I accelerate only. The alternator and the voltage regulator tested fine, and today I replaced the battery which tested having one bad cell. Now what is wrong?
JA: Thanks. Can you give me any more details about your issue?
Customer: My 2004 Chevy Malubu Classic's battery light flashes on and off as I accelerste only. The alternator and the voltage regulator tested fine. Today I replaced the battery which tested having one bad cell.
JA: OK got it. Last thing — Chevy Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: Chevy
Expert:  Roy replied 1 year ago.

good afternoon my name is ***** ***** I will assist

the battery light flashing as you have, indicates a failure in the alternator. it may show good with a voltmeter but there is a bad diode internally that is causing the issue. replacing the alternator will resolve the issue.

Roy

Expert:  Roy replied 1 year ago.

how are you making out

Customer: replied 1 year ago.
I am preparing to buy a rebuilt alternator from O'Reilly's and install it myself following a specific video on U Tube.
Expert:  Roy replied 1 year ago.

ok, sounds good

please dont forget to rate me as it is the only way I get paid for my efforts

Roy