Why does my car keep burning up alternators?

Asked by Guru9NTT9S Jan 21, 2022 at 05:44 PM about the 2009 Mitsubishi Galant ES

Question type: Maintenance & Repair

I have put three alternators in two new batteries in my
Mitsubishi Galant and it keeps burning their alternators up

2 Answers
307,545

Gene answered 2 years ago

Could be corroded wiring or a computer issue. Check voltage output from the alternator and compare it to the actual voltage at the battery. The voltage should not exceed 14.8 volts running. If it reads higher than that then you have a charge control problem in the ECM. A re-flash might fix it but only a dealer can say for sure.

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