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2001 mitsubishi montero sport 4wd battery and brake lights are on.

2001 mitsubishi montero sport 4wd, 3.0 engine. Battery and brake lights are on, the serpentine alternator could cause this problem? When reaching the 2,000 RPM the warning lights for the charging system and brakes is turned off, when the RPM come down again these reappear.

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  • Cars & Trucks Master
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I doubt it is the belt because if the belt is slipping you should hear it.
The alternator could be about to crash and not charging at lower speeds.
You would check alternator output to find out.
The battery and brake warning lights are on the same circuit.

Posted on Jan 21, 2013

  • Junnior Fernandez Jan 21, 2013

    Thanks for the advice I'm going to check the charging system first thing in the morning the alternator is new but it could be defective. would not be the first time.

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Posted on Jan 02, 2017

SOURCE: 99 mitsubishi montero sport

So where all 3 Alternators returned & tested?

Do you have wiring diagrams out ready to go
& a volt meter to start your testing?

Posted on Dec 14, 2012

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