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1998 Mitsubishi Montero

Tiny
JKP17
  • MEMBER
  • 1998 MITSUBISHI MONTERO
Electrical problem
1998 Mitsubishi Montero 6 cyl Two Wheel Drive Automatic

my a/t battery and brake light stay on and the car dies.
Wednesday, November 26th, 2008 AT 3:56 PM

5 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Check the alternator charge rate, you may have a faulty alternator.

Mark (mhpautos)
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Wednesday, November 26th, 2008 AT 4:13 PM
Tiny
JKP17
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I have a mulitimeter how do I chech the charge rate. Thank you happy thanksgiving
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Thursday, November 27th, 2008 AT 10:44 AM
Tiny
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Hi there,

A basic test is just set the meter on 20V scale, and attach to battery with car running, you want around 14V as a benchmark charging voltage.

Mark (mhpautos)
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Thursday, November 27th, 2008 AT 2:48 PM
Tiny
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What does it meen if the volage is lower or higher than that?
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Wednesday, December 3rd, 2008 AT 1:19 PM
Tiny
MHPAUTOS
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Hi there,

If the voltage is to low the alternator is not working and you are just reading battery voltage, if a lot higher the alternator is working but with a faulty voltage regulator, this is part of that internals of the alternator

Mark(mhpautos)
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Wednesday, December 3rd, 2008 AT 3:08 PM

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