I think I need a new alternator
#1
I think I need a new alternator
Last night the brake, ABS, Battery, and Temp. lights came on. Sometimes they would turn back off when I hit the brakes. The display screen in the center of the dash flashed a warning 'irregular voltage,- system will shut down in 7 seconds' and shut itself off for a couple minutes and come back on. It repeated this several times before I got home. The vehicle functioned normally. The only possible odd thing was that possibly the head lights were brighter than normal. I was driving through a rain storm so it was hard to tell.
This morning I put a volt meter on the battery, which is only a few months old. Battery while not running was 11.3 which indicates to me it was drained during my drive home. When I first started it up it registered 14.5 - 15.5 and there were no warning lights on the dash. After a minute or two the warning lights came on and the voltage fell to 12.
Thats the only thing I had time to do. I looked at the fusible links next to the battery and they appeared fine.
I'm thinking the voltage regulator on the alternator is shot. What else should I check before I buy a new alternator?
This morning I put a volt meter on the battery, which is only a few months old. Battery while not running was 11.3 which indicates to me it was drained during my drive home. When I first started it up it registered 14.5 - 15.5 and there were no warning lights on the dash. After a minute or two the warning lights came on and the voltage fell to 12.
Thats the only thing I had time to do. I looked at the fusible links next to the battery and they appeared fine.
I'm thinking the voltage regulator on the alternator is shot. What else should I check before I buy a new alternator?
#4
Thanks!
Anyone know the amperage specs on an oem alternator? Mitsubishiparts.com doesn't list any details. They do sell the voltage regulator separately but it will only save me ~$40. Others listed on the net range from 80 amps to 150.
Anyone know the amperage specs on an oem alternator? Mitsubishiparts.com doesn't list any details. They do sell the voltage regulator separately but it will only save me ~$40. Others listed on the net range from 80 amps to 150.
#7
Good call. If you have oil leaking on top of the new alternator, your problems will be right back.
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bedjemp
Mitsubishi Montero & Montero Sport
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05-19-2005 02:02 PM