Alternator type
#1
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Hi,
Just I few hours ago I started getting a "Low Battery Voltage" warning whenever I idled for a few minutes, which would clear after a short drive. I figure it's the alternator or the regulator, but my question is how to distinguish which version I have. I can't see a part number on either part and I know there are three types of alternators (120A, 140A, 160A) and two types of regulators (120A, 140/160A). Is there a way to figure it out without removing the unit?
Thanks!
Just I few hours ago I started getting a "Low Battery Voltage" warning whenever I idled for a few minutes, which would clear after a short drive. I figure it's the alternator or the regulator, but my question is how to distinguish which version I have. I can't see a part number on either part and I know there are three types of alternators (120A, 140A, 160A) and two types of regulators (120A, 140/160A). Is there a way to figure it out without removing the unit?
Thanks!
#2
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If you get some voltage output above battery voltage, it's probably the regulator. You may be able to read the last 3 digits on the regulator with a mirror (which is enough). You've still got to remove the whole thing to replace the regulator.
I found the best price at my independent starter/alternator shop ~$60. I also tested the diodes during the repair.
Don't forget to check the cables and battery connections for crud and integrity.
Ed
I found the best price at my independent starter/alternator shop ~$60. I also tested the diodes during the repair.
Don't forget to check the cables and battery connections for crud and integrity.
Ed
#4
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jollygoodgold
Volvo 850
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07-16-2007 12:06 PM