a little confirmation please?

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sjbsuperman1425
Posts: 2889
Joined: Tue Nov 06, 2007 2:24 pm
Car: 1989 Nissan 240sx
CA18DET
Location: Bay City, MI
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To start, I have a CA18DET with a 14" electric fan.

the problemis when driving during daytime hours, i charge 13.5v or so normal. During night driving, it will charge 13.4v while cruising, but will charge in the low 12v Range. Is it alternator or battery?

My friend and I are debating which it is and I think its the alternator.


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Dattebayo
Posts: 33288
Joined: Sun Aug 25, 2002 10:04 am
Car: 2004 Nissan Frontier Desert Runner
Location: NE DC

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It's neither, actually. That would be the voltage regulator. But since it's part of the alternator the point is kinda moot.


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