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<blockquote data-quote="Dafaseles" data-source="post: 8832644" data-attributes="member: 681482">I&#039;m sure you heard this before, but incase you haven&#039;t....What I did was purchase a HO alternator with the old 4 pin plug (2005 and older I think) then ran the wire from the pin to a switched 12v source to tell the alternator to start working. GM hasn&#039;t changed their mounting setup since 1986 i believe, so they fit right in. I get a solid 15v at startup, then 14.7 after warmup. Swinging from the low 13&#039;s to a little above 15v is normal when not bypassing the RVC sensor, and really, unless your competing, it&#039;s really not going to effect your listening too much. Unfortunately, to remedy the voltage fluctuation, the only solution I know of is to bypass the RVC sensor, and to do that, you&#039;d have to purchase an alternator with the 4 pin plug. I don&#039;t know if this helps you, but if rather say something and not have to, then not say something and should have. I went through the same thing.</blockquote>

[QUOTE="Dafaseles, post: 8832644, member: 681482"] I'm sure you heard this before, but incase you haven't.... What I did was purchase a HO alternator with the old 4 pin plug (2005 and older I think) then ran the wire from the pin to a switched 12v source to tell the alternator to start working. GM hasn't changed their mounting setup since 1986 i believe, so they fit right in. I get a solid 15v at startup, then 14.7 after warmup. Swinging from the low 13's to a little above 15v is normal when not bypassing the RVC sensor, and really, unless your competing, it's really not going to effect your listening too much. Unfortunately, to remedy the voltage fluctuation, the only solution I know of is to bypass the RVC sensor, and to do that, you'd have to purchase an alternator with the 4 pin plug. I don't know if this helps you, but if rather say something and not have to, then not say something and should have. I went through the same thing. [/QUOTE]

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