REFLECTOR:Alternator wiring

Bill reflector@tvbf.org
Wed, 30 Apr 2003 17:58:15 -0500 (Central Daylight Time)


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 When I bought my alternator from the Co guys they supplied a wiring diag=
ram
with it.. I take it you didn't get one a diagram?? I'm sure you can find =
one
at www.aeroelectric.com. Look for overvoltage protection for built in
regulator. =0D
=0D
I called it an alternator solenoid. They call it a B lead disconnect
contactor. It's main function is in the event of a overvoltage condition.=
=0D
=0D
You should be able to turn the alternator on and off with the panel mount=
ed
switch that you describe. But you will be without overvoltage protection
built into the system. Guess it's another one of those choice things...  =
=0D
=0D
What I'm not sure about is; you would have 12 volts going to the alternat=
or
B lead when ever you turned the battery master switch on with your system=
=2E I
don't know if that is harmful to the alternator or not. Hopefully someone
else will answer this...=0D
=0D
=0D
=0D
 =0D
 =0D
Thanks for the info.  In answering the question, you introduced yet anoth=
er
concept that is foreign to me<g>.=0D
 =0D
It seems like I will need this =93Alternator Solenoid=94.  Currently, I h=
ave two
solenoids installed in my plane.  One is tied to the master switch and
controls the current between the battery and the airframe bus.  The other
controls the engine starter.  =0D
 =0D
I also have a wire extending from the panel mounted alternator switch tha=
t
is supposed to go to =93Alternator Field=94, which, in my mind, supplies =
the
voltage necessary for the alternator to generate electricity.  Cut off fi=
eld
 and the alternator produces no power=85=0D
 =0D
Now, it seems to imply from the below statement that the type of alternat=
or
I have requires another solenoid.  From the sound of it, this particular
wire corresponds to the conventional =93field=94 connection.  So, do I ne=
ed
another solenoid?  Or could I simply connect the wire to the rocker switc=
h?=0D
 =0D
Hiroo=0D
 =0D
-----Original Message-----=0D
From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org] On Behal=
f
Of Bill=0D
Sent: Wednesday, April 30, 2003 2:17 PM=0D
To: reflector@tvbf.org=0D
Subject: Re: REFLECTOR:Alternator wiring=0D
 =0D
Had the same question and good folks in Co would not answer their phone o=
r
return my calls??=0D
 =0D
Local alternator shop said the green or S wire goes back  to the B termin=
al
(senses battery condition and sets charging rate). The yellow or L wire g=
oes
to the alternator solenoid to turn it on and off. =0D
 =0D
 =0D
My alternator I got from Franklin guys in CO got me scratching my head.=20
Many of the airplane wiring references refer to three major connections t=
o
the alternator.  Airframe GND, Alternator Field, and Alternator Out.=0D
 =0D
Now, as I look at my alternator, there appears to be four connections.  O=
ne
is the GND which essentially is the casing bolted down to the engine.  Th=
en
there is a terminal that is marked with =91+=92 symbol that I figured is =
the OUT
judging from the size of the bolt and nut on the terminal.  Now, on the s=
ide
 there is a plastic connector that has two, yes two, wires coming out.  O=
ne
is yellow and the other is green.  They are marked =91S=92 and =91L=92.  =
I am
guessing one of them is the =91Field=92 but which one?=0D
 =0D
Has anyone got this figured out?=0D
 =0D
Hiroo=0D
 =0D
   =0D
=0D
=0D
 =0D
=20
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<DIV>&nbsp;When I bought my alternator from the Co guys they supplied a w=
iring diagram with it.. I take it you didn't get one a diagram?? I'm sure=
 you can find one at <A href=3D"http://www.aeroelectric.com">www.aeroelec=
tric.com</A>. Look for overvoltage protection for built in regulator. </D=
IV>
<DIV>&nbsp;</DIV>
<DIV>I called it an alternator solenoid. They call it a B lead disconnect=
 contactor. It's main function is in the event of a overvoltage condition=
=2E</DIV>
<DIV>&nbsp;</DIV>
<DIV>You should be able to turn the alternator on and off with the panel =
mounted switch that you describe. But you will be&nbsp;without overvoltag=
e protection built&nbsp;into the system. Guess it's another one of those =
choice things... &nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>What I'm not sure about is; you would have 12 volts going to the alt=
ernator B lead when ever you turned the battery master switch on with you=
r system. I don't know if that is harmful to the alternator or not. Hopef=
ully someone else&nbsp;will answer this...</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thanks for the info=
=2E&nbsp; In answering the question, you introduced yet another concept t=
hat is foreign to me&lt;g&gt;.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT=
></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">It seems like I wil=
l need this =93Alternator Solenoid=94.&nbsp; Currently, I have two soleno=
ids installed in my plane.&nbsp; One is tied to the master switch and con=
trols the current between the battery and the airframe bus.&nbsp; The oth=
er controls the engine starter.&nbsp; </SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT=
></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I also have a wire =
extending from the panel mounted alternator switch that is supposed to go=
 to =93Alternator Field=94, which, in my mind, supplies the voltage neces=
sary for the alternator to generate electricity.&nbsp; Cut off field, and=
 the alternator produces no power=85</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT=
></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Now, it seems to im=
ply from the below statement that the type of alternator I have requires =
another solenoid.&nbsp; From the sound of it, this particular wire corres=
ponds to the conventional =93field=94 connection.&nbsp; So, do I need ano=
ther solenoid?&nbsp; Or could I simply connect the wire to the rocker swi=
tch?</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT=
></P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hiroo</SPAN></FONT>=
</P>
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=
=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT=
></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in"><FONT face=3DTahoma siz=
e=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original =
Message-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B> ref=
lector-admin@tvbf.org [mailto:reflector-admin@tvbf.org] <B><SPAN style=3D=
"FONT-WEIGHT: bold">On Behalf Of </SPAN></B>Bill<BR><B><SPAN style=3D"FON=
T-WEIGHT: bold">Sent:</SPAN></B> Wednesday, April 30, 2003 2:17 PM<BR><B>=
<SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> reflector@tvbf.org<BR><B=
><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> Re: REFLECTOR:Alte=
rnator wiring</SPAN></FONT></P>
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<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">Had the same question and good folks in Co wo=
uld not answer their phone or return my calls??</SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">Local alternator shop said the green or&nbsp;=
S wire goes back&nbsp; to the&nbsp;B terminal (senses battery condition a=
nd sets charging rate). The yellow or L&nbsp;wire goes to the alternator =
solenoid to turn it on and off. </SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">My alternator I got from Franklin guys in CO =
got me scratching my head.&nbsp; Many of the airplane wiring references r=
efer to three major connections to the alternator. &nbsp;Airframe GND, Al=
ternator Field, and Alternator Out.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">Now, as I look at my alternator, there appear=
s to be four connections.&nbsp; One is the GND which essentially is the c=
asing bolted down to the engine.&nbsp; Then there is a terminal that is m=
arked with =91+=92 symbol that I figured is the OUT judging from the size=
 of the bolt and nut on the terminal.&nbsp; Now, on the side, there is a =
plastic connector that has two, yes two, wires coming out.&nbsp; One is y=
ellow and the other is green.&nbsp; They are marked =91S=92 and =91L=92.&=
nbsp; I am guessing one of them is the =91Field=92 but which one?</SPAN><=
/FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">Has anyone got this figured out?</SPAN></FONT=
></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN style=3D"FONT-SIZE=
: 10pt; FONT-FAMILY: Arial">Hiroo</SPAN></FONT></P></DIV>
<DIV>
<P class=3DMsoNormal><FONT face=3DArial size=3D3><SPAN style=3D"FONT-SIZE=
: 12pt; FONT-FAMILY: Arial">&nbsp;</SPAN></FONT></P></DIV></TD></TR>
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