External relay at 12 V regulator on GL 1000.


Information and questions on GL1000 Goldwings (1975-1979)
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Peter T Sweden
Posts: 11
Joined: Sun Jul 07, 2013 12:44 pm
Location: Vaxjo, Kronobergs Lan, Sweden
Motorcycle: Honda GL 1000 1979

External relay at 12 V regulator on GL 1000.

Postby Peter T Sweden » Tue Oct 22, 2013 12:34 pm



When restoring my GL 1000 K3 (1979) have I found a relay that is connected as shown on the attached document.

Is there anybody that can give me an explanation of this modification ?.

“To Keep Or Not To Keep” is the question.

Peter T Sweden.
Attachments
Big dot is new connection and X is a broken line.
Big dot is new connection and X is a broken line.



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virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: External relay at 12 V regulator on GL 1000.

Postby virgilmobile » Tue Oct 22, 2013 12:59 pm

Keep it.
It's there to bypass the switched ignition feeding the regulator.
Its purpose is to provide the regulator with the voltage that is on the battery rather than what is on the switched circuit.It can be just a bit low(0.4 to 1.5 volts)
Bypassing with the relay will better control the charging volts .
Without it,I've seen charging volts exceed 15.5 volts and "boil" a battery dead.
Double check that the 3 yellow wires next to the battery have also been serviced( soldered).
Its a common weak spot.

User avatar
virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: External relay at 12 V regulator on GL 1000.

Postby virgilmobile » Tue Oct 22, 2013 1:02 pm

By the way..)add a 5 amp fuse at the conection it makes at the battery.Just for safety.

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Peter T Sweden
Posts: 11
Joined: Sun Jul 07, 2013 12:44 pm
Location: Vaxjo, Kronobergs Lan, Sweden
Motorcycle: Honda GL 1000 1979

Re: External relay at 12 V regulator on GL 1000.

Postby Peter T Sweden » Wed Oct 23, 2013 11:52 am

Thank you.

The Swedish rockey has followed the advice :-).

Peter T Sweden.

After a decent installation.
After a decent installation.

User avatar
virgilmobile
Posts: 7663
Joined: Sun Sep 19, 2010 5:39 pm
Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: External relay at 12 V regulator on GL 1000.

Postby virgilmobile » Wed Oct 23, 2013 12:45 pm

To the left of the battery..)those 3 yellow wires...it's the heart of problems with the charging system.
It's recommended by most to cut the plug off and throw it far away then solder the wires direct.
That connection usually corrodes and melts.
While your here,just type in "3 yellow wires" in the search tab then read all about it.

User avatar
Peter T Sweden
Posts: 11
Joined: Sun Jul 07, 2013 12:44 pm
Location: Vaxjo, Kronobergs Lan, Sweden
Motorcycle: Honda GL 1000 1979

Re: External relay at 12 V regulator on GL 1000.

Postby Peter T Sweden » Sun Oct 27, 2013 12:47 pm

Thank you.

I have that on my "To Do List".

The Swedish Rockey.




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