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Regulator rectifier wiring

  • Thread starter Thread starter Par6
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Par6

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Hi all, new member with a few problems :(
Although I have a Haynes manual and the original manual, the wiring on my regulator doesn't match the books. There are two wires with eyelet connectors on them that are not connected to anything they are just hanging loose, I'm wondering where they go and don't want to guess in case I damage something, the bike runs with these no connected but the battery is not charging.
The wires coming from my reg/rect and where they are going are like this ,
Yellow wire goes to a white with red tracer
Another yellow wire goes to a white with a blue tracer
A third yellow goes to a yellow and all three go into the engine.
A red with white tracer connects to another red and disappears into the loom.
A black with an eye connector is just hanging loose
A green with an eye connector is also just hanging loose.
I'm a little confused as to where these loose wires connect to so any help would be most appreciated cheers, Wayne.
 
rustybronco said:
What model and year bike are you referring to?
Click to expand...
Might not matter much, that R/R is not stock. :-k

The wires with eyelets might lead you to believe that they need to be connected to battery terminals. Depending on the manufacturer of the R/R, either the black or the green might be the ground wire (connected to battery negative terminal) and the other one would be a sense wire (connected to battery positive terminal). The problem is, ... if you connect them backwards, you will not like the results.

Sorry, but it has been quite a while since I have had to remember the color codes for non-stock R/Rs. :oops:

.
 
On some bikes the black/white goes to the battery terminal, on others they are split between battery and frame. Still on other models they attach to just the frame.

And yes it's a non stock R/R that's installed on it.
 
Is there any kind of identification on the R/R such as SH-XXX ?

Where about is the green wire with the eyelet located? Is it near the R/R or battery or ?
 
Last edited:
The r/r has SH 232-12-05 written on the label, the label is scratched but I'm 95% certain that's what it says.
The six wires that come from the r/r are in two banks of 3,
All the yellow wires come from one bank and the red/white, the green and the black are another bank. The green wire and the black wire have eyelets.
 
Connect the three yellow wire directly up to the three wire coming from the stator which are typically green/white, white/blue and yellow. Tape up any existing 'stator' harness side wires which will no longer be needed.

Connect the R/R red (red/white?) wire to the existing wire GOING to your fuse box as shown in your Haynes wiring diagram, or here... http://www.mtsac.edu/~cliff/storage/gs/GS550_77-82_all.pdf.

Connect the green wire from the R/R to a R/R mounting screw AND run an additional ground wire from the battery negative post to that same screw. Barring that, run the R/R green wire directly to the batteries negative post.

The R/R black wire is a voltage sensing wire and as such needs to measure battery voltage, or as close to battery voltage as possible. I HIGHLY suggest you connect it directly on the batteries POSITIVE post AND if at all possible put a 1 amp fuse in line.

Also see... http://members.dslextreme.com/users/storagecliff/images/r-r_replacement.pdf
 
The three yellows are the stator wires, and I suspect the red/white is the feed for power from the R/R into the battery through the fuse box. The other two (green and black/white) are the ground run and the "sense wire." I never messed with a 6-wire R/R though, so I don't know what you do with the sense wire. The ground goes back to the battery negative or to the frame, depending on how you set up the grounds. IIRC a lot of people benefit from grounding everything to the R/R which in turn is grounded to the battery negative. Posplayer's posts on grounding have the details.
 
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rustybronco said:
Connect the green wire from the R/R to a R/R mounting screw AND run an additional ground wire from the battery negative post to that same screw. Barring that, run the R/R green wire directly to the batteries negative post.

The R/R black wire is a voltage sensing wire and as such needs to measure battery voltage, or as close to battery voltage as possible. I HIGHLY suggest you connect it directly on the batteries POSITIVE post AND if at all possible put a 1 amp fuse in line.
Click to expand...
Thanks, Rusty, I could not remember which was which.
icon_shrug.gif


.
 
rustybronco said:
You think I remembered?? Fat chance on that! I had to look...


Do NOT run the red (red/white?) wire directly to the battery. It must be switched; which is why it goes to the fuse panel (box) then to the ignition switch, back to the fuse panel and then finally is connected to the battery.
Click to expand...

Good catch, I meant run that wire into the power feed in the harness and assumed he had those connections in front of him. But my post did seem to point to a connection directly to the battery. Edited my post to make sure that's clearer.
 
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