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Honda Regulator/Rectifier

  • Thread starter Thread starter Thomas Kenny
  • Start date Start date
On some GS bikes they added these little ground wires to all the mounting plates in an attempt to improve ground returns. How well they work is a subject for another thread, but the green wire has a ring terminal on it so it can be put to the frame and dispense with the little wires.

I did not hook mine up to the RR, I used it for a ground elsewhere.
 
http://i512.photobucket.com/albums/t327/Magnafique100/pa2205472.jpg

Here is a picture of the wires as they hooked to my old Suzuki R/R. Note the black/white wire. It was connected to the Suzuki R/R and plugged into the black/white wire in my wiring harness. So if I understand you correctly I am to avoid using this wire, and connect the black lead from the HONDA rectifier to the orange brake light switch. Correct ???
 
Right. The black wire with two connectors goes to the orange on the rear brake light switch. Plug the switch into the other connector on the black wire so it has power too. Check your rear brake lights to make sure they work when you are done.
 
Thomas Kenny said:
Well then, where do I connect the black/white wire that used to go to my Suzuki R/R???? Do I just leave cut it off and tape it over????????
Click to expand...

Tom,

Yes, disconnect it and tape over it. It appears to be a ground wire and is screwing up your whole system. I had 2 extra wires that I believe routed one leg of my stator through the kill switch. Those 2 wires are unused with my honda R/R and are now taped over and stowed. NOT used.

Lets look at your picture again....Yellow Stators are good. Red Pwr is good. Green ground is good. You can jumper from that green ground wire screw with another wire right to the battery neg (-). That will insure a good RR ground.

Now, again, disconnect that black/w stripe wire from the blue female plug and forget about it. Disconnect the orange brake light wire connector going to the brake light switch. One side is male and one side is female. Plug the male into the blue female where that black w/stripe wire was. Plug the female into that blue male thats just hanging in your pic. Done! Thats it !
Rectifierhookup2.jpg
 
I have no connnectors going to the brake light switch on my 1984 GS550ES. The orange and white wire that terminates at the brake light switch comes out of the main wiring harness. near the base of the right rear side of the fuel tank about 2 feet from the brake light switch location. I know this has got to be frustrating to you, and I appreciate you working with me to the extent you have. Perhaps after we get this working you will have the correct setup for the 550ES bikes made in 84-86. :-) So I can run long jumpers,. From what to where should I run them? I just need help with the black wire, female end and male end. The R/R requires mounting on the left side of my bike the elec. harness with the feed wires to the brake light switch are on the right side of the bike. Thanks Tom
 
Tie into any switched live wire. Make sure it has similar readings as the battery with the ignition on but motor not running.
 
chef1366 said:
Tie into any switched live wire. Make sure it has similar readings as the battery with the ignition on but motor not running.
Click to expand...
Chef is correct, any hot wire will do as long as it is not the battery. The RR would remain turned "on" all the time and run the battery down. Do you have an "accessory" terminal on the fuse box? This will work if switched.

I still think the RR will work if can just get switched 12 volts on the black wire. Anyone out there have a 550ES that can help?
 
Last edited:
Ok I have a switched lead at the bottom of the fuse box. I will tie the sense wire to that and see what happens and let you know. Thanks
 
Houston, we don't have a problem. I hooked the sense wire to an orange wire terminating in the fuse box that reads 10.8 volts with the ignition on engine not running. I also ran a jumper from the green ground wire on the frame to the negative battery cable to insure a good ground. I am getting around 14.2-14.4 at idle and high rpm. Tough R/R Duaneage after what I have put it through. So for GS550 ES and other 1984-86 GS550's you need to tap a 12 volt switched wire. There is no plug in's for the brake light switch in the harness. So I am good to go. Thanks all for your encouragement. I managed to make something simple, complicated, but I learned something thanks to all of you.

Tom
 
Thomas Kenny said:
I hooked the sense wire to an orange wire terminating in the fuse box that reads 10.8 volts with the ignition on engine not running. So for GS550 ES and other 1984-86 GS550's you need to tap a 12 volt switched wire.
Click to expand...

That would make good reference if you could get a picture of it.

We knew you could do it............:-k (kidding)
 
I include extra bullet connectors, a second pair could be used to tap into the rear brake light orange wire and do it that way.
 
Took it for a 15 mile ride today. Everything checks out spot on post ride. Nice to have fast turn signals again. :-) Tom
 
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