Test...Question's of the Week


Information and questions on GL1100 Goldwings (1980-1983)
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littlebeaver
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Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 5:19 pm



What does the Selenium Rectifier do and where is it located? Do these go bad...Explain please..



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Re: Test...Question's of the Week

Postby WingAdmin » Tue Jan 10, 2012 5:57 pm

Selenium Rectifier is a fancy word meaning "diode." It's located underneath the fake gas tank, on the left side, and looks like this:

Starting diode
Starting diode


Yes, they go bad. They are used for the clutch starting circuit. If it is working correctly, you can start the bike by either holding the clutch lever in, or by having the bike in neutral. If it fails open, then the only way you can start your bike is by holding your clutch lever in, even if the bike is in neutral. If it fails shorted, you can start your bike normally, but your neutral light will turn on every time you squeeze the clutch lever.

Partsnmore sells them for $9.

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 6:06 pm

Thank you Wingadmin. Now we all know what that little bugger is..and it's function..You guys will have to wait until next week for another Test question... :D

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Re: Test...Question's of the Week

Postby Steve F » Tue Jan 10, 2012 7:02 pm

I believe he's not referring to that diode, but rather the rectifier that alot of the older bikes had to convert the AC from the alternator to DC to the regulator and the battery. It looks like a stack of square sheetmetal pieces stacked together with gaps, kinda like a heatsink, with the electrical connections at the sides.
"To ride is the reason, the destination the excuse."

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 7:29 pm

Steve F wrote:I believe he's not referring to that diode, but rather the rectifier that alot of the older bikes had to convert the AC from the alternator to DC to the regulator and the battery. It looks like a stack of square sheetmetal pieces stacked together with gaps, kinda like a heatsink, with the electrical connections at the sides.

No Steve he's correct, the bike has the Regulator,Rectifier as well that your talking about, if you have a manual look up on the 80 and 81's you will find it..the 83's it's called the silicon rectifier...

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Re: Test...Question's of the Week

Postby thrasherg » Tue Jan 10, 2012 7:53 pm

Selenium rectifiers have not been used for many years!! They are all silicon rectifiers now a days and on most wings!! The only rectifier is in the Alternator circuit to convert the AC output of the alternator to DC for feeding to the Regulator and then the battery. The part that wingadmin lists is just a switching diode, it's not a recftifier!! Just being picky.. :roll: Of course it could be the part that littlebeaver was refering to, but its just an isolating diode not a rectifier..

Gary

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Re: Test...Question's of the Week

Postby WingAdmin » Tue Jan 10, 2012 7:59 pm

thrasherg wrote:Selenium rectifiers have not been used for many years!! They are all silicon rectifiers now a days and on most wings!! The only rectifier is in the Alternator circuit to convert the AC output of the alternator to DC for feeding to the Regulator and then the battery. The part that wingadmin lists is just a switching diode, it's not a recftifier!! Just being picky.. :roll: Of course it could be the part that littlebeaver was refering to, but its just an isolating diode not a rectifier..

Gary


On the Honda schematics, it's labeled as a "Silicon rectifier", and being that the 1100 does not have a separate rectifier from the regulator like the 1000 does, I figured it was the diode he was talking about.

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 9:40 pm

thrasherg wrote:Selenium rectifiers have not been used for many years!! They are all silicon rectifiers now a days and on most wings!! The only rectifier is in the Alternator circuit to convert the AC output of the alternator to DC for feeding to the Regulator and then the battery. The part that wingadmin lists is just a switching diode, it's not a recftifier!! Just being picky.. :roll: Of course it could be the part that littlebeaver was refering to, but its just an isolating diode not a rectifier..

Gary

Gary you say these have not been used for many years, I beg to differ, I use mine everyday :lol: ...The question was anwsered and it was correct, I wanted to see who got it first..

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Re: Test...Question's of the Week

Postby WingAdmin » Tue Jan 10, 2012 9:46 pm

He's right though that it's a silicon rectifier, not a selenium rectifier. I didn't catch that in the first message, I was reading it quickly and just saw "s.... rectifier" and I guess my brain filled in "silicon".

I doubt you'd find selenium rectifiers anywhere now except in antique electronics.

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 9:51 pm

WingAdmin wrote:
thrasherg wrote:Selenium rectifiers have not been used for many years!! They are all silicon rectifiers now a days and on most wings!! The only rectifier is in the Alternator circuit to convert the AC output of the alternator to DC for feeding to the Regulator and then the battery. The part that wingadmin lists is just a switching diode, it's not a recftifier!! Just being picky.. :roll: Of course it could be the part that littlebeaver was refering to, but its just an isolating diode not a rectifier..

Gary


On the Honda schematics, it's labeled as a "Silicon rectifier", and being that the 1100 does not have a separate rectifier from the regulator like the 1000 does, I figured it was the diode he was talking about.

Wingman go back and look again, you looked on the 83 model, look on the 80 thru 82 it's called a Selenium rectifer....I'm not going to agrue with this...It's called what it's called..

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 10:06 pm

WingAdmin wrote:He's right though that it's a silicon rectifier, not a selenium rectifier. I didn't catch that in the first message, I was reading it quickly and just saw "s.... rectifier" and I guess my brain filled in "silicon".

I doubt you'd find selenium rectifiers anywhere now except in antique electronics.

These Selenium rectifier's are everywhere, bikes parted out everywhere all you need to do is ask for one... :D Now I dare anyone to tell me it's not listed as Selenium rectifier :lol: :lol: 80-82 Schematics
Last edited by littlebeaver on Tue Jan 10, 2012 10:20 pm, edited 1 time in total.

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Re: Test...Question's of the Week

Postby WingAdmin » Tue Jan 10, 2012 10:13 pm

littlebeaver wrote:Wingman go back and look again, you looked on the 83 model, look on the 80 thru 82 it's called a Selenium rectifer....I'm not going to agrue with this...It's called what it's called..


I don't know what you're looking at, but I'm looking at my Honda service manual, and it has 10 schematics in it, for every 1100 from 1980 to 1983 - Standard, Interstate and Aspencade. On every one of them it's labelled "Silicon rectifier" except for the 82 Aspencade where it's misspelled "Silicone rectifier". :)

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 10:23 pm

Well you must be drinking too much coolaid Wingman. look again.. Just scane the whole page on the 80 to 82 it's right here in my cylmers manual as well. :D alright gosh darn it, look on your 80-82 standard or interstate it's on both look just under the spark plugs...at the top of the page..You silly rabbit.. :lol:

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Re: Test...Question's of the Week

Postby virgilmobile » Tue Jan 10, 2012 10:43 pm

Japanese translations....Hmmm..We have so many more words that describe something more accurately than many other languages had back then.
Selenium diodes were common before the use of silicone.It has a higher bias voltage thus more heat and the leakage was horrible by today's "silicone diode" standard .They were used in early motorcycles as the "rectifier block" in the charging system(no fancy electronics),my Monkey Wards Italian 125cc Benelli (60's)had one.
I have seen them used in old radios,battery chargers,etc.

The purpose of any type of "diode or rectifier"is to control the direction of current flow.Or however you want to think about it,voltage,electrons,compressed smoke,etc.

Yes there are many other applications ,but on the bikes,it's usually used to block or allow voltage to pass through it one way and block it the other direction,depending on which way it's hooked up.
A "diode",Irregardless of it's composition is defined as a 2 terminal electronic component .
A "rectifier" is defined as a device that converts AC to DC.

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Re: Test...Question's of the Week

Postby littlebeaver » Tue Jan 10, 2012 10:54 pm

ok so Virgil do you see the Selenium rectifier on the 82 schematics on the front page under the standard or interstate, is it there or am I truly losing my freakin mind, look under the spark plugs..Is it there.?.so if it's a diode and not a rectifier why did they continue using that term throught the years, Are engineers that stupid, they don't know the difference between a dioide and a rectifier, the purpose of the Test was to see what you guy's could tell me about it, I know the RR is in place and I understand the rectifiers function with the regulator but I was scanning the schem. and saw the Selenium rectifier then discovered the 83 and up had a silicon rectifier...Wingadmin. must have a different book, So it's a diode and not a rectifier is what you guys are saying and the Honda folks writing these terms are wrong...

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Re: Test...Question's of the Week

Postby virgilmobile » Tue Jan 10, 2012 11:22 pm

Potato or potatoe. :)
Your eyesight is OK.I suspect the translation to the printer is in question.
Both of the images are taken from the "manuals"section.

In our simple terms,2 connections= diode
multiple diodes= rectifier
regulator = voltage control circuit
gl1000=separate rectifier and regulator magic boxes.
gl1100-1200 combined rectifier and regulator in one box.

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Re: Test...Question's of the Week

Postby littlebeaver » Wed Jan 11, 2012 12:47 am

Wow, I guess I owe Wingman an apology, about the Koolaid comment, it looks like the kill switch line goes to the selenium rectifier and the neutral line comes into the same unit..But you found it so I'm not crazy, something isn't right, it can't be both..My clymer book shows the change at 83 to silocon rectifier goes to the clutch operater switch as Wingadmin said, however on the 82's to 80's the selenium rectifier the line goes to the killswitch...I'm looking at the schematics in color...I'm gonna find out why they are calling this a rectifier and put this to rest..there has to be a reason...Ok Ok I found what wingman is looking at, the repair manual doesn't jive with the color schematic's on this site nor my clymer book, not one bit, according to my clymer book back in 1975-77 they called it a Diode and several wires went to it, 78-79 it's called a rectifier, 80-83 its called a selenuim rectifier, and 83 up it's called a solicon rectifier...Now the service manual here is wrong or the clymer book is wrong and the color schem. are wrong on this site, What up....Can't be both...

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Re: Test...Question's of the Week

Postby littlebeaver » Wed Jan 11, 2012 2:11 am

I said kill switch I meant starter disconnect switch which is at the clutch, in the above reply....Someone said before there were discripancies in the Clymer's book, man I'm glad I posted this Question now..Virgil thanks for your help and everyone else.. Wingadmin. I'm sorry about that man, but after you review this you will understand why I was so confused...Two different stories, and we are both correct in what we were looking at.. :D

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Re: Test...Question's of the Week

Postby littlebeaver » Wed Jan 11, 2012 4:00 am

Well I did a search on ebay for one of these buggers, here it is http://www.ebay.com/itm/1982-Honda-Gold ... es&vxp=mtr looks a little different than the starter diode thingy Wingman posted... :lol: :lol: Or is it the same...?

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Re: Test...Question's of the Week

Postby virgilmobile » Wed Jan 11, 2012 9:01 am

Well actually,the E-Bay item is not a rectifier.It's the air pressure monitor module.It lights the warning light on the instrument cluster and warns you when the rear shocks need air.Note the number of connections.

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Re: Test...Question's of the Week

Postby virgilmobile » Wed Jan 11, 2012 9:44 am

Here's a few pictures for the common parts on the 1100.
gl1000 rectifier and regulator modules
gl1000 rectifier and regulator modules

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Re: Test...Question's of the Week

Postby WingAdmin » Wed Jan 11, 2012 10:22 am

littlebeaver wrote:Well you must be drinking too much coolaid Wingman. look again.. Just scane the whole page on the 80 to 82 it's right here in my cylmers manual as well. :D alright gosh darn it, look on your 80-82 standard or interstate it's on both look just under the spark plugs...at the top of the page..You silly rabbit.. :lol:


I can only tell you what it says in my Honda service manual!




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Re: Test...Question's of the Week

Postby virgilmobile » Wed Jan 11, 2012 11:56 am

Here we go again.Potato...Spud...Patata....Tater...
Yes,your first post in response to the question is accurate,the rest is just details :D

I hate tests..I just go blank :?:

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Re: Test...Question's of the Week

Postby thrasherg » Wed Jan 11, 2012 12:55 pm

Well didn't this become a lot of fun!! :D I like a humorous moment in the day, it lifts my spirits!! :lol:

Gary

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Re: Test...Question's of the Week

Postby littlebeaver » Wed Jan 11, 2012 1:32 pm

Thanks Virgil, but your calling it by it's wrong name, it's called a silicon or selenium rectifier, because it rectifies your brain.. :lol: :lol: So where is the photo that say's Silicon rectifier? I don't see it..




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