Speedometer Wiring


Information and questions on GL1100 Goldwings (1980-1983)
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mytown
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Location: Carbondale, Illinois
Motorcycle: 1982 Goldwing Interstate

Speedometer Wiring

Postby mytown » Wed May 06, 2015 6:26 pm



I was going to put this speedometer of unknown origin onto my '82. It looked fairly typical and I wanted the higher MPH scale. It might be from an early cx500:

Back:

However, I found more wires than I expected coming from my '82 speedo:

A pair of wires (b/w, green) are attached to piece of white plastic secured to the speedo body. Are they for the turn signal buzzer sensor? I ask since the colors and number of wires don't quite match up with the diagram. The set of three wires goes into the speedo. It's pretty clear that they are for the air indicator sensor.


So are these wires for the air indicator sensor and the turn signal buzzer sensor and is it pretty much futile to try to swap the speedos? Just wanted to check before I abandon the effort and button it up.



sportsfreaked
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Motorcycle: 1981 Honda Goldwing Interstate GL1100I
1985 Honda Goldwing Limited Edition gl1200

Re: Speedometer Wiring

Postby sportsfreaked » Wed May 06, 2015 7:37 pm

I would say you would have to open your speedo and see if matches up with what you have in the 120 speedo. You will have to do a lot of soldering to get the wires into the new one and then hope it works. I thought about doing the same thing when mine was busted and then said too much work and just got an exact replacement. I'm sure others will chime in but to me it just wasn't worth the trouble.
Thanks to all who answer and help. It is greatly appreciated!
Ed

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ram11397
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Motorcycle: 1982 GL1100A Aspencade

Re: Speedometer Wiring

Postby ram11397 » Wed May 06, 2015 11:00 pm

I have noticed you can get second hand European 82 GL1100 Speedo they had the larger numbers on Ebay
we here were in the gas crisis back in the day hence only 80mph
Rick
1982 GL 1100 Aspencade

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CMReynolds1
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Re: Speedometer Wiring

Postby CMReynolds1 » Wed May 06, 2015 11:07 pm

Here is a Honda wiring chart. It may or may not help. It is the basic wire color guide for all Hondas. Good luck.
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Ride Safe,
Taz


TF 116, RivRon 512, Can Tho, S. Vietnam, 8/66-/9/68, GM(G)2

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mytown
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Re: Speedometer Wiring

Postby mytown » Thu May 14, 2015 1:51 am

Thanks for the replies. The charts will definitely come in handy.
As for the wiring, from what I can tell 80-83 speedometers had 3 different total number of wires coming out of the back, depending on the year. 80-81 had two sets of three (three for the air shock sensor and three for the turn signal buzzer), for a total of six. In '82 the turn signal buzzer was dropped in favor of a turn signal cancellation system that used only 2 wires from the speedo, (B/W and green). Since 82 still used the three wires for the air shock sensor, the total number of wires coming out of the 1982 speedo was reduced to five. The 83 Standard and Interstate have only two wires total coming out of the speedo, B/W and green and these are used in the turn signal cancellation system. I didn't find any indication on the schematics that either the '83 Standard or Interstate utilized an air shock sensor. In any case, the three air shock sensor wires found coming out of 80-82 speedometers are not to be found on the 83 Standard and Interstate speedometers. Regarding the schematics, the color schematic seemed to be a little off with regards to the sensors and I relied on the schematics found in the service manual. As for the '83 Aspencade, that appears to be a different animal altogether and I didn't look into it. To the extent that I understand them I find the sensor systems interesting, and I believe that in the course of my research I read that Rube Goldberg and Dr. Seuss collaborated on their design.

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CMReynolds1
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Re: Speedometer Wiring

Postby CMReynolds1 » Thu May 14, 2015 8:50 am

I also found this total schematic for 80-83. Hope it helps also.
Attachments
Ride Safe,
Taz


TF 116, RivRon 512, Can Tho, S. Vietnam, 8/66-/9/68, GM(G)2

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mytown
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Re: Speedometer Wiring

Postby mytown » Thu May 14, 2015 5:16 pm

CMReynolds1 wrote:I also found this total schematic for 80-83. Hope it helps also.


Thanks. That's a helpful schematic, but I believe it represents 80-81. It does so at least as far as the wiring coming from the '82 speedometer is concerned. Here's a section from a scan of an '82 Interstate schematic found in the service manual and showing the wires coming from the speedometer:
The P,G and B/Br wires are part of the low shock air pressure warning system and the G and W/B wires are related to the turn signal cancellation system.

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CMReynolds1
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Re: Speedometer Wiring

Postby CMReynolds1 » Thu May 14, 2015 5:29 pm

You are correct. It was mislabeled by the person that I got it from. Sorry and thanks for the correction!
Ride Safe,
Taz


TF 116, RivRon 512, Can Tho, S. Vietnam, 8/66-/9/68, GM(G)2

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CMReynolds1
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Re: Speedometer Wiring

Postby CMReynolds1 » Thu May 14, 2015 5:31 pm

If you happen to have the full schematic, I would like to get a copy and update my library. Thanks.
Ride Safe,
Taz


TF 116, RivRon 512, Can Tho, S. Vietnam, 8/66-/9/68, GM(G)2

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mytown
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Re: Speedometer Wiring

Postby mytown » Thu May 14, 2015 6:04 pm

CMReynolds1 wrote:If you happen to have the full schematic, I would like to get a copy and update my library. Thanks.


Sure. Here's one that I recently came across for the '82 Standard:

Here's from my scans for the '82 Interstate in 2 parts:

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CMReynolds1
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Re: Speedometer Wiring

Postby CMReynolds1 » Thu May 14, 2015 11:29 pm

Thank you sir! I appreciate it.


Ride Safe,
Taz


TF 116, RivRon 512, Can Tho, S. Vietnam, 8/66-/9/68, GM(G)2


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