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Turn Signals don't work

  • Thread starter Thread starter Leo
  • Start date Start date
L

Leo

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Hi All,

I'm new to the GS Forum having recently acquired a largely restored 1979 GS850G (but I did have a 1977 GS750 from 1977 to 1981).

Anyway, I got the bike and the turn signals worked but the auto cancel feature did not (which didn't bother me). Now two weeks later the signals don't work at all. I checked the fuse box but no problems there. Any ideas of what might have failed and if there's an easy (hopefully) fix? I don't own a multimeter (yet) but do have the Clymer manual and will go through the tests when I get a multimeter. If it does turn out to be the signal control unit I'd like to explore other options if possible since from reading posts on this forum that the 1979 version is known to be problematic and expensive. I would be interested in successful aftermarket replacements that people are happy with and am not concerned with the auto cancel feature.

Thank you all very much for your assistance.

Leo
 
It's hard to do much without a meter. It does not need to be expensive for our purposes here. HF sells one for about $8 that works fine. Their $2 one worked for a while but didn't last very long for me.
How do you know the problem isn't in the fuse box if you have no meter?
Have you checked the grounds? The switch? All connectors in the circuit? Probably not the bulbs if they all quit at once but it could be.
 
Have you tried a new flasher ? Very common for the 79 TS control box of that Vintage to fail.. When that happens you need to re wire and convert to manual turn signals
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. Leo,

You'll find lots of GS850G lovin' on my little website along with other information on the care a feeding of 30+ year old motorcycles. I'm sure you have a lot more than just the blinkers to worry about. Don't scrimp on the maintenance. Here's your "mega-welcome". :clap:

If you are here you probably have a 30 year old motorcycle that needs about 20 years worth of maintenance. In the links below you'll find maintenance lists, documentation, wiring diagrams, "how to" guides, vendor links, tips, tricks, and a whole lot of GS goodness. This is your "mega-welcome". Let's get started. :)

Let me dump a TON of information on you and share some GS lovin'. :D

I just stopped by to welcome you to the forum in my own, special way.
big_hi.gif


If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....
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Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", "Top 15 Tips For GS Happiness", the Carb Cleanup Series, and the Stator Papers. All of these tasks must be addressed in order to have a safe, reliable machine. This is what NOT to do: Top 10 Newbie Mistakes. Now let me roll out the welcome mat for you...

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Please Click Here For Your Mega-Welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike! :D

More links to helpful threads in the forum:
Help! Your Bike Won't Start
DON'T DO THESE THINGS
Help! Your Bike Won't Run Well
Oh God! Pods!


Thanks for joining us. Keep us informed.

Thank you for your indulgence,

BassCliff
 
Last edited:
Have you cleaned all of the electrical connections? This takes some time but very often cures a wide variety of electrical gremlins.

For instance, my turn signals didn't work at all until I did it. :)
 
Thanks for the advice, will buy a multimeter and check things out, clean connections and will let you all know how it goes. Thanks again
 
I haven't got my multimeter yet, but I did buy some Detoxit and cleaned all of the electrical connections under both side covers and the fuse connections and my turn signals are working fine now. Thanks for the recommendations!
 
Leo said:
I haven't got my multimeter yet, but I did buy some Detoxit and cleaned all of the electrical connections under both side covers and the fuse connections and my turn signals are working fine now. Thanks for the recommendations!
Click to expand...

But........... (there's always a but!) does the self canceling feature work?
Just curious.
 
No, the self cancelling doesn't work. Also, I've found that the turn signals work fine for about the first 20 minutes of riding and then don't work at all. Then the next time I use the bike they work fine again for a short amount of time. thoughts??
 
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