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Brake/tail light help

  • Thread starter Thread starter falco
  • Start date Start date
F

falco

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I'm having trouble with my tail light. I thought it was wired up properly. Tail light was on and when pressing rear brake it got brighter.

everytime I would go ride it would eventually stop working.

Now ow it won't work at all and coincidentally my gear number display just reads "8" for all gears.



please help!

(Also: no longer has turn signals, Headlight + speedo + tach work great,)
 
The fact that your gear indicator is digital rules out any of the bikes I am familiar with, but there are a LOT of others.

As fastbysuzuki asks, ... which one are we discussing here? :-k

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Visiting his profile says it's a 78 GS750.Yeah it would be nice if new people remembered this place has a lot of members and almost nobody could remember who has what.
 
GROUNDS GROUNDS GROUNDS! Be sure to check and clean all your grounds and connections. I had issues with my turn signals. After cleaning everything the signals are noticeable brighter and work! 👍
 
Now Im not getting anything to the taillight/brakelight, but i have headlights?

from reading up on this bike I'm pretty sure it has 1 fuse meaning there should still be power going to the rear?



If the brake switch is bad, i should still get power to the twilight wires??


thanks for all the replies!
 
Last edited:
If the 750 was anything like the 1000 you should have double ground connector for the bullet type connectors and they seem to get loose over time. Trace the black wires with a white stripe (ground wires) back there to see if that is your problem.
 
If the 750 was anything like the 1000 you should have double ground connector for the bullet type connectors and they seem to get loose over time. Trace the black wires with a white stripe (ground wires) back there to see if that is your problem.




ill give it a try and report back
 
If you are missing just the tail light function at the rear, that is fed by a brown wire that comes from the ignition switch. That brown wire is fed by a gray wire that branches off the headlight circuit, so some of your problem might be in the contacts in the ignition switch. You can access them by removing the headlight bucket, then just a couple of screws at the bottom of the switch assembly to remove the contacts.

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found some ungrounded wires up near the headlamp. grounded them now were in business!

Thanks for all the replies
 
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