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Turn Signal Issues

Discussion in 'Chat & Tech Info' started by edchavez, Feb 10, 2019.

  1. edchavez

    edchavez Just got it firing!

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    Hello!

    New to the forum and Moto Guzzis in general! Just got a 2000 V11 Jackal. The turn signals were working fine, and I changed out the bars and now neither side works.

    •When I switch the signal to the right, the light on the dash lights up dimly. But the actual turn signal bulb doesn’t.

    •However the light on the dash nor the actual turn signal lights up if I try the left turn signal.

    •Both bulbs look fine, and I’m not sure where to start in diagnosing the issue.

    Any help would be appreciated, Thank you!
     
  2. Param

    Param Just got it firing!

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    may be start with clean up of the handlebar switch , and the flasher relay to check it receives power when hanbdlebar switch is in On position in both left and right position
    thank you
     
  3. V700Steve

    V700Steve High Miler GT Contributor

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    Looking at a wiring diag, the front ground for turn signals, dash, lights, clocks comes from a black wire on a 10pin plug on frame under fuel tank. On the 10pin plug from L/H switch there is also a ground wire (black). For positive, the blinker(flasher) supplies power through center post on L & R switch.
    So looks like you stressed a wire in either the plugs or handlebar L/H switch
    Service manual in downloads has a wiring diag in it. Check your work.
     
    Brian UK likes this.
  4. guzzisti91

    guzzisti91 Tuned and Synch'ed

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    How ironic! I had a very similar issue with my '02 Nevada! I took out the flasher can & here's what i found... 20190217_004259.jpg

    As you can see, the shunt wire fried, causing the indicators to stop working properly. This was after a long trip & trying new indicators. Any 3-pinned flasher can will do - they're dirt cheap. However, you may not like new rate of flash, so i ended up picking one off an old AU falcon & it worked perfectly.
     
  5. guzzisti91

    guzzisti91 Tuned and Synch'ed

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    You could also try replacing the shunt with some fuse wire if you can get it open & you're good with a soldering iron....
     
    V700Steve likes this.
  6. Brian UK

    Brian UK GT Reference

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    I don't believe in coincidence. If something stops working just after you changed things, then it's almost certain you have done something to stop it working. Check all the connections, make sure nothing has been pulled out.
     
    V700Steve likes this.
  7. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    Interesting ... Does a similar flasher module exist in a V7iii? Thus far I've been led to believe that the flasher is all completely integrated into the dash/instrument cct board.
     
  8. V700Steve

    V700Steve High Miler GT Contributor

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    No, that Cali dash is analog cept for lectric tach.
     
  9. pseudo LM

    pseudo LM Just got it firing!

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    I just had a similar indicator fault, with an added headlight malfunction with my '74 850T, I replaced the flasher unit with a generic unit from an auto parts store, then buggered around with a multimeter for a day, weird things were happening, until I placed a jumper lead from the headlight shell, to earth,,,everything worked again (sometimes it's the simple things in life ?)
     
  10. guzzisti91

    guzzisti91 Tuned and Synch'ed

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    Hmm, bad earth. Reminds me of my automotive pre-voc training course, where they induced one & challenged us to find the fault
     
    pseudo LM likes this.

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