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Turn Signal Help

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Old Jun 6, 2017 | 06:36 PM
  #1  
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twoskies
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Default Turn Signal Help

Hi All
got a 1996 FLSTN heritage softail, hd dyna turn signals,everything worked until recently, no leds, regular bulbs
turn signals work when bike is not running, work sporadically when running, 4 way flashers always work,
tried the manual, ive got good ground on pin1, battery voltage (12 volts ) on pin 2,
i can jumper from 2 to 3, or 2 to 4 and lights light up front and back,
when trying turn signal with bike running the turn signals light but wont flash or only flash 3 or 4 times then stop,
daughters sportster had the same turn signal module(works on her bike)wont even flash not running on mine


any help appreciated

ill check the forum every couple days

Thanks
 
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Old Jun 6, 2017 | 06:40 PM
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twoskies
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HI All

just a quick add to this thread
my speedometer works fine, was told the cancelling system was tied into turn signals and if it was not working, might be the issue
tHANKS
 
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Old Jun 6, 2017 | 06:46 PM
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You swapped module with the sportster and your module worked in the sportster?
Did the sportster module work in your bike?
 
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Old Jun 6, 2017 | 08:01 PM
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lol, i swapped the sportster module to my heritage and would not work, i have not tried to put the heritage module in daughters sportster, same exact part number
that would eliminate the module

Thanks
 
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Old Jun 6, 2017 | 08:47 PM
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update
i swapped the heritage module to my duaghters sportster and it worked fine, so either 1 of the 2 modules work on the sportster but not on my heritage

side note, heritage runs fine except turn signals not working, only issue

Thank You for any and all help
 
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Old Jun 8, 2017 | 06:18 AM
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got it, bad connection on rear turn signals under rear fender, recut and soldered and booted, works like it should now

Thanks
 
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Old Jun 12, 2017 | 06:25 AM
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Lost track of this thread
Ya, the TSM needs to see the load from both bulbs to work. That's how it tells you you have a bulb out or like in your case a broken wire.
 
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Old Jul 3, 2017 | 02:43 PM
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Any leads on finding a replacement turn signal relay? I have same issue on my 03 sportster. Do they have to be purchased thru Harley dealer?
Mike
 
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