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Old 05-24-2009, 09:54 PM   #1 (permalink)
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Join Date: May 2009
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Helyas wants to know Dino or Syn?
Indicator Light Problem - Don't Blink

I've recently purchased a 99 FXSTC from a local dealer. The previous owner, whom I've never met, installed aftermarket indicator lights. These indicators are in small bullet style housings, and use incandescent bulbs (not LED). The problem is when I push the indicator button, the turn signal lights up but does not flash.

Here's what I've come to notice about how the indicators are functioning. When the ignition is on the front lights remain on dim, and the rear lights stay off. When I push an indicator button the corresponding side lights up, both front and rear, but don't flash. They just stay on bright until I push the button again, or lean the bike enough to activate the self-canceling feature.

I've read in another forum that some of the older Harleys require that you hold the indicator button down to make the turn signals flash. I've tried this, and it did not work. However, when I hold both indicator buttons to activate the hazard lights, the hazards turn on (all four turn signals) and flash as normal. This surprised the hell out of me. I expected all four turn signals to light up, but definitely not flash.

I would like to correct this problem allowing my turn signals to flash whenever they are activated, not just when I activate the hazards. Any help in troubleshooting and/or solving this problem is greatly appreciated. Thanks.
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Old 05-25-2009, 01:14 PM   #2 (permalink)
Join Date: Nov 2004
Location: Waynesboro VA
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Mac4020 wants to know Dino or Syn?
My guess would be that the small bulbs don't draw enough current for the flasher to work properly and you may need to install load equalizers. You could wire up some 1156/7 bulbs and see if they work properly, if not, it could be an issue with the flasher.
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Old 05-25-2009, 08:01 PM   #3 (permalink)
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Great suggestion. I took out the bulb from one of the front turn signals, and it is a 1157 dual filament 12V/23/8W bulb. I wonder what would happen if I replaced the after market bulbs with the stock turn signal bulbs (given they fit in my aftermarket housing).
I feel that if the stock bulbs fit in the aftermarket housings, and they do not have an adverse affect on the housing or wiring, I will be able to get away from buying/installing a load equalizer. What do you think?

Does anyone know what are the bulbs that fit the stock harley turn signals for a 99 Softail Custom (FXSTC)?
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