Turn signal - only lit when flashing
Thread Starter
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Grand HDF Member
Joined: Jul 2017
Posts: 4,698
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From: Behind you, making faces
Turn signal - only lit when flashing
As the title says... I RARELY ride after dark. Well, tonight I was out for a bit after sundown. When I went to ride home, my left signal bulb was lit and the right one wasn't, unless I turned on the right turn signal.
So in short:
Left side is lit, right side is not, with headlights on. Left turn signal functions normally.
Right side flashes when right turn signal is on, otherwise dark.
Ideas?
So in short:
Left side is lit, right side is not, with headlights on. Left turn signal functions normally.
Right side flashes when right turn signal is on, otherwise dark.
Ideas?
Thread Starter
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Grand HDF Member
Joined: Jul 2017
Posts: 4,698
Likes: 5,297
From: Behind you, making faces
That's what I was thinking, but I wasn't sure which one.
Thanks!
Thanks!
Seasoned HDF Member
Joined: Feb 2007
Posts: 6,086
Likes: 1,128
From:
As the title says... I RARELY ride after dark. Well, tonight I was out for a bit after sundown. When I went to ride home, my left signal bulb was lit and the right one wasn't, unless I turned on the right turn signal.
So in short:
Left side is lit, right side is not, with headlights on. Left turn signal functions normally.
Right side flashes when right turn signal is on, otherwise dark.
Ideas?
So in short:
Left side is lit, right side is not, with headlights on. Left turn signal functions normally.
Right side flashes when right turn signal is on, otherwise dark.
Ideas?
Taking another guess you are referring to front turn signals.
From factory the front turn signals are an 1157 bulb.
The 1157 bulb has TWO filaments.
One filament is ON always when bike is ON.
The other filament is OFF unless blinkers are in use (used to flash only).
I would change both sides since bulbs often are sold in pairs at auto parts shops and the other bulb could go soon.
Thread Starter
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Grand HDF Member
Joined: Jul 2017
Posts: 4,698
Likes: 5,297
From: Behind you, making faces
Taking a guess this is on the Fatboy.
Taking another guess you are referring to front turn signals.
From factory the front turn signals are an 1157 bulb.
The 1157 bulb has TWO filaments.
One filament is ON always when bike is ON.
The other filament is OFF unless blinkers are in use (used to flash only).
I would change both sides since bulbs often are sold in pairs at auto parts shops and the other bulb could go soon.
Taking another guess you are referring to front turn signals.
From factory the front turn signals are an 1157 bulb.
The 1157 bulb has TWO filaments.
One filament is ON always when bike is ON.
The other filament is OFF unless blinkers are in use (used to flash only).
I would change both sides since bulbs often are sold in pairs at auto parts shops and the other bulb could go soon.
But instead, I'm going to go to Walmart, which is a few miles closer, and get a pair for $4.25.
Thread Starter
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Grand HDF Member
Joined: Jul 2017
Posts: 4,698
Likes: 5,297
From: Behind you, making faces
New change of plans: I just ordered low-power LED 1157 replacements from Amazon and they're supposed to be here tomorrow. These are rated at 300% brighter than OEM. If I like them, I'll order another set for the rear.
Road Warrior
Joined: Dec 2012
Posts: 1,539
Likes: 692
From: magnolia tx
LEDs may not work with out a resistor, not enough resistance in a led to flash or will flash fast
Last edited by mike131; Jul 22, 2021 at 10:22 AM.
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Road Warrior
Joined: Dec 2012
Posts: 1,539
Likes: 692
From: magnolia tx
I think they do make some leds bulbs with resistors built in?? but I usually have to install a resistor and alot of leds I find are too large to fit under the lens
Last edited by mike131; Jul 22, 2021 at 10:16 AM.
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Seasoned HDF Member
Joined: Apr 2011
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From: W. Texas
The LEDs usually cause a turn sig to hyper flash on older bikes.
The flasher isn't going to like the low resistance of an LED bulb.
There's ways to fix it by adding a resistor to the circuits.
WP
The flasher isn't going to like the low resistance of an LED bulb.
There's ways to fix it by adding a resistor to the circuits.
WP