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Discussion Starter · #1 ·
Just bought 2007 street bob, the dealer is 160 miles away. Didn't notice it til got home the next day but when bike is running the left rear blinker stays on like a running light, but I know the fronts are the only running lights. So why is just the left rear staying on? It still blinks when using the blinker tho. If dealer was much closer Id take it back see if theyd fix it.
 

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Just bought 2007 street bob, the dealer is 160 miles away. Didn't notice it til got home the next day but when bike is running the left rear blinker stays on like a running light, but I know the fronts are the only running lights. So why is just the left rear staying on? It still blinks when using the blinker tho. If dealer was much closer Id take it back see if theyd fix it.
Follow the wiring under the fender. Likely that you have a rubbed spot causing a short.
 

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Mississippi Cajun
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Follow the wiring under the fender. Likely that you have a rubbed spot causing a short.
Mason, all that experience...you're getting good at this.:)
 

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Just bought 2007 street bob, the dealer is 160 miles away. Didn't notice it til got home the next day but when bike is running the left rear blinker stays on like a running light, but I know the fronts are the only running lights. So why is just the left rear staying on? It still blinks when using the blinker tho. If dealer was much closer Id take it back see if theyd fix it.
It may have the kit to make the lights into running lights. Check the bulbs to make sure they are good. Look under the seat for the conversion module .

Auxiliary Brake Light/Running Light/Turn Signal Conversion Kit-69463-06B | Turn Signals | Official Harley-Davidson Online Store
 

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Discussion Starter · #5 ·
No kit. My first thought maybe the bulb was shorting out causing it so I switched the left and right bulbs that didn't fix it. I figured it maybe a ground but before I dig in I thought id get some thoughts first and get idea where to start.
 

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Discussion Starter · #7 ·
ok no rubbed wires causing a short. If I turn the left blinker on then turn it off the rear marker goes off for a sec then comes back on like a running light,(unlike the front as soon as I turn off the blinker the light comes on). So I wonder if there is a diode or something that operates the running markers that is bleeding thru. Any Ideas?
 

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Check the lights in the rear. Should be single filament (1156) bulbs, while the front should be dual filament (1157). If you are unsure, a pair of 1156 bulbs should be like $3 at your local stop and rob (convenience store).
 

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09 Dyna Super Glide
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If the previous owner of the bike installed one of the modules that are used for LED bulbs or to change the rear turn signals into running lights or to turn the brake, and or, turn signals into flashing lights when the brakes are applied, then that module might have gone bad.

When the module on my Dyna failed it had the rear turn signals and brake light doing all sorts of weird stuff. I first noticed it when I stopped for gas in Lake Lure. It took about five minutes to take off the seat and remove it. Everything worked as it should afterwards.

Pete

Just bought 2007 street bob, the dealer is 160 miles away. Didn't notice it til got home the next day but when bike is running the left rear blinker stays on like a running light, but I know the fronts are the only running lights. So why is just the left rear staying on? It still blinks when using the blinker tho. If dealer was much closer Id take it back see if theyd fix it.
 

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Or there's a short to B+, 2 positive wires shorting together. Otherwise the TSM could be faulty or the plug at the TSM.
 

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The left turn signal is powered by the Turn Signal Module, the wire leaves the module and branches out to the front, rear and dash indicator lamps.

Not only do you have an issue with that left rear always on, but if one is on, the front signal and the dash indicator should also be on, check those bulbs.

The TSM cannot make only one bulb illuminate.

Check the left rear signal, make sure it has a single filament bulb and socket.
 

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The connector for the rear lights is inside the tail light housing. 2 screws to remove the tail light assy then check the turn signal wire connector inside. My thinking is the short to B+, like the tail light hot wire (blue), is touching the left directional wire (violet) causing the light to stay on.
 

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Discussion Starter · #13 ·
Hopefully the weather will warm up a bit to really dive into it. I just want to add this. The rear bulbs are single filament the fronts are double filaments. Had the rear fender off looking for maybe a rubbed wire or bad ground could not find any. All indicators work as usual the left blinker works fine even the dash indicator comes on and it goes off after a turn automatically like suppose to, just after the left indicator is turned off the right rear comes back on a second later. The right side there is no issue. I am leaning toward a problem with the turn signal module, but not sure the specs or how to test it. I do appretiate all the help.
 

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You need to clarify which turn signal is the problem, you are contradicting yourself.

When the rear turn signal stays on, is the front signal or the dash indicator lamp illuminated also?

Is the rear signal bright, like when it flasher, or dimmer, like a running light?

Trying to figure out why only one lamp in a three lamp circuit would be on...

Are you sure that right rear socket is for a single filament lamp?
 
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