Brake light woes - Honda Shadow Forums : Shadow Motorcycle Forum
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post #1 of 22 (permalink) Old 06-15-2019, 10:56 AM Thread Starter
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Brake light woes

Ok so I've been searching through some threads on this. I sprayed the controls with contact cleaner and checked the fuses. When I turn the key, front light works, turn signals work and if hit the brake, that rear light works too. But the tail light and license plate light don't turn on. I thought maybe the bike had to be running, tried that too and nada. If I turn the key to the left to lock the handlebars, the tail light and license plate do turn on. Im guessing this is some parking mode?? Anyways, pretty odd. Anyone have some suggestions?

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post #2 of 22 (permalink) Old 06-15-2019, 01:04 PM
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At first blush, sounds like it may be a problem in a connector in your wiring harness that has a couple loose leads that get pushed together when you turn your steering head full left.. Just a guess, though.


If it jams, force it. If it breaks it needed replacing anyway.
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post #3 of 22 (permalink) Old 06-15-2019, 01:16 PM
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Backtrack from your taillight and look for broken wires or a loose or dirty connection.

http://2007 Shadow Spirit VT750C2, Ride bell by h13man, Ride cross by Capt D
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post #4 of 22 (permalink) Old 06-15-2019, 01:17 PM
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Yes there is a parking position on the ignition switch to the left.

I am wondering if the bulb check unit is failing? It is called the stop and tail warning system and shows a red light on the dash if a tail or brake bulb burns out. Does that red light come on with the key for a second or two.
It may be bypassed in the parking position and that is why the lights work then.
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post #5 of 22 (permalink) Old 06-15-2019, 03:15 PM Thread Starter
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Originally Posted by swifty2014 View Post
Yes there is a parking position on the ignition switch to the left.

I am wondering if the bulb check unit is failing? It is called the stop and tail warning system and shows a red light on the dash if a tail or brake bulb burns out. Does that red light come on with the key for a second or two.
It may be bypassed in the parking position and that is why the lights work then.
No the only red light that is on is the oil light, and that goes away after i start the bike. I figured I was going to have to chase the wires back to the tail light, but was hoping maybe there was something more obvious. I tried wiggling the cables to see if i had a bad connection, nothing yet.
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post #6 of 22 (permalink) Old 06-15-2019, 04:51 PM Thread Starter
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Ok took headlight apart. 2 things stand out. One there is a brown wire not connected to anything. I don’t see any other wire it would connect to. Also there is this fused connection. Not sure what that is for yet. Fuse looks ok though.
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post #7 of 22 (permalink) Old 06-15-2019, 05:26 PM
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Try a new bulb


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post #8 of 22 (permalink) Old 06-15-2019, 06:01 PM Thread Starter
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Try a new bulb


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that was the first thing i did
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post #9 of 22 (permalink) Old 06-15-2019, 08:29 PM
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Has someone been "working" on the lki9hgts before you got the Bike?

Hmmm,
D

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post #10 of 22 (permalink) Old 06-15-2019, 08:49 PM Thread Starter
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Has someone been "working" on the lki9hgts before you got the Bike?

Hmmm,
D
I'm going to safely assume that yes, its been messed with. It hasn't run in many years. But besides the tractor pipes for mufflers, everything looks really good

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