"Stop Light" warning light

apeluv · Jul 9, 2015

Anyone know what the "Stop Light" warning light means?
I just put on the CW fender eliminator and the warning light came on for a few seconds when the key is on but engine not running. The bike still runs just fine, I just get the warning "Stop Light" when the engine is not running but key on.
What's up with that???

Gecko · Jul 9, 2015

This message means that the ECU cannot detect a rear break light. Does your rear break light still work?
If not: you forgot to reconnect the rear light assembly correctly.

apeluv · Jul 9, 2015

Gecko said:
This message means that the ECU cannot detect a rear break light. Does your rear break light still work?
If not: you forgot to reconnect the rear light assembly correctly.

Rear brake light still works just fine...
The warning light goes off, and stays off, when the engine is running.

DLIT · Jul 9, 2015

Brake light is inop. Gotta be careful with the wiring of these bikes, especially when wiring your own elim kits. I had to buy a new wiring loom for the rear because the previous owner hacked the wiring big time, to where none of my blinkers worked.

DLIT · Jul 9, 2015

Just read it works fine when the engine is running. Like I said the wiring is finecky and there's probably a small glitch causing the alert to come on when the bike isn't ruinning. I have no idea the cause of it, though, sorry.

Motovid · Jul 9, 2015

Indeed stop light warning light with little engine icon = brake light;

had this happen on couple occasions during recent spirited rides (big red light with exclamation) takes the entire screen, seemed to occur while on the gas.

Then, would come back after minimized under brakes (perhaps connecting, disconnecting).

So I had Moto Union check it, see where the disconnection was and make sure there wasn't something else awry. All good, just loose.

At the time in the midst of a ride and totally taken out of context, thought the bike was tellin me to STOP ! (Assumed it meant something with engine due to the icon used) ..... When it was simply informing me, my brake (stop) light was not functioning .... Quite important for the street of course.

Shimmy and shake can make stuff loose

Gecko · Jul 9, 2015

Does this CW Fender Eliminator only connect to the direction indicators or also to the rear light? If not, I guess the connector to the rear light came loose.

ECU initially checks for existence of the rear brake light by sending a 100ms long 12VDC pulse. If the measured load is approx. less than 5W the warning appears on the dashboard.

apeluv · Jul 9, 2015

Gecko said:
Does this CW Fender Eliminator only connect to the direction indicators or also to the rear light? If not, I guess the connector to the rear light came loose.

ECU initially checks for existence of the rear brake light by sending a 100ms long 12VDC pulse. If the measured load is approx. less than 5W the warning appears on the dashboard.

Also the rear light... I'll look at the connections again to make sure they're tight..

apeluv · Jul 11, 2015

"Stop Light" warning light

Took to the dealership. They said the bike is on the "bus" system and because it's an aftermarket light it probably doesn't read the correct voltage when the bike is not running. Also noticed the brake light nor blinkers work when bike is not running. But when running; the warning light goes away and all lights work properly. They said don't worry about it.

Vicati · Oct 28, 2019

yeah I'm having the same issue but when the bike is running it keeps showing me the message on the screen, when I click the brake the light doesn't light up... but it is working just doesn't get brighter when the light is put on.

Vicati · Oct 30, 2019

anyone find a fix?

Stino81 · Jan 31, 2024

Seguo stesso problema errore luce freno

"Stop Light" warning light

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