Brake and turn signal wires.

Maldayven

.020 Over
Joined
Dec 3, 2023
Messages
16
Ride
2023 Triumph Rocket 3 GT Chrome
Does anyone have a diagram, or can pinpoint the location of the wirea for the turn signals, and the brake light?
I have some aftermarket led underglow installed, and it has options to sync the lights with the turn signals and brake lights, but I am not sure which wires they are.
 
There should be a harness under the fender with those wires.
 
atomsplitter said:
There should be a harness under the fender with those wires.
Click to expand...
I just found the right turn signal, but the brake and left turn is apparently not in the same harness somehow, or the led kit just doesn't work right
 
I have the wiring diagram for the older models. The post 2020 models (3 vs. III) don't use a flasher unit, flasher control is part of the ECU so flash rates can be adjusted (my 2022 Speed Triple has that function). Page 46 of your owners manual discusses use of the joystick handlebar switch for turn indicator operation. The physical harness that has the brake light and turn indicators should be between the rear fender tray and fender. Someone that's installed LEDs should probably chime in here.
 
There is a link available on the forum for a complete service manual for the R/GT.

Found this diagram there for the wiring harness routing: Indictaors are seperate from the brake light.
 
I'm starting to think the led kit just doesn't work properly with the left turn and braking function, since the right turn works perfectly fine, but when I attach the brake or left turn it goes straight to the color for that mode and doesn't change.
 
Maldayven said:
I'm starting to think the led kit just doesn't work properly with the left turn and braking function, since the right turn works perfectly fine, but when I attach the brake or left turn it goes straight to the color for that mode and doesn't change.
Click to expand...
Because of ECU CAN BUS is locked on this bike and no body has been able to put after market brake lights, you need to find someone who can hack the ECU to make it work, even companies who used to make aftermarket brake lights are not able to make one so far for this 2.5 rockets brake lights are being controlled by ABS computer, there are no ordinary brake light switch on broth front and rear brake lever on this bike.
if you find one who has done it, I am curious how because no body has been able to bleed ABS pump without going to dealer yet, I have all software on market which so called claimed to bleed ABS on this bike but they are saying now, "sorry"
good luck
 
Last edited:
Well they arnt aftermarket brake lights, just led underglow that is supposed to have a function that turns the lights red if you hit your brake, and flash yellow when you use a turn signal. The flashing yellow works perfectly when I use the right turn signals, but not left, or brake mode.
 
anything not triumph is aftermarket.
 
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