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Discussion Starter · #1 ·
Hi,

I bought two pairs of sequential LED turn signals to replace the stock ones on my 2015 Duke 390. After connecting they only light up halfway - the flasher relay restarts the signal before they are able to finish lighting up full length. I want to convert the indicator power to a constant 12V instead of flashing but I can't find the flasher relay for the turn signal anywhere.

Please help before I start taking the body apart.

Thanks!
M
 

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I replaced my turn signals with LED sequential turn signals as well. Mine cycle through completely, but faster (not double speed, but faster). The relay is under right at the front of the bike under the tank (mine is red with 2 pins). If you look from below, just behind the head tube you will find it. The body is not too hard to take apart - I have not removed the tank, just shimmed it up a bit to get easier access.
 

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Discussion Starter · #3 · (Edited)
Got the body off and the flasher out.

I was kinda hoping that without the turn signals would just be getting a constant 12V. Not the case.

What should I swap it for to just send a constant 12V to the turn signals?
 

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I will leave this to someone more knowledgeable. I just rewired the original connectors onto the signals and used them with the stock relay as I didn't want to tinker with the wiring. Is it a 2-pole relay? If I replace the turn signals, I will find some that are constantly on so that the relay can do what it is supposed to do.

Good luck!
 

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Discussion Starter · #5 ·
It was a 2-pole so I just grab a piece of wire and connected the 2 poles.

Success!

Thanks for the help locating the relay
 

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So... you are saying just put a jumper between the 2 wires and call it done (effectively no relay). I may have to give myself something to do while I am bored...

My bike is the same (2015), but black. Turning it into a mini ADV Scrambler - picked up an R6 shock for the conversion (just need a spring now).

Glad the signals worked out.
 

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Discussion Starter · #7 ·
So... you are saying just put a jumper between the 2 wires and call it done (effectively no relay). I may have to give myself something to do while I am bored...
Hahah that's exactly why I'm doing this.

Here's the "hack" - that's the connector the flasher was plugged into. I'll put some shrink wrap on it and that's it
53026


Turning it into a mini ADV Scrambler - picked up an R6 shock for the conversion (just need a spring now).
Sounds fun. Got the ADV 950 last summer and she's f'in heavy even without panniers.. I was thinking about swapping for something lighter actually
 

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This will sound dumb but I took the bike apart trying to find that flasher relay without any luck?! 2013 Duke 390, EU version.. Is it shown below??
Font Auto part Art Fashion accessory Circle
 

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Discussion Starter · #9 ·
This will sound dumb but I took the bike apart trying to find that flasher relay without any luck?! 2013 Duke 390, EU version.. Is it shown below??
View attachment 53768
On my schematic it looks different - just a box with a connector straight out of it instead of a pigtail - but it is where #5 is so I assume that's the one
 

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dude_373cc,

The parts showing when you search under your VIN # are the parts your bike came with.
By generally searching under Duke 390, 2013 EU gives you the options, with or without ABS which may make the difference.
Not sure but most likely it is # 19 on your diagram if not all others (# 6) are the same.
 

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Number 6 and 19 relays are shown exactly the same on @mholcer 's diagram so I assumed these are doing something else since that diagram also shows the additional #31 which is the flasher relay but on my diagram is completely missing..
On the bike, I've looked at relays on the side of the tank so 2x #6 and 1x #19 but all these relays got >4 wires coming out of them when a flasher unit will have 2 or 3 max?
I haven't checked the 3x #6 relays in the tail because at a quick glance they looked the same as the front ones but will take a closer look.
 

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Can't find it either on mine. Have the tank up and nothing. AU 2013 model. I'm thinking we don't have one and that it's been built into the ECU on certain models. After referencing the wiring diagram, the power feed for the indicators into the left switch block comes directly from the "vehicle control unit". I located the wire behind the headlight which connects to "orange" into the switch block. Inserting a flasher relay on this line didn't work because the ECU is pulsing a signal along the line where the flasher relay wants constant voltage.

To get around this I spliced off the parking light power wire feeding into an LED flasher relay, and then out of the flasher to the orange wire which I disconnected from the 6-pin plug. So now the indicators are powered by the parking light power source (brown wire) which then routes through an LED relay and then into the switch block. Works perfectly including the indicator light on the dash.
 

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Can't find it either on mine. Have the tank up and nothing. AU 2013 model. I'm thinking we don't have one and that it's been built into the ECU on certain models. After referencing the wiring diagram, the power feed for the indicators into the left switch block comes directly from the "vehicle control unit". I located the wire behind the headlight which connects to "orange" into the switch block. Inserting a flasher relay on this line didn't work because the ECU is pulsing a signal along the line where the flasher relay wants constant voltage.

To get around this I spliced off the parking light power wire feeding into an LED flasher relay, and then out of the flasher to the orange wire which I disconnected from the 6-pin plug. So now the indicators are powered by the parking light power source (brown wire) which then routes through an LED relay and then into the switch block. Works perfectly including the indicator light on the dash.
No flasher relay, use vehicle control unit (INTEGRAL UNIT ) control.


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