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2007 Breva 750ie signal light help

Loki610

Loki610

Tuned and Synch'ed
GT Contributor
Joined
Jun 12, 2017
Messages
31
Location
Lethbridge, Alberta
Ive got a bad dash on my Breva that's giving me constant power to the right side signal lights. I've had a new dash on order for 2 months, and I haven't found a used one for less than new price.

I'm thinking there has to be a way to wire around the dash using the existing switch and wiring.

I tested the voltage coming off the handlebar switch and its 12.5 volts. Is it just so simple as wiring #1 wire (switch to dash) to a signal relay then connecting to #30 (right signal output)? I know nothing about relays so I'm not sure how to make this work.
 
Yes it is that simple as long as the switch can handle 12v. I thought with the signals on the dash it was 5 volts and then converted to 12 v through the dash. Don't remember. That would mean that the switch has a 12v supply all the time. I am not sure how likely that is. Worse case is you would need to supply 12v to the switch. You need to pull out the wiring diagram and see how it is set up.

Check the left side that is working and see what the voltage out of the switch to ground is when it is off. If it is indeed 12 volts then you can wire the right side through an automotive signal relay. Just google search the relay and wiring for it. All you should need is a ground and then a wire to the lights.
 
Just got a chance to look at the drawing and yes there is a constant 12 v supply to the switch and then u select which way to send the power. Just look up the wiring of an automotive relay and you should be good. Just don't see a way to wire into the existing dash light to tell you the signal is on. When u turn on the right signal does the dash light come on. If so then just disconnect the output from the dash to the signals and piggyback the right side output from the switch. That way you will get power to both. Just won't blink on the dash.
 
What you guys are calling a relay, we south of you call a flasher. That is usually placed on the supply side of the turn signal switch so you only need one. The load from the filament of the bulb will activate the flashing function. Something like this. https://www.amazon.com/Bussmann-NO-...id=1503195483&sr=8-4&keywords=12+volt+flasher

To install a flasher would take quite a bit of modification to the existing wiring of the bike. Not to mention the routing of power to the turn signals from the switch.
 
canuck1969 said:
Just got a chance to look at the drawing and yes there is a constant 12 v supply to the switch and then u select which way to send the power. Just look up the wiring of an automotive relay and you should be good. Just don't see a way to wire into the existing dash light to tell you the signal is on. When u turn on the right signal does the dash light come on. If so then just disconnect the output from the dash to the signals and piggyback the right side output from the switch. That way you will get power to both. Just won't blink on the dash.
Click to expand...

When I rode it today I disconnected the front right signal connector and removed the bulb from the rear. Left side worked normally but the dash indicator didn't work and I noticed the passing light didn't either, although high and low beam work seem to work fine.
 
john zibell said:
What you guys are calling a relay, we south of you call a flasher. That is usually placed on the supply side of the turn signal switch so you only need one. The load from the filament of the bulb will activate the flashing function. Something like this. https://www.amazon.com/Bussmann-NO-...id=1503195483&sr=8-4&keywords=12+volt+flasher

To install a flasher would take quite a bit of modification to the existing wiring of the bike. Not to mention the routing of power to the turn signals from the switch.
Click to expand...

If that would work that would be a nice cheap fix, this bike has a history of being expensive for me!
 
Have you tried unplugging the dash and spraying contact cleaner over the pins and socket before reassembling? These faults are often poor contacts on the pins.
 
Brian UK said:
Have you tried unplugging the dash and spraying contact cleaner over the pins and socket before reassembling? These faults are often poor contacts on the pins.
Click to expand...

Yes I've done all that as well as checked the system for shorts and grounds.
 
Finally got to town to get the parts and put that flasher between 1&30 on the harness. It seemed to work so after having a mental debate I cut the wires and added in the flasher. It flashes a little slower on that side but it's better than nothing. Hazards no longer work of course and the dash indicator for signals doesn't come on, but I'm excited to ride again after being down for 2 months of summer!

Thanks for the help!
 
I have a 2006 model , that I bought at a clearance sale in early 2007. I have allways had problems with the indicators.
I have tried everything, short of re wiring. Some days all flashers work, some days one of the front ones stop working.
Sometimes poking and moving the wires , works, sometimes not.
The flash indicator, goes twice as fast, when one indicator is not working, so I just use hand signals, if anyone is around.
 
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