SOHC.co.uk Forums > CB500/550
Flasher relay
350ducati:
Would someone be kind enough to tell me where i can get a replacement?
David silver only does US ones? i don't know what the difference is.
I'm getting N/S indicators but not O/S.
I don't know if its possible to fix it? when i select O/S indicators inside the relay its not "alternating" just holding it against the electro magnet? and just sparking across the other contact.
Electrics aren't my strong point but i thought id have a look!
Bryanj:
If one side is working and the other not its not a relay problem its EITHER wrong bulb wattage OR bad earth contact.
You can fit any relay that is for 2 x 21 watt + 1 x 3 watt, go to halfords and get the cheapest car elactronic one you can and that should work, or any bike dealer that uses Hi-Level as a supplier
SteveD CB500K0:
As Bryan says, there's only one relay, so if one side works and the other not, it's something else so don't waste your money on a new one!
The relay works on the basis that the load (current) generated by the bulbs causes the bi-metal strip to heat and bend, breaking the contact. The strip cools and bends back, remaking the contact. Pretty basic stuff compared to modern ECU-controlled bikes!
If the load is not high enough, the strip will not heat enough to bend and the flasher won't flash. This could be caused by a blown bulb or a bad connection. The latter is more often than not the case. Check the green (earth) connections to each indicator. In my experience this is the problem 99% of the time.
Good luck - let us know how you get on.
Assuming the O/S indicators come on (both of them) but don't flash
350ducati:
thanks for the replys guys, ill look into it. I presume it will be a bad contact
I took the bike out and it fixed itself! so when i get a second ill have a mess.
thanks :)
SteveD CB500K0:
Aren't these bikes great? They fix themselves!
Seriously, it must be a bad connection and will stop working again at some stage.
Clean the earth connections and then go through the bullet connectors (but wait for a sunny afternoon).
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