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SOHC.co.uk Forums
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CB350/400
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Indicators will not flash
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Topic: Indicators will not flash (Read 5177 times)
Golfcarmad
SOHC Associate
Posts: 84
Indicators will not flash
«
on:
May 09, 2020, 12:33:02 PM »
Hello everyone.
Well the 400 is finally finished.
Starts on the button-sounds awesome.
Only problem now is indicators don’t flash-they come on-front and rear and console.
Relay clicks once-but no flashing.
Every other lightetc works perfect.
Relay swapped for working item-still no wink wink.
Open to suggestions please?
Thanks
Paul
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More bikes than sense!!
Honda 400/4 (almost fully rebuilt)
Triumph TR25W
Yamaha Virago 1100
Suzuki GSX750ES
Yamaha Virago 535
Honda CBR500F (Import)
Francis Barnett Plover
Puch Maxi 2 speed (makes me smile)
Cb100n cafe racer
50cc scooter (now does 52 mph)
Johnwebley
SOHC Jedi
Posts: 3621
Re: Indicators will not flash
«
Reply #1 on:
May 09, 2020, 12:53:01 PM »
Are you using standard bulbs?
Sent from my SM-A750FN using Tapatalk
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lifelong motorcycle rider,and fan
mike the bike
SOHC Jedi
Posts: 2652
CB400F, Royal Enfield Interceptor.
Re: Indicators will not flash
«
Reply #2 on:
May 09, 2020, 12:54:40 PM »
Supposed to be 12V, 21W blubs. Are you certain that the replacement flasher relay works ok.
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Where's that 10mm socket got to?
Golfcarmad
SOHC Associate
Posts: 84
Re: Indicators will not flash
«
Reply #3 on:
May 09, 2020, 02:45:55 PM »
Thanks for advice.
New indicators are 10w bulbeds (not LED).
Pulled all my lovely wiring apart and connected 21w indicators to right hand side-
No difference-still no flashing.
I don’t think I need to connect all 4.
Confident new relay works fine as fellow forum member sent it to me after checking it works.
So where next??
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More bikes than sense!!
Honda 400/4 (almost fully rebuilt)
Triumph TR25W
Yamaha Virago 1100
Suzuki GSX750ES
Yamaha Virago 535
Honda CBR500F (Import)
Francis Barnett Plover
Puch Maxi 2 speed (makes me smile)
Cb100n cafe racer
50cc scooter (now does 52 mph)
billywingnut
SOHC Associate
Posts: 56
Re: Indicators will not flash
«
Reply #4 on:
May 09, 2020, 03:36:35 PM »
It's usually bad earths if your wiring is standard
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bobv7
SOHC Expert
Posts: 306
Re: Indicators will not flash
«
Reply #5 on:
May 09, 2020, 05:03:39 PM »
"It's usually bad earths if your wiring is standard"
Second that.
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Nurse Julie
1977 CB550/4 Mongrel Brat. 1974 UK 500/4 K1. Honda CD250u.
Grogu
Posts: 8661
Re: Indicators will not flash
«
Reply #6 on:
May 09, 2020, 05:06:53 PM »
I third that 😊😊😊
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LINK TO MY EBAY PAGE. As many of you know already, I give discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562
LINK TO MY CB400/4 ENGINE STRIP / ASSESSMENT AND REBUILD...NOW COMPLETE
http://www.sohc.co.uk/index.php/topic,14049.msg112691/topicseen.html#new
Golfcarmad
SOHC Associate
Posts: 84
Re: Indicators will not flash
«
Reply #7 on:
May 09, 2020, 05:12:44 PM »
Ran Earth direct to frame then direct to battery-no difference.
On basis not an earth issue,any other thoughts-please?
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More bikes than sense!!
Honda 400/4 (almost fully rebuilt)
Triumph TR25W
Yamaha Virago 1100
Suzuki GSX750ES
Yamaha Virago 535
Honda CBR500F (Import)
Francis Barnett Plover
Puch Maxi 2 speed (makes me smile)
Cb100n cafe racer
50cc scooter (now does 52 mph)
philward
SOHC Jedi
Posts: 2765
Re: Indicators will not flash
«
Reply #8 on:
May 09, 2020, 05:18:17 PM »
Think I had this when I built CR Rep - seem to remember (was a few years ago) it was the wires the wrong way round on relay? (aftermarket relay was used)
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Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)
Johnwebley
SOHC Jedi
Posts: 3621
Re: Indicators will not flash
«
Reply #9 on:
May 09, 2020, 05:19:07 PM »
Remove the relay.
Is it a standard unit?
See if you can try it on another vehicle.
Should work on cars etc.
Sent from my SM-A750FN using Tapatalk
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lifelong motorcycle rider,and fan
SumpMagnet
SOHC Pro
Posts: 757
Re: Indicators will not flash
«
Reply #10 on:
May 09, 2020, 05:23:08 PM »
I usualy go for a step by step appraoch with wiring...
Disconnect the indicators.,.... then connect just hte earth side. Apply 12V to theother indicator wire...see if it lights. Then reconnect...and go to the next step in the wiring to see where it tkaes power from ...like the relay. Disconnect...and apply voltage...see if the bulb lights. And so on. Once you know the basic wires connect corectly, and hte switch operates...then worry about the relay.
BUT....if none of them are working, and the earths are good, Most likely it's the relay or the switch.
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CB750F2 - in pieces
CB900F Hornet - the daily transport
Golfcarmad
SOHC Associate
Posts: 84
Re: Indicators will not flash
«
Reply #11 on:
May 09, 2020, 06:33:19 PM »
Just to confirm-indicators and console light all work-just no flashing.
Relay is genuine item and working before being posted to me a few days ago.
However will try all suggestions offered.
Many thanks
Paul
Logged
More bikes than sense!!
Honda 400/4 (almost fully rebuilt)
Triumph TR25W
Yamaha Virago 1100
Suzuki GSX750ES
Yamaha Virago 535
Honda CBR500F (Import)
Francis Barnett Plover
Puch Maxi 2 speed (makes me smile)
Cb100n cafe racer
50cc scooter (now does 52 mph)
mike the bike
SOHC Jedi
Posts: 2652
CB400F, Royal Enfield Interceptor.
Re: Indicators will not flash
«
Reply #12 on:
May 09, 2020, 06:45:22 PM »
It's unlikely to be an earth fault if the bulbs light up. The relay relies on 44.2W of bulbs, (which takes 3.8amps) to discharge the internal capacitor so you get the correct flash rate. That's 2 x 21W plus the little one. If you go sticking 10W bulbs in or LEDs, it isn't going to flash.
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Where's that 10mm socket got to?
SteveD CB500K0
Administrator
SOHC Jedi
Posts: 4623
Ride on the Steel Breeze...
Re: Indicators will not flash
«
Reply #13 on:
May 09, 2020, 06:45:54 PM »
Maybe it was damaged in the post?
They are mechanical after all.
Sent from my iPhone using Tapatalk
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1971 CB500K0
Bryanj
Grogu
Posts: 12191
Re: Indicators will not flash
«
Reply #14 on:
May 09, 2020, 08:48:59 PM »
Frequently need engine running for flashers to work
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Indicators will not flash