Our bikes have seperate front turn signal grounds because they are rubber mounted. The grounds are the black/white wires that connect to the aluminum blocks inside the fork ears that the TS shaftes go through. The same black/white wires ground the headlight too. However, this is not a 100% reliable grounding scheme due to the fact it goes to the frame through the steering head bearing.
I had a frustrating problem with erratic TS function when I put my '75 back together. Sometimes normal function, sometimes slow flashing, sometimes only one side would work, etc. I fixed it by running a seperate ground from the frame that I jumped into the black/white circuit inside the headlight (thus bypassing the steering head bearings). Everything has worked perfectly since then. _________________ Currently - 75 Suz TS250, 02 Kaw ZX-6R
i tried grounding to the bolt holding the forks to the frame and it was no better.i have an electronic flasher,so i thought it might have gone bad,and bought another at an auto parts store.it would not even turn on the signals,let alone flash.so i put my original one back in.at least they light now.the flasher i have has all the writing worn off so i can't even begin to find another like it. it is rectangular and has a kind of belt clip on it.2 connector.again,it may not be that,but the switch works and the signals do light,the flasher clicks once when the switch is turned on,but no more.
I think it's most likely the problem is the ground circuit of black/white wires in the headlight that grounds the front turns signals. Here are a couple pics of the ground jumper I made (has blue crimp connectors) and where I grounded it to the screw on the frame.
Your electronic flasher should work as long as the turn signals are properly grounded. If you disconnect the 2 front ones completely, do the rear ones flash? _________________ Currently - 75 Suz TS250, 02 Kaw ZX-6R
Did you post the right link? The one you have there has pictures of dual filament bulbs like are used for combination tail/brake lights.
'74 TS250 turn signals have SINGLE filament bulbs and sockets. The double filament bulbs will not even fit a single filament socket and if they did they wouldn't work anyhow. _________________ Currently - 75 Suz TS250, 02 Kaw ZX-6R
so,at your suggestion i grounded the signals better,and it made no difference.if they light,they are grounded,right?they just don't flash.when i turn on a signal,the flasher clicks twice.when i first got them working,again,being an electronic flasher,they flashed without the bike running.i still think it's the flasher.
Agreed, if they light up normally but just don't flash the grounds are probably good. A replacement electronic flasher would be my next move. Fortunately, they are real cheap and pretty much any 6v one you can get at Autozone or similar should work.
Did you ever try it with the front ones disconnected? That might be informative. When i was having the issue with mine the electronic flasher did flash the rears all by themselves perfectly. However, I was going for authenticity and really wanted to use the original thermal flasher. The only way I could get that to work was with the bulletproof ground to frame I made.BTW, that bulletproof ground to the b/w wires in the headlight shell also helps keep your headlight bulb from burning out. _________________ Currently - 75 Suz TS250, 02 Kaw ZX-6R
Yes, they even flash with the engine off too - slowly. I just tried it a minute ago. That makes me wonder - how good is your battery?
I am not suggesting you use a thermal flasher though. They are a PITA. The solid state ones work better and if yours are having problems with a solid state I bet the thermal will be even worse. _________________ Currently - 75 Suz TS250, 02 Kaw ZX-6R
so i think i have determined that my electronic flasher is bad.ordered another one,be here monday.i want to ride today-street.i have a thermal flasher that came with the bike and would only work at a higher rpm.put it in,not expecting it to work at all-it worked fine-but not when i'm stopped.is there any fix for this?i saw a video of a guy that wired 10ohm 10watt resistors to his signals to make them flash.would that work here?
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