turn signal woe's


Information and questions on GL1500 Goldwings (1988-2000)
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basher
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turn signal woe's

Postby basher » Fri Jun 29, 2012 2:14 am



got everything working on the trike so out for a ride and the turn signal packed up.
was working when i set of.got it home and took the seat and backbox of again.
hazzards work and so does the horn,when you put the turn on the flasher unit is ticking fast,
tried swapping the flasher units but same result,hazzards work and turn signal dosent.
when the flasher unit is ticking non of the lights are flashing.
heres a pic of the bike in question.
thanks Bash



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WingAdmin
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Re: turn signal woe's

Postby WingAdmin » Fri Jun 29, 2012 10:14 am

Do none of the lights come on, either in left turn or right turn mode? Including the dash indicators?

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thrasherg
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Re: turn signal woe's

Postby thrasherg » Fri Jun 29, 2012 11:54 am

If the flasher relay is clicking very fast it usually indicates a short circuit. If the hazard lights are working, I would be looking for a short/problem in or near the actual indicator switch on the handlebars..

Gary

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Re: turn signal woe's

Postby WingAdmin » Fri Jun 29, 2012 12:21 pm

thrasherg wrote:If the flasher relay is clicking very fast it usually indicates a short circuit. If the hazard lights are working, I would be looking for a short/problem in or near the actual indicator switch on the handlebars..

Gary


That's what I was leaning toward as well - the location can be narrowed down by knowing whether it happens on both left & right, or just one direction.

basher
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Re: turn signal woe's

Postby basher » Fri Jun 29, 2012 2:10 pm

No lights at all left and right
What or how do I check the switch

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thrasherg
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Re: turn signal woe's

Postby thrasherg » Fri Jun 29, 2012 2:33 pm

I would be opening up the unit on the handlebar that contains the indicator switches and looking to see if anything is shorting/touching the metal handlebar where it passes through the middle of the housing.. Open the housing (remove 2 or 3 screws) and then turn on the ignition and try the indicator switch. If the indicators work then that tells you something is shorting when the unit is mounted on the handlebars (so look for the issue inside the housing), if the indicators still don't work when you have opened the housing then it would probably suggest the fault is else where and not inside the switch housing.

Gary

basher
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Re: turn signal woe's

Postby basher » Fri Jun 29, 2012 3:07 pm

I already have it taken of the handlebars and couldnt see anything obvious inside,
If theres a short will the flasher unit still tick.
Thanks for your help,Bash

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thrasherg
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Re: turn signal woe's

Postby thrasherg » Fri Jun 29, 2012 6:20 pm

If the short is on the bulb side of the flasher relay, then the relay will work, but very quickly (but the bulbs wont light up).. If the short is before the relay then the relay won't do anything. If removing the switch from the handlebar and then trying to operate the indicators doesn't make them work, then I suspect you are looking for a short between the switch and the bulbs, but I don't then see how the hazard lights would work as a short in the bulbs would also effect the hazard relay (That's why I thought the short must be in the switch). Guess I need to look at the schematic for the 1500 and see where there could be a problem, might be an issue with the cancelling unit for the indicators..

Gary

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Re: turn signal woe's

Postby Uncle Fester » Sat Jun 30, 2012 12:58 am

I would lean towards a low load situation on the flasher circuit , did you add LEDs recently, or maybe use standard bulbs instead of HEAVY DUTY bulbs?

On my old Yamaha Venture Royale, if I used standard bulbs instead of heavy duty bulbs, I had the same problem, 4ways worked ok, but turns did not, and had a fast ticking from the flasher unit. Thermal type flashers, the ones costing UNDER $5.00 , need a certain load (resistance) load. you can also get the ELECTRONIC flashers (about $10.00 - 15.00) and they work great, those will flash from one to ten bulbs at the same cadence no matter what.

Good luck and keep us posted.
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Kiwi2
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Re: turn signal woe's

Postby Kiwi2 » Sat Jun 30, 2012 6:36 am

The flasher unit could be shot and you need a new one, Normally if a indicator light is flashing real quick it means that one of the bulbs has blown ........ but I still would check the flasher unit.

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thrasherg
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Re: turn signal woe's

Postby thrasherg » Sat Jun 30, 2012 11:14 am

But he says the lights work on the hazard switch, so it can't be a blown bulb. Also neither side works, so that would require 2 bulbs to fail, one on each side. He said it all worked when he started the ride, so it is unlikely that two bulbs, one on each side failed whilst he was riding. I think it has to be a wiring issue somewhere.. Either a short or open circuit, I was thinking it was a short because the flasher was clicking fast, but as the hazard lights work, I now have to change my opinion and think it must be a broken wire between the flasher relay and the lights. I think he needs to get a multimeter and start checking the wiring from the flasher relay to the indicator switch. If the problem was after the switch only one side would not operate (unless two wires went open circuit, which is unlikely), so for both sides to stop working the fault has to be before the indicator switch, or as mentioned earlier, the canceling unit is causing the relay to not operate correctly. I do not have a wiring diagram for this bike so cannot suggest how to check the canceling unit.

Gary

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Kiwi2
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Re: turn signal woe's

Postby Kiwi2 » Sat Jun 30, 2012 4:10 pm

Got me beat at the moment I will have to have a think. :(

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Re: turn signal woe's

Postby WingAdmin » Sun Jul 01, 2012 12:49 am

It could be a bad connection somewhere in the turn circuit - from the power, flasher, to the switch. If a connection had gone bad, it might be restricting the current flow - so little current that it's not enough to light up the light bulbs, and only enough to just barely heat up the bimetallic strip in the flasher, so it would cycle very quickly.

Hook up an ANALOG volt meter in place of one of the turn signal bulbs, and watch to see what the voltage shows when the turn signal is engaged (a digital meter won't be fast enough to show what's going on). If the voltage isn't going 0-12v-0-12v, and is instead doing something like 0-5v-0-5v, then that's a good indication that this could be the problem.

basher
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Re: turn signal woe's

Postby basher » Sun Jul 01, 2012 8:15 am

Ok,got the switch apart and the centre wire shows 11.4v,as soon as I switch it it goes down to 0.15v.
Does this help.cheers,Bash
ok,following the instructions in the haynes manual i just checked the self cancelling unit,it said to connect a voltmeter between the white/black wire and spin the front wheel and it should read 0 to 10v and i get nothing.
cheers,Bash

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robb
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Re: turn signal woe's

Postby robb » Sun Jul 01, 2012 12:16 pm

Rapid flashing is a clear sign of load imbalance and it is possible that the problem exists in the wiring plug where left and right signals are together. It could be a wet plug commection that has been allowed to deteriorate the connection. Try replacing flasher relay with solid state unit and check for outage. The use of dielectric grease in all plugs and sockets will ensure many miles of care free service.

basher
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Re: turn signal woe's

Postby basher » Sun Jul 01, 2012 2:23 pm

bad contact in the brown 6 pin plug above left fan housing.
thanks again for all the help,Bash

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Kiwi2
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Re: turn signal woe's

Postby Kiwi2 » Sun Jul 01, 2012 9:00 pm

Pleased you got it sorted.




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