New Problem - My left turn signal only works intermittently. - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 21 (permalink) Old 08-24-2019, 04:43 PM Thread Starter
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New Problem - My left turn signal only works intermittently.

I'm sitting here at work so I can't go pull it apart and look at it, figured I'd get some input first if I could.




After sitting for two years, my left turn signal is now only working intermittently. Sometimes it'll flash when I turn it on, sometimes it won't. Right turn signal works every time flawlessly. Left signals flash when I turn on the hazards no issue.



I'm assuming it's just the switch and taking the handlebar box the switch is on apart and giving everything a good cleaning an dielectric greasing should clear it up, right? There's no extra circuit that could be bad?
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post #2 of 21 (permalink) Old 08-24-2019, 07:38 PM
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Look at the connector to the signals..... not waterproof, may be corroded and bridged..... cleanup in aisle 3!
Might also be the bulb contacts intermittent.

Ray
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2014 FJR1300A - Root Beer
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post #3 of 21 (permalink) Old 08-24-2019, 08:03 PM
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What year bike? I am assuming not a Series III as they are wired very differently from what you would expect. Suggest you add the year of your bike to your signature.



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Originally Posted by RaYzerman View Post
Look at the connector to the signals..... not waterproof, may be corroded and bridged..... cleanup in aisle 3!
Might also be the bulb contacts intermittent.

Check the simple stuff first.

2013 FJR1300A
1984 GPz750
Series III fairing removal:

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post #4 of 21 (permalink) Old 08-24-2019, 08:05 PM
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What year bike? (Add year of bike to your signature.)



Very important as the Series III FJRs are not wired like most bikes you are familiar with.

2013 FJR1300A
1984 GPz750
Series III fairing removal:

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post #5 of 21 (permalink) Old 08-25-2019, 05:42 AM
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I had that with a rear bulb once. Searched and searched, checking connectors and contact points and switches, blah, blah, blah. Finally replaced the bulb. Done!

Seriously, if you're going to pull the plastic to inspect the connector, etc. replace the bulb while you're there.
sector7g and 2014oldred like this.

Russ
2007A

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post #6 of 21 (permalink) Old 08-25-2019, 05:45 PM Thread Starter
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Sorry, it's a 2007. I could have sworn I had that listed somewhere.




I don't think it's the bulb itself because even if the left signal doesn't work, all the lights flash fine with the hazards on. And it'd have to be both left bulbs or I'd get a fast flash out of one and nothing from the other if one bulb were bad
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post #7 of 21 (permalink) Old 08-29-2019, 03:17 AM Thread Starter
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Tore down the switch, cleaned and dielectric greased everything. Right signal works fine, hazards work fine, left signal is currently not working.


Earlier today my left signal worked for a ride. Then it stopped working with just the left signal on half way home.






Really not sure how to proceed to next from here but it's now 3am and I've accidentally tapped the horn six times and I'm afraid my wife might come beat me with a wrench if I wake her up.

2007 FJR1300A. The A refers to where the pain is.
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post #8 of 21 (permalink) Old 08-29-2019, 07:42 AM
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I just looked at the Haynes 2006-2007 wiring diagram.


Now let me get this straight:
Hazards work.
Right turn signals work.
... All of them? Front, rear, and dash indicators?
Left turn signals do not work?
... All of them or just the front does not work?

2013 FJR1300A
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Series III fairing removal:

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post #9 of 21 (permalink) Old 08-29-2019, 08:07 AM
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Aran.... see post #2... go there and check it out.

Ray
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post #10 of 21 (permalink) Old 08-29-2019, 08:56 AM Thread Starter
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Quote:
Originally Posted by JohnC View Post
I just looked at the Haynes 2006-2007 wiring diagram.


Now let me get this straight:
Hazards work.
Right turn signals work.
... All of them? Front, rear, and dash indicators?
Left turn signals do not work?
... All of them or just the front does not work?

Hazards work 100% with both dash indicators and all four signals. Right signals work 100% with dash indicator and both signals.


Left signals will either work 100% with dash indicator and both signals or not at all, coming and going.


Quote:
Originally Posted by RaYzerman View Post
Aran.... see post #2... go there and check it out.

That's on the list of things to look at but with the way the hazards still work 100% of the time it's not high on the suspect list. I'm not an expert though so for all I know there's separate wires in the connector for hazard and individual signalling

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