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turn signals not flashing

Discussion in 'XJ Technical Chat' started by blackthunder, Aug 25, 2010.

  1. blackthunder

    blackthunder Member

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    i just purchased a set of turn signals for my bike to get rid of the huge one that are stock. installed the rear ones last night but they just light up steady when i turn them on, they don't flash. am i doing something wrong?

    also i can't for the life of me figure out how to remove/install the front ones.

    help!
     
  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    The stock turn signals use the current draw to activate the flasher.

    It is not uncommon for aftermarket turn signals to come with 18W or 23W bulbs which do not draw as much current as the stock 27W bulbs.

    If your new signals use incandescent bulbs (NOT LEDs) then you can simply swap with higher-wattage bulbs.

    If you're trying to use LEDs then you will need to ---replace the flasher, in which case you will lose the self-cancelling feature without doing some re-engineering; or ---add some resistors to increase the draw.
     
  3. gratscot

    gratscot Member

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    Chances are you dont got enough resistance, I'm not 100% sure how they work but I know that the electrical system uses the light bulbs own resistance to make them flash, what your gonna have to do is put a resistor in the line.

    But now your gonna have to wait until someone who knows what their talking about replys to give you the specifics.
     
  4. 1904xj

    1904xj Member

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    Buy an electronic flasher you'll loose the self canceling unit but you can use any type of bulbs you want.
    I bought a relay at autozone for 7 bucks.
    The regular realy is three prong but I used a 2 prong. It has to be 12v.
    [​IMG]
    This is what I used.
    [​IMG]
    Plug it in these two slots.
    As for the front signals you have to go into the head light bucket to unplug the connectors. There's a bolt on the signal that loosens the stem unbolt that and pull the stem after you disconect the wires.
    Should be fairly simple.
     
  5. Metal_Bob

    Metal_Bob Active Member

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    Did you new blinkers come with single 1156 or dual 1157 type bulbs?
    See my post in my signature for my solution for replacement blinkers.
     
  6. blackthunder

    blackthunder Member

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    they are LED
     
  7. blackthunder

    blackthunder Member

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    took pics of front signal setup and if anyone could shed some light as to how i remove the stock signals so i can install new LEDs it would be much appreciated
     

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  8. 1904xj

    1904xj Member

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    Im not sure I have a Maxim the signals where different stock. You might have to take off the whole chrome signal assembly by removing those two bolts. Once thats off check behind for a nut? Just guessing..
    I have the same assembly on my Maxim its just the signal and the stem that looked different. Another thing is that you absolutely need an electronic relay for LEDs.
     
  9. blackthunder

    blackthunder Member

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    did some fabricating and got the signals mounted. still won't flash. went to local bike shop and they said i needed a metric load equalizer and so i bought one for $25 and spliced it in as instructed. still no flash, just steady light when activated. i am losing my mind.
     
  10. gratscot

    gratscot Member

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    You need resistance, The original bulbs on the bike have more resistance then your leds and the blinkers need resistance to work. You need to add something to your wiring but standby for someone with more experience to tell you what you need.
     
  11. Cmccully04

    Cmccully04 Member

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    what bulbs are you running??? im sure ur not making enough draw and that the reason they come on and stay on.
     
  12. blackthunder

    blackthunder Member

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    they are LEDs
     
  13. wizard

    wizard Active Member

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    Have you got an electronic flasher relay?
     
  14. wonderdawg

    wonderdawg Member

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    You can probably solve this problem by using the electronic flasher in place of the stock electro-mechanical flasher. Your are simply going to use the 12 volt two pin flasher in the place of the OEM flasher. And as stated before the self canceling feature will not work anymore. However, you will be able to use the 1156 LED bulbs, you will just have to turn the flasher off on your own. The turn signals always staying illuminated in the just a by product of the electrical circuit of the bike. The system with the OEM flasher is acting like it thinks you have a blown bulb. Good Luck.

    Regards,

    W. D.
     
  15. Rebel51

    Rebel51 New Member

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    What self-canceling feature are you talking about? If I turn on my signal, it stays on until I manually turn it off.
     
  16. snowwy66

    snowwy66 Member

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    your self cancelling isn't working.
     
  17. blackthunder

    blackthunder Member

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    where the heck is the flasher relay? i looked all over the bike. is it behind the headlight?
     
  18. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Of course not; that would make sense.

    Disclaimer: I have 550s and a 650, no 750 for direct knowledge.

    According to the really pretty useless diagram in the Haynes "one size fits all" manual, it is probably located on the main frame tube, under the tank, in the vicinity of the coils. Looks like it might be on the left but I'm guessing.
     
  19. blackthunder

    blackthunder Member

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    yeah, behind the headlight would be ideal. found a diagram in the haynes book (they don't have one specifically for the RH model but whatever) shown as a rectangular three-prong relay. when i go to the parts counter, should i just ask them for a 12v electronic flasher relay for LEDs? according to a previous post the part i need is only two-prong but works anyways.
     
  20. plansea

    plansea Member

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    On my 750 Seca, the flasher relay is centered under the coils and is held on by a slide on clip.

    Pictures are hard because of the location, here is the best I could do:

    [​IMG]

    [​IMG]
     
  21. blackthunder

    blackthunder Member

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    just picked this up for $6.99. here's hoping it works.
     

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  22. blackthunder

    blackthunder Member

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    and we have success. the bike shop i bought the load equalizer from grudgingly refunded it. apparently electronics are non-returnable but since it was their mechanic that told me to buy the part they made an exception. so the $7 part does the trick where the $25 part couldn't. good times.

    on a side note, i am just guessing but is the third prong that is absent on the new part the self-cancelling prong?
     
  23. plansea

    plansea Member

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  24. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Take a few minutes to read the linked thread; he managed to "reverse engineer" the cancelling system. You have to read it to believe it; it's probably the most technologically advanced feature on the XJ.
     
  25. Militant_Buddhist

    Militant_Buddhist Member

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    be sure to have some zip ties handy. The little rubber holder for the relay (centered under the tank, near the coils) will almost assuredly be a crumbly mess and besides, won't fit the new relay very well. You don't want it just dangling around by the wires.

    While you're in an electrical mood, replacing your glass tube fuse box with bladed chip style is highly recommended (if it hasn't been done already)
     
  26. Ditto

    Ditto New Member

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    No Need to buy anything retards.

    Use 21w globes this way!
    (thats if the pictures work)
     

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