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Whoops...bought a Maxim instrument cluster for a SECA...

Discussion in 'XJ Technical Chat' started by Haapala, Jul 17, 2015.

  1. Haapala

    Haapala Member

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    Annnddd now I know that Seca's have electronic tachs, while Maxims must not. Can I rectify my mistake, or did I just waste $100? My Seca is an '82, 750, and the cluster is from an '82 550 Maxim.
     
    Haapala, Jul 17, 2015
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    You bought the wrong thing entirely.
    Not all XJs are the same. You can use the gauge cluster from an '82 Maxim 750 or any year Seca 750 without needing to do any wiring work.
    Put the 550 cluster back up for sale. You can't do a thing to make that tach work on your bike.

    Start a conversation with member Haapala. He is doing an ATARI delete on his Seca 750 and might be willing to sell you his instruments, though I don't now what condition they are in.
     
    Last edited: Jul 17, 2015
    k-moe, Jul 17, 2015
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  3. cutlass79500

    cutlass79500 Well-Known Member

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    If he does not have 1 i just pulled one of an 82 seca parts bike would have to make sure the speedo works is all if it does will sell it cheap. My other 2 secas have gauges that work so i do not need an extra
     
    cutlass79500, Jul 17, 2015
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    rocs82650 likes this.
  4. Haapala

    Haapala Member

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    Damn, okay. I've seen 750 SECAs with Virago clusters, do you have any idea if those are compatible? I know that those have electronic tachs, but I don't have a clue about the wiring.
     
    Haapala, Jul 18, 2015
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  5. Haapala

    Haapala Member

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    Thanks, cutless, but I'm removing the whole computer, so another SECA cluster will have a lot of stuff that I won't want/have anything to wire to.
     
    Haapala, Jul 18, 2015
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  6. cutlass79500

    cutlass79500 Well-Known Member

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    not sure if you can go with an 83 maxim 750 cluster here is what mine looks like 2.jpg
     
    cutlass79500, Jul 18, 2015
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  7. Haapala

    Haapala Member

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    That looks killer. That's the one you're using now, or the one you'd be willing to sell?
     
    Haapala, Jul 18, 2015
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  8. cutlass79500

    cutlass79500 Well-Known Member

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    These are original even the miles this bike is perfect just wanted to give you an idea. I am sure someone will say if they will fit the atari set up. If they will tou will have to get them off a 750 so the electronic tach will work
     
    cutlass79500, Jul 18, 2015
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  9. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    The '83 Maxim cluster will fit, and the early Virago 920 electronic cluster will fit, but you will need to modify the wiring for anything other than the stock gauges (or the '82 Maxim gauges) to work.

    http://www.xjbikes.com/forums/posts/182816/

    Why ya'll got to get rid of the coolest feature of the machine? SMH
     
    k-moe, Jul 18, 2015
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  10. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    His response was not directed toward you.
     
    k-moe, Jul 18, 2015
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  11. Haapala

    Haapala Member

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    Okay, thanks. I'm guessing that (without the computer) you can jerry-rig almost any Yamaha cluster to work, as long as the speedo and tach inputs are compatible? I'm getting rid of it because it is mostly non-functioning, and I care a lot more about having a working bike than keeping everything stock/spending the money to repair or replace it.

    Also, I think he was replying to me...I'm the OP of this thread as well as the "ATARI delete" one.
     
    Haapala, Jul 18, 2015
    #11
  12. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Oh . I guess I need to read better. lol
    Let this be another example of why making mutiple threads for the same issue is frowned upon. Makes me look bad :p
     
    k-moe, Jul 18, 2015
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  13. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Unless the computer itself is faulty the fix for most of the systems being monitored is usually down to broken connections (simple wiring and contact cleaning fixes). The gauges you just bought cost more than double the typical cost of fixing those sorts of problems.

    As long as the speedometer and tach inputs match you can use any gauges you want, but you have to do the wiring work to bypass the systems monitor.

    What faults is the systems monitor giving you? maybe we can work through those and really save you some money.
     
    k-moe, Jul 18, 2015
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  14. Haapala

    Haapala Member

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    Well, for starters, the speedo and tach are both broken (speedo lagged behind my actual speed at first, then the needle literally fell off as I was riding a week ago. Tach is iffy up to 4500 rpm, from there it won't move up at all). The fuel gauge is wildly inaccurate (caused two instances of stranded Haapala before I wised up), the side stand sensor goes off sometimes when the stand is up (which has killed the engine several times while I was riding...scary as hell on a windy highway), the oil sensor doesn't seem to work, and I think that's it. I'm sure I could eventually figure out most of it, if I had a lot of time and a LOT of guidence, but I have a month to get the bike ready for college, and college means no time to work on it, little money, and buying new toolsets. The speedo/tach breaking really pushed me over the edge and got me looking at other options.
     
    Haapala, Jul 18, 2015
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  15. Haapala

    Haapala Member

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    One other thing I was wondering, do you know how different wattages in bulbs will effect the wiring? If I get a new cluster, I'm sure that the idiot light bulbs will be different, does that mean I'll have to do some weird stuff to match the wattage/power inputs from the original cluster?
     
    Haapala, Jul 19, 2015
    #15
  16. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    The sidestand switch needs to be cleaned. It is part of the safety circuit and when it sticks open like that power is cut to the ignition.

    The oil sensor might just not be hooked up, or needs pulled and cleaned.

    All fuel gauges are wildily inaccurate, and being stranded sounds like you may not have a working reserve. Reserve should get you an additional 20 miles of riding time, but if the screen on the petcock has come off you won't ever notice that the tank is low.

    Your speedo and tach do sound troublesome, and given your time constraints I do thing it would be best to do the atari delete.
     
    k-moe, Jul 19, 2015
    #16

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