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Steber's Cantankerous Wiring Conundrum

Discussion in 'XJ Modifications' started by steber, Jul 10, 2017.

  1. XJ550H

    XJ550H Well-Known Member Premium Member

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    check your new relay for hot and load markings load would be to the control

    brown wire is the hot wire
     
    steber likes this.
  2. Chitwood

    Chitwood Well-Known Member

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    I sort of lucked out that when I plugged the electronic flasher into the stock plug it really only goes in 2 ways. One works, the other didn't. Actually I did pay attention to the wire colors and installed accordingly I just don't remember what they are off the top of my head
     
  3. steber

    steber Active Member

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    Both these grounds get hooked up to the coil bracket bolt, one to each bolt, correct? They were up towards the top of the main harness. Pretty sure I can mount them anywhere to the frame, just for some reason (up top) I only remember one?

    I know theirs some they mount to the case/battery but Im confident thats not these.
    IMG_20170726_192211.jpg
     
  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    I only have one on my coil have always thought it was from the voltage regulator, but yes any good bolt source to frame shuch as the coil mounts will do.
    now I have to go look to see if I have 2 on my 550s.
    going to work now .
     
  5. steber

    steber Active Member

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    I'll trace them back further later on and see where they all tie into. their are two ground junction areas in the harness, not sure if one leads to each.

    Now I'm working on the main ground off the battery, i seem to remember it ran to the engine on engine case bolt 28/29 (i think) at any rate, theirs a smaller gauge ground that breaks off on this as well looks like it attached to a bolt somewhere, since the thicker goes to the engine case, should i just find a spot on the frame to attach it, eliminate it, or what? Its hard to visualize the part of the frame i chopped off, and i knew i'd face a few of these 'that part of the frame isn't there any more', so I didnt bother to take too many picture of this.. hindsight i should have atleast took more than i did.
     
  6. jayrodoh

    jayrodoh YimYam Premium Member

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    Doesn't have to be exactly like factory as long as it's wired correctly. The heavy wire from the battery should go to the engine, the starter is the highest amp draw from the battery. From there you do need a cable from the engine to the frame. You can run a heavier wire (12ga) up to the same point that you hook those ground wires too, just make sure the frame connection is clean.
     
  7. Rooster53

    Rooster53 Well-Known Member Premium Member

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    The larger wires that attach to the eyelet terminals can be thought of as the backbone that provides the ground or return for all the circuits. Those larger wires will have taped areas within the main harness bundle where other grounds are crimped to the backbone and covered with tape. Every circuit ( headlight, tail light, brake light, horn, TCI, flashers, indicator bulbs, regulator, relays, switches, etc) will tie to the backbone in order to find a return to the frame, which is tied to battery negative through both the engine and the alternate single ground from engine to frame on some bikes. If you shorten or lengthen any of the ground wires be sure to pay attention as to what gauge wire was originally used to provide a return for that particular circuit. For example, the regulator typically has a direct path of 14ga wire to chassis ground.
     
  8. steber

    steber Active Member

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    Are the engine mounts a good enough source of a connection of the ground? Granted the two eyelets mount to the frame (I'll place one on each coil bolt), so I guess the third eyelet on the bottom should mount to frame too, the smaller 14 gauge that is. I have been very cautious of the wire guage. Going to have to shorten the larger thick gauge on the starter solenoid to starter and also lengthen the other side of the solenoid to the battery for positive. I think the ground circuit was long enough to make the reaches. I don't have any size terminals to crimp so I'll have to make a run for those. I have an old amp power cable I might use as the new line for the battery to starter solenoid.. it's too short and not fond of it being black, and my new wire is red. I'd have to maybe strand count, but it looks heavy duty enough.
     
  9. XJ550H

    XJ550H Well-Known Member Premium Member

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    the small wire goes to a bolt that holds battery box in place bottom front of box.
    iirc it is 6 ga wire you can check in chacals catalog he has a wiring section that gives all that info in the electrical section
     
  10. XJ550H

    XJ550H Well-Known Member Premium Member

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    no
     
  11. steber

    steber Active Member

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    Also not there, but what I take from this is small one is frame mounted as suspected. So the closest frame bolt I can fit will work.

    That's for humoring my questions, most answers I just like the reinsurance. Some are curiosity, like the frame and engine being ground by engine bolts. Obviously theirs rubber engine mounts so if I thought about it harder that would have made sense sooner.
     
  12. XJ550H

    XJ550H Well-Known Member Premium Member

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    is the battery box bolt location gone?
    the lower mounting bolt may ground the motor but rust and grime ,corrision may not make a good ground to frame
     
  13. steber

    steber Active Member

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    This is what's left in this area. Thinking where I have it zip tied will work, obviously with a clean metal to metal connection.

    IMG_20170728_131623.jpg IMG_20170728_131604.jpg
     
  14. XJ550H

    XJ550H Well-Known Member Premium Member

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    Wintersdark likes this.
  15. XJ550H

    XJ550H Well-Known Member Premium Member

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    that is the ground location for the battery box
     
  16. steber

    steber Active Member

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    Perfect. I know I relocated this bracket lower when I chopped. Glad it worked out to be proper. I'm welding my ignition switch bracket on the tank hopefully today and then I can finally put some fuel to to old girl and see how cantankerous she really is.
     
  17. steber

    steber Active Member

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    Well, knock on wood, all wiring is in order. Bike starts! A few issues to tune out. *cough* but wiring seems correct as it purred nicely.
     
  18. Chitwood

    Chitwood Well-Known Member

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    Pics/video or it didn't happen....haha
     
  19. steber

    steber Active Member

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    Nothing fancy, just making sure it started to be honest, didn't even throw the pods on. Just wanted to test to make sure the bike started.

    But ask and you shall receive

    https://goo.gl/photos/AE32iudFeZdHvvxQ7
     
  20. Chitwood

    Chitwood Well-Known Member

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    Very cool! Has to be a good feeling after all the work you have put in. There's light at the end of the tunnel
     

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