tci wire pluggin

Cheeseman

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81 Yamaha xs400, just making sure I got the right blocks connecting to my tci box.

I'm still getting no spark though!
Help!!!!
 

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Just a suggestion- can you make a build thread? You can put all of your issues in the single thread instead of having many spread out across the forum. It will be much easier for us to help you out that way!
 
Agree with wolfe:wink2: The box you have is off a dohc bike and will not work with a sohc ignition. I would also guess that the harness is off a dohc bike. These bikes also need to have a good battery to create a spark.
 
Well shit! So basically I'm out a harness and tci box?
Back to the drawing board I guess... Thanks for the help though guys! Really appreciate that.
How do I tell if my bike is an sohc or dohc?
Serial numbers? I think mine say 4t5-000580
 
Thats not a DOHC TCI module. TID12-07 with 4 and 6 pin connectors, with 4 and 4 terminals used would be for DOHC XS400's. I'm guessing when I say that I think that TCI module is from a 4 cylinder bike.
 
4R5 is a 81 sohc xs400. Look through the pic albums in the site and you will see the difference of the two bikes.
 
My 81 also has a 4R4 harness so I think your fine with that. The ignition box your looking for should look like this. It was used in the 80-82 sohc xs400 only.
 

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Ok, I will start the hunt for that! Thanks so much! I will update you guys when I get a new tci box.

new tci box is in the mail!
 
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Yes. I got it off ebay many years ago and still have it in the box for if ever I need it. It's the only new one I had ever seen.
 
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