Speedometer not working on New to me 2002 K12RS - K-Bikes.com - Excellence in Motion
 
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post #1 of 7 (permalink) Old Oct 27th, 2013, 10:05 pm Thread Starter
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Speedometer not working on New to me 2002 K12RS

I recently picked up another K12RS. Its a 2002.

The speedometer is not working. Is this a common issuse? if so, what is the most commen fix?

Brian in Austin
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post #2 of 7 (permalink) Old Oct 28th, 2013, 4:17 pm
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check the fuses

Not sure which one, but that's all I can think of with the info provided. Not a common issue at all.
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post #3 of 7 (permalink) Old Oct 28th, 2013, 8:33 pm
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Three posts with different electricals not working.I think they are related....All that stuff is grounded through the load shed relay. Ground comes through the starter and a dirty starter will give you them gremlins.

First I'll ask the usual question....DO YOU HAVE TWO GROUND WIRES ATTACHED TO THE NEGATIVE SIDE OF THE BATTERY? There HAS to be two of them.

Could be the relay itself also. Are you in a hurry? I may go inside my electrical "jack in the box" later this week, , my I-ABS warning relay is crapping out on me and I can do a few checks on the loadshed relay at the same time.

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post #4 of 7 (permalink) Old Oct 29th, 2013, 2:38 pm
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Quote:
Originally Posted by dohalloran
Not sure which one, but that's all I can think of with the info provided. Not a common issue at all.
It's a common problem on older bikes. Bike year 2002 means it might not have the separate speedo sensor on top of the drive. Report back if you can see a black 'thingy' plugged in the top.

If you have the black thingy, then lift the seat, pull apart and clean every connector bullet you find tywrapped to the right side seat rail where water runs off the seat and makes them go green!

If you don't have the black thingy on the rear drive and your ABS is working fine without any flashing warning lamps, your problem with the speedo is most likely up front in the cockpit. Newer bikes use the ABS signals to drive the speedo.



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post #5 of 7 (permalink) Old Nov 4th, 2013, 2:06 am
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The 02 is the first model to do away with the separate speedo drive and use the ABS ring instead.
I have lots of experience with dirty starter gremlins. The load shed relay earths through the starter and if the armature gets too dirty all sorts of problems occur.
In my case there were the following:
Head light flickering immediately after start up when the load shed relay had done its job
Indicators not working, or self canceling after 2 or 3 flashes when riding
Head light flickering around 3,750 revs
Speedo needle moving by itself while stationary at start up.
Failure to start. This was sorted in the short term by tapping the starter with a screw driver.
Eventual failure to run.

I had the fault diagnosed by a general auto electrician and it took him about 30 minutes to give me the bad news - the starter. By the book, removing the starter is a huge job requiring the complete dismantling of the drive, and raising the frame to remove the starter. Both H96669 and I (I was first mate) have come up with similar ways to remove the starter with out all the fuss.
If you have any of the above symptoms I would spend a little cash and get the electrics checked professionally. I spent countless frustrating hours searching for the fault only to have the shop find it literally in minutes.

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post #6 of 7 (permalink) Old Nov 4th, 2013, 6:58 am Thread Starter
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It was the ABS/speedo sensor; replaced it,........speedo,cruises e ABS all work now
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post #7 of 7 (permalink) Old Feb 25th, 2014, 1:30 pm
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Quote:
Originally Posted by wildwestrider
It was the ABS/speedo sensor; replaced it,........speedo,cruises e ABS all work now
Yup! I had a crack in my rear sensor and it gave me fits especially when it was wet out. Replaced it and all was good. Had to replace my ABS unit a little later to so keep an eye on that also.

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