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Tach not working

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Old Apr 12, 2012 | 09:13 PM
  #1  
Austin55cbrf4i's Avatar
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Default Tach not working

When I turn it on the rpm needle goes all the way up then down. When I turn the bike on the rpm needle doesn't move at all??
 
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Old Apr 12, 2012 | 09:22 PM
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From: Souf Cackilack
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Originally Posted by Austin55cbrf4i
When I turn it on the rpm needle goes all the way up then down.
normal behavior.

Originally Posted by Austin55cbrf4i
When I turn the bike on the rpm needle doesn't move at all??
wait, what??
 
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Old Apr 13, 2012 | 07:48 AM
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how do I fix it so that my tach shows my rpms?
 
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Old Apr 13, 2012 | 02:16 PM
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I have the same exact problem. I narrowed the problem down tho, I noticed my wire harness was spliced so i swapped it out. Apparently, the sliced wire harness shorted out the signal in the ECU so now I need a new ECU.
 
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Old Apr 13, 2012 | 06:19 PM
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I had that problem on my bike and it wound up being that the tach harness somehow unplugged itself.
 
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