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- - Tach not working (https://cbrforum.com/forum/f4i-main-forum-11/tach-not-working-136728/)

Austin55cbrf4i

04-12-2012 09:13 PM

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??

regener8ed

04-12-2012 09:22 PM

Quote:

Originally Posted by Austin55cbrf4i (Post 1149346)

When I turn it on the rpm needle goes all the way up then down.

normal behavior.

Quote:

Originally Posted by Austin55cbrf4i (Post 1149346)

When I turn the bike on the rpm needle doesn't move at all??

wait, what??

Austin55cbrf4i

04-13-2012 07:48 AM

how do I fix it so that my tach shows my rpms?

highercal

04-13-2012 02:16 PM

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.

tehzack

04-13-2012 06:19 PM

I had that problem on my bike and it wound up being that the tach harness somehow unplugged itself.

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