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Hi all,

I recently purchased a 2010 R6 with a YEC ECU and harness. I wasn't aware that the YEC ECU purposefully doesn't give you a speed reading on the dash so trying to get the speedo working I plugged the two 4-pin wires together behind the dash (as they fit together nicely). These turned out to be the communication coupler and the 4 pin data acquisition coupler and now the rev counter doesn't work. I have turned the bike off, unplugged the battery, drained the battery and it still doesn't work. What would be my next steps? I thought to check the fuse box but I cannot locate the fuse box on a wiring diagram.
 
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