50 HP Mercury won't start

CopcoMan

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May 12, 2013
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I have a 2010 Mercury 4 stroke EFI tiller. The engine won't start. I found a 20a and 15a fuse blown under the engine hood. The fuses are in a 4 fuse fuse holder.

I replaced the fuses and the 15a will blow everytime the key is turned to the "start" position. If the key is left in the "run" position nothing pops.

I inspected the wiring and it appears to be OK.

I found when I removed the "blue" wire that goes to the gear shift I could move the key to the start position without blowing the fuse (although the engine doesn't crank with the "blue" wire disconnected)

Any help would be greatly appreciated.

Mike
 
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