My Searay 180 Bowrider 3.0 Mercruiser blows the ignition circuit fuse when I put it into gear. With a new fuse, it starts right up but the fuse blows again when put into gear.

What's the problem?

I understand from the dealer that there is a switch in the ignition circuit connected to the gear linkage that momentarily interrupts the ignition circuit to allow for easier shifting, and that this switch has a very sensitive adjustment.

Any ideas?

Thanks,

Ken