Fish Finder for my pontoon?

[catfish77]

I have an older model Bucks Bags 8ft pontoon boat and keep contemplating adding a fish finder to it. My toon doesn't have the steel plate behind the seat or any type or motor mount. Just wondering what brand/models of fish finders would work on my toon. I'd like something mid-grade I can permanently mount. Where is the best place to attach a unit, the transducer, and the battery. I know this is complicated but I'd appreciate some advice.

Thanks,

Justin
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