In dash ff 2000 21ss

[jingjoseph]

Anyone have a 2000 21ss with the lowrance ff in the dash?
I bought a humm 587 hoping it will fit in that space. Bought
the in dash mount for it to. I got stupied on ebay bought this.
Long story but im in china be 2-3 weeks before get back home.
Anybody with a similar year stratos replaced it? Need help bad
with this shes gonna kick my butt we get back to the states
and it dont work. Hep me