Yes you need it dark for fishing but you need light to tie knots and change baits. I noticed last year that this was something I need to address. too much hassle opening the door and it lets the heat out. I see that there is a new lcd a shelter light that HT makes,
http://www.cabelas.com/cabelas/en/te...233&hasJS=true
Then there are also those stick on button lights. I am going to try one of those options this year.