Im fixing to get a really nice “tip”.. dude is going to buy me a new Lowrance 520 or 527. Will either of these models fit where my X96 is now? Will I have to take it to a shop and have it wired? Also should I get one with an internal or external GPS antenna…. I know thats a bunch of ?s but I have no clue . Oh yea, its on a 2000 model P3. thanks guys
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