How much would this cost to fix, shellback? I can tell you for certain, that even if it's a guess with Lowrance, I've not seen it guess wrong yet. So yes, it's possible, no it won't cost and extra 1K per unit, and yes it can be done. If you and Kosmo are so against this, then please don't read it. There's nothing forcing your mouse to click on this thread. This thread is not affecting your quality of life, or stopping you from enjoying your day. Simply don't click the link.