dan jones, the difference between the iFixit "Answers" and other forums is, here you ask individual questions and get answers to '''your''' question. Welcome to iFixit.
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The first thing I would start off with, is a proper cleaning. [http://www.ifixit.com/Wiki/Electronics_Water_Damage|Use this] as a general guide. Make sure you clean it well so as to prevent corrosion issues after. Then replace the battery. It sounds like this is where your problem starts. iDevice Batteries do not like liquids of any kind :-) That may also help your wifi. Right now it is possibly showing greyed out because of a shortened IC. Clean the dock connector thoroughly and make sure there is no debris, bend or broken pins. After that, reevaluate and see what you get. At this time I do not think there is any need to replace the logic board. Hope this helps to get you started.
dan jones, the difference between the iFixit "Answers" and other forums is, here you ask individual questions and get answers to '''your''' question. Welcome to iFixit.
The first thing I would start off with, is a proper cleaning. [http://www.ifixit.com/Wiki/Electronics_Water_Damage|Use this] as a general guide. Make sure you clean it well so as to prevent corrosion issues after. Then replace the battery. It sounds like this is where your problem starts. iDevice Batteries do not like liquids of any kind :-) That may also help your wifi. Right now it is possibly showing greyed out because of a shortened IC. Clean the dock connector thoroughly and make sure there is no debris, bend or broken pins. After that, reevaluate and see what you get. At this time I do not think there is any need to replace the logic board. Hope this helps to get you started.