As long as you are not trying to lay down the traces but just touching up the pins etc a good 15 watt iron works fine. The problem that most folks encounter is when they try to solder a joint on a board with their 40 watt gun and not a finer pencil.

You should do fine.

I too would love to see what you are doing as I have all the equipment but no experience with these boards. Of course the other side is that I could just pull one of my non-working units and have at it I guess.

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'99 S420 - Mommies
'72 280SE 4.5 - looking to breathe life into it
'84 300SD Grey - Sold
'85 300SD Silver - Sold
'78 Ski Nautique