Harley#356

I know its another pretty easy/dumb question but i was just wondering if anybody had any tips for this.

I've heard both take the computer apart to clean the terminals, and leave it together.
which way do i do it?
also, what's the best way to clean the coating off? Thanks

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M.HYDE: 2000 HD F-150 #0356 of 8197, Built 05/18/00, Bought 07/03/00, 700/784, 10.32@131.45
*Worlds Fastest Street HD: 10.32@131.45 10/29/10****Worlds Fastest Eaton Powered HD: 12.19@112.48 11/17/07*
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