Quote:
Originally Posted by Bumbleboy92
I don’t know much about electrical cleaning but my brother took it and we have it soaking in 70% isopropyl alcohol. If it doesn’t clean it, or damages it I’ll try the site another user posted and get another one
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Isopropyl will loosen it up but it needs to be scrubbed which from the looks of it you won't get deep into it to fully clean it.
Source - Aircraft electrician