Originally Posted by sandcruiser
one note of importance: lower-priced (maybe higher priced as well) ratcheting crimpers are almost always designed for insulated crimps/terminals. They won't get tight enough on a bare terminal/crimp
and if you plan to use your own heat shrink (or adhesive lined shrink) then you probably want bare terminals
I discovered this after doing a really good job on re-wiring an area behind the dash of my truck. Many (many!) of the crimps failed, and with some investigation it is clear that it is because the crimper assumes a thin layer of plastic (the insulation) on insulated crimps. Without that extra layer, they don't get tight enough.
So while a ratcheting tool is the "better" option, it is not foolproof nor perfect. Just my 2 cents.
They are also meant to be used with high quality crimp terminals like those made by AMP, FTZ or Ancor to name a few. The stuff you buy at Wal*Mart, or many auto-parts stores, does not always have a thick enough copper wall and no strain relief sleeve thus it won't crimp down tight enough because the material on cheap crimp connectors is thinner..
-Maine Sail / CS-36T
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Last edited by Maine Sail; 03-04-2010 at 07:47 PM.